Merge "Fix InternalServlet Vulenrabilities"

diff --git a/datarouter-prov/src/main/java/org/onap/dmaap/datarouter/provisioning/DRFeedsServlet.java b/datarouter-prov/src/main/java/org/onap/dmaap/datarouter/provisioning/DRFeedsServlet.java
index 47156d2..d7da4dc 100644 (file)
--- a/datarouter-prov/src/main/java/org/onap/dmaap/datarouter/provisioning/DRFeedsServlet.java
+++ b/datarouter-prov/src/main/java/org/onap/dmaap/datarouter/provisioning/DRFeedsServlet.java
@@ -41,6 +41,8 @@ import org.onap.dmaap.datarouter.provisioning.utils.JSONUtilities;
 import com.att.eelf.configuration.EELFLogger;
 import com.att.eelf.configuration.EELFManager;
 
+import static org.onap.dmaap.datarouter.provisioning.utils.HttpServletUtils.sendResponseError;
+
 /**
  * This servlet handles provisioning for the <drFeedsURL> which is the URL on the provisioning server used to
  * create new feeds.  It supports POST to create new feeds, and GET to support the Feeds Collection Query function.
@@ -59,7 +61,7 @@ public class DRFeedsServlet extends ProxyServlet {
      * DELETE on the <drFeedsURL> -- not supported.
      */
     @Override
-    public void doDelete(HttpServletRequest req, HttpServletResponse resp) throws IOException {
+    public void doDelete(HttpServletRequest req, HttpServletResponse resp) {
         setIpAndFqdnForEelf("doDelete");
         eelflogger.info(EelfMsgs.MESSAGE_WITH_BEHALF_AND_FEEDID, req.getHeader(BEHALF_HEADER), getIdFromPath(req) + "");
         String message = "DELETE not allowed for the drFeedsURL.";
@@ -67,7 +69,7 @@ public class DRFeedsServlet extends ProxyServlet {
         elr.setMessage(message);
         elr.setResult(HttpServletResponse.SC_METHOD_NOT_ALLOWED);
         eventlogger.info(elr);
-        resp.sendError(HttpServletResponse.SC_METHOD_NOT_ALLOWED, message);
+        sendResponseError(resp, HttpServletResponse.SC_METHOD_NOT_ALLOWED, message, eventlogger);
     }
 
     /**
@@ -75,7 +77,7 @@ public class DRFeedsServlet extends ProxyServlet {
      * Queries</i> section in the <b>Provisioning API</b> document for details on how this method should be invoked.
      */
     @Override
-    public void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException {
+    public void doGet(HttpServletRequest req, HttpServletResponse resp) {
         setIpAndFqdnForEelf("doGet");
         eelflogger.info(EelfMsgs.MESSAGE_WITH_BEHALF_AND_FEEDID, req.getHeader(BEHALF_HEADER), getIdFromPath(req) + "");
         EventLogRecord elr = new EventLogRecord(req);
@@ -84,11 +86,15 @@ public class DRFeedsServlet extends ProxyServlet {
             elr.setMessage(message);
             elr.setResult(HttpServletResponse.SC_FORBIDDEN);
             eventlogger.info(elr);
-            resp.sendError(HttpServletResponse.SC_FORBIDDEN, message);
+            sendResponseError(resp, HttpServletResponse.SC_FORBIDDEN, message, eventlogger);
             return;
         }
         if (isProxyServer()) {
-            super.doGet(req, resp);
+            try {
+                super.doGet(req, resp);
+            } catch (IOException ioe) {
+                eventlogger.error("IOException" + ioe.getMessage());
+            }
             return;
         }
         String bhdr = req.getHeader(BEHALF_HEADER);
@@ -97,7 +103,7 @@ public class DRFeedsServlet extends ProxyServlet {
             elr.setMessage(message);
             elr.setResult(HttpServletResponse.SC_BAD_REQUEST);
             eventlogger.info(elr);
-            resp.sendError(HttpServletResponse.SC_BAD_REQUEST, message);
+            sendResponseError(resp, HttpServletResponse.SC_BAD_REQUEST, message, eventlogger);
             return;
         }
         String path = req
@@ -107,7 +113,7 @@ public class DRFeedsServlet extends ProxyServlet {
             elr.setMessage(message);
             elr.setResult(HttpServletResponse.SC_NOT_FOUND);
             eventlogger.info(elr);
-            resp.sendError(HttpServletResponse.SC_NOT_FOUND, message);
+            sendResponseError(resp, HttpServletResponse.SC_NOT_FOUND, message, eventlogger);
             return;
         }
         // Check with the Authorizer
@@ -117,7 +123,7 @@ public class DRFeedsServlet extends ProxyServlet {
             elr.setMessage(message);
             elr.setResult(HttpServletResponse.SC_FORBIDDEN);
             eventlogger.info(elr);
-            resp.sendError(HttpServletResponse.SC_FORBIDDEN, message);
+            sendResponseError(resp, HttpServletResponse.SC_FORBIDDEN, message, eventlogger);
             return;
         }
 
@@ -133,14 +139,18 @@ public class DRFeedsServlet extends ProxyServlet {
                 elr.setMessage(message);
                 elr.setResult(HttpServletResponse.SC_BAD_REQUEST);
                 eventlogger.info(elr);
-                resp.sendError(HttpServletResponse.SC_BAD_REQUEST, message);
+                sendResponseError(resp, HttpServletResponse.SC_BAD_REQUEST, message, eventlogger);
             } else {
                 // send response
                 elr.setResult(HttpServletResponse.SC_OK);
                 eventlogger.info(elr);
                 resp.setStatus(HttpServletResponse.SC_OK);
                 resp.setContentType(FEEDFULL_CONTENT_TYPE);
-                resp.getOutputStream().print(feed.asJSONObject(true).toString());
+                try {
+                    resp.getOutputStream().print(feed.asJSONObject(true).toString());
+                } catch (IOException ioe) {
+                    eventlogger.error("IOException" + ioe.getMessage());
+                }
             }
         } else {
             // Display a list of URLs
@@ -160,7 +170,11 @@ public class DRFeedsServlet extends ProxyServlet {
             eventlogger.info(elr);
             resp.setStatus(HttpServletResponse.SC_OK);
             resp.setContentType(FEEDLIST_CONTENT_TYPE);
-            resp.getOutputStream().print(t);
+            try {
+                resp.getOutputStream().print(t);
+            } catch (IOException ioe) {
+                eventlogger.error("IOException" + ioe.getMessage());
+            }
         }
     }
 
@@ -168,7 +182,7 @@ public class DRFeedsServlet extends ProxyServlet {
      * PUT on the &lt;drFeedsURL&gt; -- not supported.
      */
     @Override
-    public void doPut(HttpServletRequest req, HttpServletResponse resp) throws IOException {
+    public void doPut(HttpServletRequest req, HttpServletResponse resp) {
         setIpAndFqdnForEelf("doPut");
         eelflogger.info(EelfMsgs.MESSAGE_WITH_BEHALF_AND_FEEDID, req.getHeader(BEHALF_HEADER), getIdFromPath(req) + "");
         String message = "PUT not allowed for the drFeedsURL.";
@@ -176,7 +190,7 @@ public class DRFeedsServlet extends ProxyServlet {
         elr.setMessage(message);
         elr.setResult(HttpServletResponse.SC_METHOD_NOT_ALLOWED);
         eventlogger.info(elr);
-        resp.sendError(HttpServletResponse.SC_METHOD_NOT_ALLOWED, message);
+        sendResponseError(resp, HttpServletResponse.SC_METHOD_NOT_ALLOWED, message, eventlogger);
     }
 
     /**
@@ -184,7 +198,7 @@ public class DRFeedsServlet extends ProxyServlet {
      * <b>Provisioning API</b> document for details on how this method should be invoked.
      */
     @Override
-    public void doPost(HttpServletRequest req, HttpServletResponse resp) throws IOException {
+    public void doPost(HttpServletRequest req, HttpServletResponse resp) {
         setIpAndFqdnForEelf("doPost");
         eelflogger.info(EelfMsgs.MESSAGE_WITH_BEHALF, req.getHeader(BEHALF_HEADER));
         EventLogRecord elr = new EventLogRecord(req);
@@ -193,11 +207,15 @@ public class DRFeedsServlet extends ProxyServlet {
             elr.setMessage(message);
             elr.setResult(HttpServletResponse.SC_FORBIDDEN);
             eventlogger.info(elr);
-            resp.sendError(HttpServletResponse.SC_FORBIDDEN, message);
+            sendResponseError(resp, HttpServletResponse.SC_FORBIDDEN, message, eventlogger);
             return;
         }
         if (isProxyServer()) {
-            super.doPost(req, resp);
+            try {
+                super.doPost(req, resp);
+            } catch (IOException ioe) {
+                eventlogger.error("IOException" + ioe.getMessage());
+            }
             return;
         }
         String bhdr = req.getHeader(BEHALF_HEADER);
@@ -206,7 +224,7 @@ public class DRFeedsServlet extends ProxyServlet {
             elr.setMessage(message);
             elr.setResult(HttpServletResponse.SC_BAD_REQUEST);
             eventlogger.info(elr);
-            resp.sendError(HttpServletResponse.SC_BAD_REQUEST, message);
+            sendResponseError(resp, HttpServletResponse.SC_BAD_REQUEST, message, eventlogger);
             return;
         }
         String path = req
@@ -216,7 +234,7 @@ public class DRFeedsServlet extends ProxyServlet {
             elr.setMessage(message);
             elr.setResult(HttpServletResponse.SC_NOT_FOUND);
             eventlogger.info(elr);
-            resp.sendError(HttpServletResponse.SC_NOT_FOUND, message);
+            sendResponseError(resp, HttpServletResponse.SC_NOT_FOUND, message, eventlogger);
             return;
         }
         // check content type is FEED_CONTENT_TYPE, version 1.0
@@ -227,7 +245,7 @@ public class DRFeedsServlet extends ProxyServlet {
             elr.setMessage(message);
             elr.setResult(HttpServletResponse.SC_UNSUPPORTED_MEDIA_TYPE);
             eventlogger.info(elr);
-            resp.sendError(HttpServletResponse.SC_UNSUPPORTED_MEDIA_TYPE, message);
+            sendResponseError(resp, HttpServletResponse.SC_UNSUPPORTED_MEDIA_TYPE, message, eventlogger);
             return;
         }
         // Check with the Authorizer
@@ -237,7 +255,7 @@ public class DRFeedsServlet extends ProxyServlet {
             elr.setMessage(message);
             elr.setResult(HttpServletResponse.SC_FORBIDDEN);
             eventlogger.info(elr);
-            resp.sendError(HttpServletResponse.SC_FORBIDDEN, message);
+            sendResponseError(resp, HttpServletResponse.SC_FORBIDDEN, message, eventlogger);
             return;
         }
         JSONObject jo = getJSONfromInput(req);
@@ -246,7 +264,7 @@ public class DRFeedsServlet extends ProxyServlet {
             elr.setMessage(message);
             elr.setResult(HttpServletResponse.SC_BAD_REQUEST);
             eventlogger.info(elr);
-            resp.sendError(HttpServletResponse.SC_BAD_REQUEST, message);
+            sendResponseError(resp, HttpServletResponse.SC_BAD_REQUEST, message, eventlogger);
             return;
         }
         if (intlogger.isDebugEnabled()) {
@@ -258,7 +276,7 @@ public class DRFeedsServlet extends ProxyServlet {
             elr.setMessage(message);
             elr.setResult(HttpServletResponse.SC_CONFLICT);
             eventlogger.info(elr);
-            resp.sendError(HttpServletResponse.SC_CONFLICT, message);
+            sendResponseError(resp, HttpServletResponse.SC_CONFLICT, message, eventlogger);
             return;
         }
         Feed feed = null;
@@ -269,7 +287,7 @@ public class DRFeedsServlet extends ProxyServlet {
             elr.setMessage(message);
             elr.setResult(HttpServletResponse.SC_BAD_REQUEST);
             eventlogger.info(elr);
-            resp.sendError(HttpServletResponse.SC_BAD_REQUEST, message);
+            sendResponseError(resp, HttpServletResponse.SC_BAD_REQUEST, message, eventlogger);
             return;
         }
         feed.setPublisher(bhdr);    // set from X-ATT-DR-ON-BEHALF-OF header
@@ -281,7 +299,7 @@ public class DRFeedsServlet extends ProxyServlet {
             elr.setMessage(message);
             elr.setResult(HttpServletResponse.SC_BAD_REQUEST);
             eventlogger.info(elr);
-            resp.sendError(HttpServletResponse.SC_BAD_REQUEST, message);
+            sendResponseError(resp, HttpServletResponse.SC_BAD_REQUEST, message, eventlogger);
             return;
         }
 
@@ -293,13 +311,17 @@ public class DRFeedsServlet extends ProxyServlet {
             resp.setStatus(HttpServletResponse.SC_CREATED);
             resp.setContentType(FEEDFULL_CONTENT_TYPE);
             resp.setHeader("Location", feed.getLinks().getSelf());
-            resp.getOutputStream().print(feed.asLimitedJSONObject().toString());
+            try {
+                resp.getOutputStream().print(feed.asLimitedJSONObject().toString());
+            } catch (IOException ioe) {
+                eventlogger.error("IOException" + ioe.getMessage());
+            }
             provisioningDataChanged();
         } else {
             // Something went wrong with the INSERT
             elr.setResult(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
             eventlogger.info(elr);
-            resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, DB_PROBLEM_MSG);
+            sendResponseError(resp, HttpServletResponse.SC_INTERNAL_SERVER_ERROR, DB_PROBLEM_MSG, eventlogger);
         }
     }
 }

diff --git a/datarouter-prov/src/main/java/org/onap/dmaap/datarouter/provisioning/FeedServlet.java b/datarouter-prov/src/main/java/org/onap/dmaap/datarouter/provisioning/FeedServlet.java
index 3f8929e..d2452e7 100644 (file)
--- a/datarouter-prov/src/main/java/org/onap/dmaap/datarouter/provisioning/FeedServlet.java
+++ b/datarouter-prov/src/main/java/org/onap/dmaap/datarouter/provisioning/FeedServlet.java
@@ -30,6 +30,7 @@ import java.io.InvalidObjectException;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 
+import org.json.JSONException;
 import org.json.JSONObject;
 import org.onap.dmaap.datarouter.authz.AuthorizationResponse;
 import org.onap.dmaap.datarouter.provisioning.beans.EventLogRecord;
@@ -39,6 +40,8 @@ import org.onap.dmaap.datarouter.provisioning.eelf.EelfMsgs;
 import com.att.eelf.configuration.EELFLogger;
 import com.att.eelf.configuration.EELFManager;
 
+import static org.onap.dmaap.datarouter.provisioning.utils.HttpServletUtils.sendResponseError;
+
 /**
  * This servlet handles provisioning for the <feedURL> which is generated by the provisioning
  * server to handle a particular feed. It supports DELETE to mark the feed as deleted,
@@ -59,7 +62,7 @@ public class FeedServlet extends ProxyServlet {
      * document for details on how this method should be invoked.
      */
     @Override
-    public void doDelete(HttpServletRequest req, HttpServletResponse resp) throws IOException {
+    public void doDelete(HttpServletRequest req, HttpServletResponse resp) {
         setIpAndFqdnForEelf("doDelete");
         eelflogger.info(EelfMsgs.MESSAGE_WITH_BEHALF_AND_FEEDID, req.getHeader(BEHALF_HEADER),getIdFromPath(req)+"");
         EventLogRecord elr = new EventLogRecord(req);
@@ -68,11 +71,15 @@ public class FeedServlet extends ProxyServlet {
             elr.setMessage(message);
             elr.setResult(HttpServletResponse.SC_FORBIDDEN);
             eventlogger.info(elr);
-            resp.sendError(HttpServletResponse.SC_FORBIDDEN, message);
+            sendResponseError(resp, HttpServletResponse.SC_FORBIDDEN, message, eventlogger);
             return;
         }
         if (isProxyServer()) {
-            super.doDelete(req, resp);
+            try {
+                super.doDelete(req, resp);
+            } catch (IOException ioe) {
+                eventlogger.error("IOException" + ioe.getMessage());
+            }
             return;
         }
         String bhdr = req.getHeader(BEHALF_HEADER);
@@ -81,7 +88,7 @@ public class FeedServlet extends ProxyServlet {
             elr.setMessage(message);
             elr.setResult(HttpServletResponse.SC_BAD_REQUEST);
             eventlogger.info(elr);
-            resp.sendError(HttpServletResponse.SC_BAD_REQUEST, message);
+            sendResponseError(resp, HttpServletResponse.SC_BAD_REQUEST, message, eventlogger);
             return;
         }
         int feedid = getIdFromPath(req);
@@ -90,7 +97,7 @@ public class FeedServlet extends ProxyServlet {
             elr.setMessage(message);
             elr.setResult(HttpServletResponse.SC_BAD_REQUEST);
             eventlogger.info(elr);
-            resp.sendError(HttpServletResponse.SC_BAD_REQUEST, message);
+            sendResponseError(resp, HttpServletResponse.SC_BAD_REQUEST, message, eventlogger);
             return;
         }
         Feed feed = Feed.getFeedById(feedid);
@@ -99,7 +106,7 @@ public class FeedServlet extends ProxyServlet {
             elr.setMessage(message);
             elr.setResult(HttpServletResponse.SC_NOT_FOUND);
             eventlogger.info(elr);
-            resp.sendError(HttpServletResponse.SC_NOT_FOUND, message);
+            sendResponseError(resp, HttpServletResponse.SC_NOT_FOUND, message, eventlogger);
             return;
         }
         // Check with the Authorizer
@@ -109,7 +116,7 @@ public class FeedServlet extends ProxyServlet {
             elr.setMessage(message);
             elr.setResult(HttpServletResponse.SC_FORBIDDEN);
             eventlogger.info(elr);
-            resp.sendError(HttpServletResponse.SC_FORBIDDEN, message);
+            sendResponseError(resp, HttpServletResponse.SC_FORBIDDEN, message, eventlogger);
             return;
         }
 
@@ -126,7 +133,7 @@ public class FeedServlet extends ProxyServlet {
             // Something went wrong with the UPDATE
             elr.setResult(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
             eventlogger.info(elr);
-            resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, DB_PROBLEM_MSG);
+            sendResponseError(resp, HttpServletResponse.SC_INTERNAL_SERVER_ERROR, DB_PROBLEM_MSG, eventlogger);
         }
     }
     /**
@@ -135,7 +142,7 @@ public class FeedServlet extends ProxyServlet {
      * document for details on how this method should be invoked.
      */
     @Override
-    public void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException {
+    public void doGet(HttpServletRequest req, HttpServletResponse resp) {
         setIpAndFqdnForEelf("doGet");
         eelflogger.info(EelfMsgs.MESSAGE_WITH_BEHALF_AND_FEEDID, req.getHeader(BEHALF_HEADER),getIdFromPath(req)+"");
         EventLogRecord elr = new EventLogRecord(req);
@@ -144,11 +151,15 @@ public class FeedServlet extends ProxyServlet {
             elr.setMessage(message);
             elr.setResult(HttpServletResponse.SC_FORBIDDEN);
             eventlogger.info(elr);
-            resp.sendError(HttpServletResponse.SC_FORBIDDEN, message);
+            sendResponseError(resp, HttpServletResponse.SC_FORBIDDEN, message, eventlogger);
             return;
         }
         if (isProxyServer()) {
-            super.doGet(req, resp);
+            try {
+                super.doGet(req, resp);
+            } catch (IOException ioe) {
+                eventlogger.error("IOException" + ioe.getMessage());
+            }
             return;
         }
         String bhdr = req.getHeader(BEHALF_HEADER);
@@ -157,7 +168,7 @@ public class FeedServlet extends ProxyServlet {
             elr.setMessage(message);
             elr.setResult(HttpServletResponse.SC_BAD_REQUEST);
             eventlogger.info(elr);
-            resp.sendError(HttpServletResponse.SC_BAD_REQUEST, message);
+            sendResponseError(resp, HttpServletResponse.SC_BAD_REQUEST, message, eventlogger);
             return;
         }
         int feedid = getIdFromPath(req);
@@ -166,7 +177,7 @@ public class FeedServlet extends ProxyServlet {
             elr.setMessage(message);
             elr.setResult(HttpServletResponse.SC_BAD_REQUEST);
             eventlogger.info(elr);
-            resp.sendError(HttpServletResponse.SC_BAD_REQUEST, message);
+            sendResponseError(resp, HttpServletResponse.SC_BAD_REQUEST, message, eventlogger);
             return;
         }
         Feed feed = Feed.getFeedById(feedid);
@@ -175,7 +186,7 @@ public class FeedServlet extends ProxyServlet {
             elr.setMessage(message);
             elr.setResult(HttpServletResponse.SC_NOT_FOUND);
             eventlogger.info(elr);
-            resp.sendError(HttpServletResponse.SC_NOT_FOUND, message);
+            sendResponseError(resp, HttpServletResponse.SC_NOT_FOUND, message, eventlogger);
             return;
         }
         // Check with the Authorizer
@@ -185,7 +196,7 @@ public class FeedServlet extends ProxyServlet {
             elr.setMessage(message);
             elr.setResult(HttpServletResponse.SC_FORBIDDEN);
             eventlogger.info(elr);
-            resp.sendError(HttpServletResponse.SC_FORBIDDEN, message);
+            sendResponseError(resp, HttpServletResponse.SC_FORBIDDEN, message, eventlogger);
             return;
         }
 
@@ -194,7 +205,11 @@ public class FeedServlet extends ProxyServlet {
         eventlogger.info(elr);
         resp.setStatus(HttpServletResponse.SC_OK);
         resp.setContentType(FEEDFULL_CONTENT_TYPE);
-        resp.getOutputStream().print(feed.asJSONObject(true).toString());
+        try {
+            resp.getOutputStream().print(feed.asJSONObject(true).toString());
+        } catch (IOException ioe) {
+            eventlogger.error("IOException" + ioe.getMessage());
+        }
     }
     /**
      * PUT on the <feedURL> for a feed.
@@ -202,7 +217,7 @@ public class FeedServlet extends ProxyServlet {
      * document for details on how this method should be invoked.
      */
     @Override
-    public void doPut(HttpServletRequest req, HttpServletResponse resp) throws IOException {
+    public void doPut(HttpServletRequest req, HttpServletResponse resp) {
         setIpAndFqdnForEelf("doPut");
         eelflogger.info(EelfMsgs.MESSAGE_WITH_BEHALF_AND_FEEDID, req.getHeader(BEHALF_HEADER),getIdFromPath(req)+"");
         EventLogRecord elr = new EventLogRecord(req);
@@ -211,11 +226,15 @@ public class FeedServlet extends ProxyServlet {
             elr.setMessage(message);
             elr.setResult(HttpServletResponse.SC_FORBIDDEN);
             eventlogger.info(elr);
-            resp.sendError(HttpServletResponse.SC_FORBIDDEN, message);
+            sendResponseError(resp, HttpServletResponse.SC_FORBIDDEN, message, eventlogger);
             return;
         }
         if (isProxyServer()) {
-            super.doPut(req, resp);
+            try {
+                super.doPut(req, resp);
+            } catch (IOException ioe) {
+                eventlogger.error("IOException" + ioe.getMessage());
+            }
             return;
         }
         String bhdr = req.getHeader(BEHALF_HEADER);
@@ -224,7 +243,7 @@ public class FeedServlet extends ProxyServlet {
             elr.setMessage(message);
             elr.setResult(HttpServletResponse.SC_BAD_REQUEST);
             eventlogger.info(elr);
-            resp.sendError(HttpServletResponse.SC_BAD_REQUEST, message);
+            sendResponseError(resp, HttpServletResponse.SC_BAD_REQUEST, message, eventlogger);
             return;
         }
         int feedid = getIdFromPath(req);
@@ -233,7 +252,7 @@ public class FeedServlet extends ProxyServlet {
             elr.setMessage(message);
             elr.setResult(HttpServletResponse.SC_BAD_REQUEST);
             eventlogger.info(elr);
-            resp.sendError(HttpServletResponse.SC_BAD_REQUEST, message);
+            sendResponseError(resp, HttpServletResponse.SC_BAD_REQUEST, message, eventlogger);
             return;
         }
         Feed oldFeed = Feed.getFeedById(feedid);
@@ -242,7 +261,7 @@ public class FeedServlet extends ProxyServlet {
             elr.setMessage(message);
             elr.setResult(HttpServletResponse.SC_NOT_FOUND);
             eventlogger.info(elr);
-            resp.sendError(HttpServletResponse.SC_NOT_FOUND, message);
+            sendResponseError(resp, HttpServletResponse.SC_NOT_FOUND, message, eventlogger);
             return;
         }
         // check content type is FEED_CONTENT_TYPE, version 1.0
@@ -253,7 +272,7 @@ public class FeedServlet extends ProxyServlet {
             elr.setMessage(message);
             elr.setResult(HttpServletResponse.SC_UNSUPPORTED_MEDIA_TYPE);
             eventlogger.info(elr);
-            resp.sendError(HttpServletResponse.SC_UNSUPPORTED_MEDIA_TYPE, message);
+            sendResponseError(resp, HttpServletResponse.SC_UNSUPPORTED_MEDIA_TYPE, message, eventlogger);
             return;
         }
         JSONObject jo = getJSONfromInput(req);
@@ -262,7 +281,7 @@ public class FeedServlet extends ProxyServlet {
             elr.setMessage(message);
             elr.setResult(HttpServletResponse.SC_BAD_REQUEST);
             eventlogger.info(elr);
-            resp.sendError(HttpServletResponse.SC_BAD_REQUEST, message);
+            sendResponseError(resp, HttpServletResponse.SC_BAD_REQUEST, message, eventlogger);
             return;
         }
         if (intlogger.isDebugEnabled())
@@ -275,7 +294,7 @@ public class FeedServlet extends ProxyServlet {
             elr.setMessage(message);
             elr.setResult(HttpServletResponse.SC_BAD_REQUEST);
             eventlogger.info(elr);
-            resp.sendError(HttpServletResponse.SC_BAD_REQUEST, message);
+            sendResponseError(resp, HttpServletResponse.SC_BAD_REQUEST, message, eventlogger);
             return;
         }
         feed.setFeedid(feedid);
@@ -287,7 +306,7 @@ public class FeedServlet extends ProxyServlet {
             elr.setMessage(message);
             elr.setResult(HttpServletResponse.SC_BAD_REQUEST);
             eventlogger.info(elr);
-            resp.sendError(HttpServletResponse.SC_BAD_REQUEST, message);
+            sendResponseError(resp, HttpServletResponse.SC_BAD_REQUEST, message, eventlogger);
             return;
         }
         if (!oldFeed.getName().equals(feed.getName())) {
@@ -295,7 +314,7 @@ public class FeedServlet extends ProxyServlet {
             elr.setMessage(message);
             elr.setResult(HttpServletResponse.SC_BAD_REQUEST);
             eventlogger.info(elr);
-            resp.sendError(HttpServletResponse.SC_BAD_REQUEST, message);
+            sendResponseError(resp, HttpServletResponse.SC_BAD_REQUEST, message, eventlogger);
             return;
         }
         if (!oldFeed.getVersion().equals(feed.getVersion())) {
@@ -303,7 +322,7 @@ public class FeedServlet extends ProxyServlet {
             elr.setMessage(message);
             elr.setResult(HttpServletResponse.SC_BAD_REQUEST);
             eventlogger.info(elr);
-            resp.sendError(HttpServletResponse.SC_BAD_REQUEST, message);
+            sendResponseError(resp, HttpServletResponse.SC_BAD_REQUEST, message, eventlogger);
             return;
         }
         // Check with the Authorizer
@@ -313,7 +332,7 @@ public class FeedServlet extends ProxyServlet {
             elr.setMessage(message);
             elr.setResult(HttpServletResponse.SC_FORBIDDEN);
             eventlogger.info(elr);
-            resp.sendError(HttpServletResponse.SC_FORBIDDEN, message);
+            sendResponseError(resp, HttpServletResponse.SC_FORBIDDEN, message, eventlogger);
             return;
         }
 
@@ -324,15 +343,23 @@ public class FeedServlet extends ProxyServlet {
             eventlogger.info(elr);
             resp.setStatus(HttpServletResponse.SC_OK);
             resp.setContentType(FEEDFULL_CONTENT_TYPE);
-            resp.getOutputStream().print(feed.asLimitedJSONObject().toString());
+            try {
+                resp.getOutputStream().print(feed.asLimitedJSONObject().toString());
+            } catch (IOException ioe) {
+                eventlogger.error("IOException" + ioe.getMessage());
+            }
 
 
             /**Change Owner ship of Feed //Adding for group feature:Rally US708115*/
             if (jo.has("changeowner") && subjectgroup != null) {
-                Boolean changeowner = (Boolean) jo.get("changeowner");
-                if (changeowner != null && changeowner.equals(true)) {
-                    feed.setPublisher(req.getHeader(BEHALF_HEADER));
-                    feed.changeOwnerShip();
+                try {
+                    Boolean changeowner = (Boolean) jo.get("changeowner");
+                    if (changeowner != null && changeowner.equals(true)) {
+                        feed.setPublisher(req.getHeader(BEHALF_HEADER));
+                        feed.changeOwnerShip();
+                    }
+                } catch (JSONException je) {
+                    eventlogger.error("JSONException" + je.getMessage());
                 }
             }
             /***End of change ownership*/
@@ -342,14 +369,14 @@ public class FeedServlet extends ProxyServlet {
             // Something went wrong with the UPDATE
             elr.setResult(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
             eventlogger.info(elr);
-            resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, DB_PROBLEM_MSG);
+            sendResponseError(resp, HttpServletResponse.SC_INTERNAL_SERVER_ERROR, DB_PROBLEM_MSG, eventlogger);
         }
     }
     /**
      * POST on the <feedURL> -- not supported.
      */
     @Override
-    public void doPost(HttpServletRequest req, HttpServletResponse resp) throws IOException {
+    public void doPost(HttpServletRequest req, HttpServletResponse resp) {
         setIpAndFqdnForEelf("doPost");
         eelflogger.info(EelfMsgs.MESSAGE_WITH_BEHALF, req.getHeader(BEHALF_HEADER));
         String message = "POST not allowed for the feedURL.";
@@ -357,6 +384,6 @@ public class FeedServlet extends ProxyServlet {
         elr.setMessage(message);
         elr.setResult(HttpServletResponse.SC_METHOD_NOT_ALLOWED);
         eventlogger.info(elr);
-        resp.sendError(HttpServletResponse.SC_METHOD_NOT_ALLOWED, message);
+        sendResponseError(resp, HttpServletResponse.SC_METHOD_NOT_ALLOWED, message, eventlogger);
     }
 }

diff --git a/datarouter-prov/src/main/java/org/onap/dmaap/datarouter/provisioning/GroupServlet.java b/datarouter-prov/src/main/java/org/onap/dmaap/datarouter/provisioning/GroupServlet.java
index 8537ff4..96a9924 100644 (file)
--- a/datarouter-prov/src/main/java/org/onap/dmaap/datarouter/provisioning/GroupServlet.java
+++ b/datarouter-prov/src/main/java/org/onap/dmaap/datarouter/provisioning/GroupServlet.java
@@ -26,18 +26,15 @@ package org.onap.dmaap.datarouter.provisioning;
 
 import java.io.IOException;
 import java.io.InvalidObjectException;
-import java.util.Collection;
 
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 
 import org.json.JSONObject;
-import org.onap.dmaap.datarouter.authz.AuthorizationResponse;
-import org.onap.dmaap.datarouter.provisioning.BaseServlet.ContentHeader;
 import org.onap.dmaap.datarouter.provisioning.beans.EventLogRecord;
 import org.onap.dmaap.datarouter.provisioning.beans.Group;
-import org.onap.dmaap.datarouter.provisioning.beans.Subscription;
-import org.onap.dmaap.datarouter.provisioning.utils.JSONUtilities;
+
+import static org.onap.dmaap.datarouter.provisioning.utils.HttpServletUtils.sendResponseError;
 
 /**
  * This servlet handles provisioning for the <groups> which is generated by the provisioning
@@ -53,13 +50,13 @@ public class GroupServlet extends ProxyServlet {
      * DELETE on the <GRUPS> -- not supported.
      */
     @Override
-    public void doDelete(HttpServletRequest req, HttpServletResponse resp) throws IOException {
+    public void doDelete(HttpServletRequest req, HttpServletResponse resp) {
         String message = "DELETE not allowed for the GROUPS.";
         EventLogRecord elr = new EventLogRecord(req);
         elr.setMessage(message);
         elr.setResult(HttpServletResponse.SC_METHOD_NOT_ALLOWED);
         eventlogger.info(elr);
-        resp.sendError(HttpServletResponse.SC_METHOD_NOT_ALLOWED, message);
+        sendResponseError(resp, HttpServletResponse.SC_METHOD_NOT_ALLOWED, message, eventlogger);
     }
     /**
      * GET on the the list of groups to a feed/sub.
@@ -67,18 +64,22 @@ public class GroupServlet extends ProxyServlet {
      * document for details on how this method should be invoked.
      */
     @Override
-    public void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException {
+    public void doGet(HttpServletRequest req, HttpServletResponse resp) {
         EventLogRecord elr = new EventLogRecord(req);
         String message = isAuthorizedForProvisioning(req);
         if (message != null) {
             elr.setMessage(message);
             elr.setResult(HttpServletResponse.SC_FORBIDDEN);
             eventlogger.info(elr);
-            resp.sendError(HttpServletResponse.SC_FORBIDDEN, message);
+            sendResponseError(resp, HttpServletResponse.SC_FORBIDDEN, message, eventlogger);
             return;
         }
         if (isProxyServer()) {
-            super.doGet(req, resp);
+            try {
+                super.doGet(req, resp);
+            } catch (IOException ioe) {
+                eventlogger.error("IOException" + ioe.getMessage());
+            }
             return;
         }
         String bhdr = req.getHeader(BEHALF_HEADER);
@@ -87,7 +88,7 @@ public class GroupServlet extends ProxyServlet {
             elr.setMessage(message);
             elr.setResult(HttpServletResponse.SC_BAD_REQUEST);
             eventlogger.info(elr);
-            resp.sendError(HttpServletResponse.SC_BAD_REQUEST, message);
+            sendResponseError(resp, HttpServletResponse.SC_BAD_REQUEST, message, eventlogger);
             return;
         }
 
@@ -122,7 +123,7 @@ public class GroupServlet extends ProxyServlet {
             elr.setMessage(message);
             elr.setResult(HttpServletResponse.SC_BAD_REQUEST);
             eventlogger.info(elr);
-            resp.sendError(HttpServletResponse.SC_BAD_REQUEST, message);
+            sendResponseError(resp, HttpServletResponse.SC_BAD_REQUEST, message, eventlogger);
             return;
         }
 
@@ -132,7 +133,11 @@ public class GroupServlet extends ProxyServlet {
         eventlogger.info(elr);
         resp.setStatus(HttpServletResponse.SC_OK);
         resp.setContentType(GROUPFULL_CONTENT_TYPE);
-        resp.getOutputStream().print(gup.asJSONObject().toString());
+        try {
+            resp.getOutputStream().print(gup.asJSONObject().toString());
+        } catch (IOException ioe) {
+            eventlogger.error("IOException" + ioe.getMessage());
+        }
 
         // Display a list of Groups
         /*Collection<Group> list = Group.getGroupById(groupid);
@@ -149,18 +154,22 @@ public class GroupServlet extends ProxyServlet {
      * PUT on the &lt;GROUPS&gt; -- not supported.
      */
     @Override
-    public void doPut(HttpServletRequest req, HttpServletResponse resp) throws IOException {
+    public void doPut(HttpServletRequest req, HttpServletResponse resp) {
         EventLogRecord elr = new EventLogRecord(req);
         String message = isAuthorizedForProvisioning(req);
         if (message != null) {
             elr.setMessage(message);
             elr.setResult(HttpServletResponse.SC_FORBIDDEN);
             eventlogger.info(elr);
-            resp.sendError(HttpServletResponse.SC_FORBIDDEN, message);
+            sendResponseError(resp, HttpServletResponse.SC_FORBIDDEN, message, eventlogger);
             return;
         }
         if (isProxyServer()) {
-            super.doPut(req, resp);
+            try {
+                super.doPut(req, resp);
+            } catch (IOException ioe) {
+                eventlogger.error("IOException" + ioe.getMessage());
+            }
             return;
         }
         String bhdr = req.getHeader(BEHALF_HEADER);
@@ -169,7 +178,7 @@ public class GroupServlet extends ProxyServlet {
             elr.setMessage(message);
             elr.setResult(HttpServletResponse.SC_BAD_REQUEST);
             eventlogger.info(elr);
-            resp.sendError(HttpServletResponse.SC_BAD_REQUEST, message);
+            sendResponseError(resp, HttpServletResponse.SC_BAD_REQUEST, message, eventlogger);
             return;
         }
         int groupid = getIdFromPath(req);
@@ -178,7 +187,7 @@ public class GroupServlet extends ProxyServlet {
             elr.setMessage(message);
             elr.setResult(HttpServletResponse.SC_BAD_REQUEST);
             eventlogger.info(elr);
-            resp.sendError(HttpServletResponse.SC_BAD_REQUEST, message);
+            sendResponseError(resp, HttpServletResponse.SC_BAD_REQUEST, message, eventlogger);
             return;
         }
         Group oldgup = Group.getGroupById(groupid);
@@ -187,7 +196,7 @@ public class GroupServlet extends ProxyServlet {
             elr.setMessage(message);
             elr.setResult(HttpServletResponse.SC_NOT_FOUND);
             eventlogger.info(elr);
-            resp.sendError(HttpServletResponse.SC_NOT_FOUND, message);
+            sendResponseError(resp, HttpServletResponse.SC_NOT_FOUND, message, eventlogger);
             return;
         }
         // Check with the Authorizer
@@ -208,7 +217,7 @@ public class GroupServlet extends ProxyServlet {
             elr.setMessage(message);
             elr.setResult(HttpServletResponse.SC_UNSUPPORTED_MEDIA_TYPE);
             eventlogger.info(elr);
-            resp.sendError(HttpServletResponse.SC_UNSUPPORTED_MEDIA_TYPE, message);
+            sendResponseError(resp, HttpServletResponse.SC_UNSUPPORTED_MEDIA_TYPE, message, eventlogger);
             return;
         }
         JSONObject jo = getJSONfromInput(req);
@@ -217,12 +226,12 @@ public class GroupServlet extends ProxyServlet {
             elr.setMessage(message);
             elr.setResult(HttpServletResponse.SC_BAD_REQUEST);
             eventlogger.info(elr);
-            resp.sendError(HttpServletResponse.SC_BAD_REQUEST, message);
+            sendResponseError(resp, HttpServletResponse.SC_BAD_REQUEST, message, eventlogger);
             return;
         }
         if (intlogger.isDebugEnabled())
             intlogger.debug(jo.toString());
-        Group gup = null;
+        Group gup;
         try {
             gup = new Group(jo);
         } catch (InvalidObjectException e) {
@@ -230,17 +239,15 @@ public class GroupServlet extends ProxyServlet {
             elr.setMessage(message);
             elr.setResult(HttpServletResponse.SC_BAD_REQUEST);
             eventlogger.info(elr);
-            resp.sendError(HttpServletResponse.SC_BAD_REQUEST, message);
+            sendResponseError(resp, HttpServletResponse.SC_BAD_REQUEST, message, eventlogger);
             return;
         }
         gup.setGroupid(oldgup.getGroupid());
-
-
         Group gb2 = Group.getGroupMatching(gup, oldgup.getGroupid());
         if (gb2 != null) {
             eventlogger.warn("PROV0011 Creating a duplicate Group: "+gup.getName());
             elr.setResult(HttpServletResponse.SC_BAD_REQUEST);
-            resp.sendError(HttpServletResponse.SC_BAD_REQUEST, "Duplicate Group:"+gup.getName());
+            sendResponseError(resp, HttpServletResponse.SC_BAD_REQUEST, "Duplicate Group:"+gup.getName(), eventlogger);
             return;
         }
 
@@ -251,13 +258,17 @@ public class GroupServlet extends ProxyServlet {
             eventlogger.info(elr);
             resp.setStatus(HttpServletResponse.SC_OK);
             resp.setContentType(GROUPFULL_CONTENT_TYPE);
-            resp.getOutputStream().print(gup.asJSONObject().toString());
+            try {
+                resp.getOutputStream().print(gup.asJSONObject().toString());
+            } catch (IOException ioe) {
+                eventlogger.error("IOException" + ioe.getMessage());
+            }
             provisioningDataChanged();
         } else {
             // Something went wrong with the UPDATE
             elr.setResult(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
             eventlogger.info(elr);
-            resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, DB_PROBLEM_MSG);
+            sendResponseError(resp, HttpServletResponse.SC_INTERNAL_SERVER_ERROR, DB_PROBLEM_MSG, eventlogger);
         }
     }
     /**
@@ -266,18 +277,22 @@ public class GroupServlet extends ProxyServlet {
      * document for details on how this method should be invoked.
      */
     @Override
-    public void doPost(HttpServletRequest req, HttpServletResponse resp) throws IOException {
+    public void doPost(HttpServletRequest req, HttpServletResponse resp) {
         EventLogRecord elr = new EventLogRecord(req);
         String message = isAuthorizedForProvisioning(req);
         if (message != null) {
             elr.setMessage(message);
             elr.setResult(HttpServletResponse.SC_FORBIDDEN);
             eventlogger.info(elr);
-            resp.sendError(HttpServletResponse.SC_FORBIDDEN, message);
+            sendResponseError(resp, HttpServletResponse.SC_FORBIDDEN, message, eventlogger);
             return;
         }
         if (isProxyServer()) {
-            super.doPost(req, resp);
+            try {
+                super.doPost(req, resp);
+            } catch (IOException ioe) {
+                eventlogger.error("IOException" + ioe.getMessage());
+            }
             return;
         }
         String bhdr = req.getHeader(BEHALF_HEADER);
@@ -286,7 +301,7 @@ public class GroupServlet extends ProxyServlet {
             elr.setMessage(message);
             elr.setResult(HttpServletResponse.SC_BAD_REQUEST);
             eventlogger.info(elr);
-            resp.sendError(HttpServletResponse.SC_BAD_REQUEST, message);
+            sendResponseError(resp, HttpServletResponse.SC_BAD_REQUEST, message, eventlogger);
             return;
         }
         /*int feedid = getIdFromPath(req);
@@ -327,7 +342,7 @@ public class GroupServlet extends ProxyServlet {
             elr.setMessage(message);
             elr.setResult(HttpServletResponse.SC_UNSUPPORTED_MEDIA_TYPE);
             eventlogger.info(elr);
-            resp.sendError(HttpServletResponse.SC_UNSUPPORTED_MEDIA_TYPE, message);
+            sendResponseError(resp, HttpServletResponse.SC_UNSUPPORTED_MEDIA_TYPE, message, eventlogger);
             return;
         }
         JSONObject jo = getJSONfromInput(req);
@@ -336,13 +351,13 @@ public class GroupServlet extends ProxyServlet {
             elr.setMessage(message);
             elr.setResult(HttpServletResponse.SC_BAD_REQUEST);
             eventlogger.info(elr);
-            resp.sendError(HttpServletResponse.SC_BAD_REQUEST, message);
+            sendResponseError(resp, HttpServletResponse.SC_BAD_REQUEST, message, eventlogger);
             return;
         }
         if (intlogger.isDebugEnabled())
             intlogger.debug(jo.toString());
 
-        Group gup = null;
+        Group gup;
         try {
             gup = new Group(jo);
         } catch (InvalidObjectException e) {
@@ -350,7 +365,7 @@ public class GroupServlet extends ProxyServlet {
             elr.setMessage(message);
             elr.setResult(HttpServletResponse.SC_BAD_REQUEST);
             eventlogger.info(elr);
-            resp.sendError(HttpServletResponse.SC_BAD_REQUEST, message);
+            sendResponseError(resp, HttpServletResponse.SC_BAD_REQUEST, message, eventlogger);
             return;
         }
         //gup.setFeedid(feedid);
@@ -361,7 +376,7 @@ public class GroupServlet extends ProxyServlet {
         if (gb2 != null) {
             eventlogger.warn("PROV0011 Creating a duplicate Group: "+gup.getName());
             elr.setResult(HttpServletResponse.SC_BAD_REQUEST);
-            resp.sendError(HttpServletResponse.SC_BAD_REQUEST, "Duplicate Group:"+gup.getName());
+            sendResponseError(resp, HttpServletResponse.SC_BAD_REQUEST, "Duplicate Group:"+gup.getName(), eventlogger);
             return;
         }
 
@@ -373,13 +388,17 @@ public class GroupServlet extends ProxyServlet {
             eventlogger.info(elr);
             resp.setStatus(HttpServletResponse.SC_CREATED);
             resp.setContentType(GROUPFULL_CONTENT_TYPE);
-            resp.getOutputStream().print(gup.asJSONObject().toString());
+            try {
+                resp.getOutputStream().print(gup.asJSONObject().toString());
+            } catch (IOException ioe) {
+                eventlogger.error("IOException" + ioe.getMessage());
+            }
             provisioningDataChanged();
         } else {
             // Something went wrong with the INSERT
             elr.setResult(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
             eventlogger.info(elr);
-            resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, DB_PROBLEM_MSG);
+            sendResponseError(resp, HttpServletResponse.SC_INTERNAL_SERVER_ERROR, DB_PROBLEM_MSG, eventlogger);
         }
     }
 }

diff --git a/datarouter-prov/src/main/java/org/onap/dmaap/datarouter/provisioning/RouteServlet.java b/datarouter-prov/src/main/java/org/onap/dmaap/datarouter/provisioning/RouteServlet.java
index aa0d6f5..a9b22ec 100644 (file)
--- a/datarouter-prov/src/main/java/org/onap/dmaap/datarouter/provisioning/RouteServlet.java
+++ b/datarouter-prov/src/main/java/org/onap/dmaap/datarouter/provisioning/RouteServlet.java
@@ -30,6 +30,7 @@ import java.util.Set;
 import javax.servlet.http.HttpServletRequest;\r
 import javax.servlet.http.HttpServletResponse;\r
 \r
+import org.json.JSONException;\r
 import org.json.JSONObject;\r
 import org.onap.dmaap.datarouter.provisioning.beans.Deleteable;\r
 import org.onap.dmaap.datarouter.provisioning.beans.EgressRoute;\r
@@ -39,6 +40,8 @@ import org.onap.dmaap.datarouter.provisioning.beans.Insertable;
 import org.onap.dmaap.datarouter.provisioning.beans.NetworkRoute;\r
 import org.onap.dmaap.datarouter.provisioning.beans.NodeClass;\r
 \r
+import static org.onap.dmaap.datarouter.provisioning.utils.HttpServletUtils.sendResponseError;\r
+\r
 /**\r
  * <p>\r
  * This servlet handles requests to URLs under /internal/route/ on the provisioning server.\r
@@ -130,17 +133,21 @@ public class RouteServlet extends ProxyServlet {
      * DELETE route table entries by deleting part of the route table tree.\r
      */\r
     @Override\r
-    public void doDelete(HttpServletRequest req, HttpServletResponse resp) throws IOException {\r
+    public void doDelete(HttpServletRequest req, HttpServletResponse resp) {\r
         EventLogRecord elr = new EventLogRecord(req);\r
         if (!isAuthorizedForInternal(req)) {\r
             elr.setMessage("Unauthorized.");\r
             elr.setResult(HttpServletResponse.SC_FORBIDDEN);\r
             eventlogger.info(elr);\r
-            resp.sendError(HttpServletResponse.SC_FORBIDDEN, "Unauthorized.");\r
+            sendResponseError(resp, HttpServletResponse.SC_FORBIDDEN, "Unauthorized.", eventlogger);\r
             return;\r
         }\r
         if (isProxyOK(req) && isProxyServer()) {\r
-            super.doDelete(req, resp);\r
+            try {\r
+                super.doDelete(req, resp);\r
+            } catch (IOException ioe) {\r
+                eventlogger.error("IOException" + ioe.getMessage());\r
+            }\r
             return;\r
         }\r
 \r
@@ -154,12 +161,12 @@ public class RouteServlet extends ProxyServlet {
                     int feedid = Integer.parseInt(parts[1]);\r
                     IngressRoute er = IngressRoute.getIngressRoute(feedid, parts[2], parts[3].replaceAll("!", "/"));\r
                     if (er == null) {\r
-                        resp.sendError(HttpServletResponse.SC_NOT_FOUND, "The specified ingress route does not exist.");\r
+                        sendResponseError(resp, HttpServletResponse.SC_NOT_FOUND, "The specified ingress route does not exist.", eventlogger);\r
                         return;\r
                     }\r
                     d = new Deleteable[] { er };\r
                 } catch (NumberFormatException e) {\r
-                    resp.sendError(HttpServletResponse.SC_NOT_FOUND, "Invalid feed ID in 'delete ingress' command.");\r
+                    sendResponseError(resp, HttpServletResponse.SC_NOT_FOUND, "Invalid feed ID in 'delete ingress' command.", eventlogger);\r
                     return;\r
                 }\r
             } else if (parts.length == 2) {\r
@@ -169,11 +176,11 @@ public class RouteServlet extends ProxyServlet {
                     Set<IngressRoute> set = IngressRoute.getIngressRoutesForSeq(seq);\r
                     d = set.toArray(new Deleteable[0]);\r
                 } catch (NumberFormatException e) {\r
-                    resp.sendError(HttpServletResponse.SC_NOT_FOUND, "Invalid sequence number in 'delete ingress' command.");\r
+                    sendResponseError(resp, HttpServletResponse.SC_NOT_FOUND, "Invalid sequence number in 'delete ingress' command.", eventlogger);\r
                     return;\r
                 }\r
             } else {\r
-                resp.sendError(HttpServletResponse.SC_NOT_FOUND, "Invalid number of arguments in 'delete ingress' command.");\r
+                sendResponseError(resp, HttpServletResponse.SC_NOT_FOUND, "Invalid number of arguments in 'delete ingress' command.", eventlogger);\r
                 return;\r
             }\r
         } else if (parts[0].equals("egress")) {\r
@@ -183,16 +190,16 @@ public class RouteServlet extends ProxyServlet {
                     int subid = Integer.parseInt(parts[1]);\r
                     EgressRoute er = EgressRoute.getEgressRoute(subid);\r
                     if (er == null) {\r
-                        resp.sendError(HttpServletResponse.SC_NOT_FOUND, "The specified egress route does not exist.");\r
+                        sendResponseError(resp, HttpServletResponse.SC_NOT_FOUND, "The specified egress route does not exist.", eventlogger);\r
                         return;\r
                     }\r
                     d = new Deleteable[] { er };\r
                 } catch (NumberFormatException e) {\r
-                    resp.sendError(HttpServletResponse.SC_NOT_FOUND, "Invalid sub ID in 'delete egress' command.");\r
+                    sendResponseError(resp, HttpServletResponse.SC_NOT_FOUND, "Invalid sub ID in 'delete egress' command.", eventlogger);\r
                     return;\r
                 }\r
             } else {\r
-                resp.sendError(HttpServletResponse.SC_NOT_FOUND, "Invalid number of arguments in 'delete egress' command.");\r
+                sendResponseError(resp, HttpServletResponse.SC_NOT_FOUND, "Invalid number of arguments in 'delete egress' command.", eventlogger);\r
                 return;\r
             }\r
         } else if (parts[0].equals("network")) {\r
@@ -205,16 +212,16 @@ public class RouteServlet extends ProxyServlet {
                     );\r
                     d = new Deleteable[] { nr };\r
                 } catch (IllegalArgumentException e) {\r
-                    resp.sendError(HttpServletResponse.SC_NOT_FOUND, "The specified network route does not exist.");\r
+                    sendResponseError(resp, HttpServletResponse.SC_NOT_FOUND, "The specified network route does not exist.", eventlogger);\r
                     return;\r
                 }\r
             } else {\r
-                resp.sendError(HttpServletResponse.SC_NOT_FOUND, "Invalid number of arguments in 'delete network' command.");\r
+                sendResponseError(resp, HttpServletResponse.SC_NOT_FOUND, "Invalid number of arguments in 'delete network' command.", eventlogger);\r
                 return;\r
             }\r
         }\r
         if (d == null) {\r
-            resp.sendError(HttpServletResponse.SC_NOT_FOUND, "Bad URL.");\r
+            sendResponseError(resp, HttpServletResponse.SC_NOT_FOUND, "Bad URL.", eventlogger);\r
             return;\r
         }\r
         boolean rv = true;\r
@@ -231,24 +238,28 @@ public class RouteServlet extends ProxyServlet {
             // Something went wrong with the DELETE\r
             elr.setResult(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);\r
             eventlogger.info(elr);\r
-            resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, DB_PROBLEM_MSG);\r
+            sendResponseError(resp, HttpServletResponse.SC_INTERNAL_SERVER_ERROR, DB_PROBLEM_MSG, eventlogger);\r
         }\r
     }\r
     /**\r
      * GET route table entries from the route table tree specified by the URL path.\r
      */\r
     @Override\r
-    public void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException {\r
+    public void doGet(HttpServletRequest req, HttpServletResponse resp) {\r
         EventLogRecord elr = new EventLogRecord(req);\r
         if (!isAuthorizedForInternal(req)) {\r
             elr.setMessage("Unauthorized.");\r
             elr.setResult(HttpServletResponse.SC_FORBIDDEN);\r
             eventlogger.info(elr);\r
-            resp.sendError(HttpServletResponse.SC_FORBIDDEN, "Unauthorized.");\r
+            sendResponseError(resp, HttpServletResponse.SC_FORBIDDEN, "Unauthorized.", eventlogger);\r
             return;\r
         }\r
         if (isProxyOK(req) && isProxyServer()) {\r
-            super.doGet(req, resp);\r
+            try {\r
+                super.doGet(req, resp);\r
+            } catch (IOException ioe) {\r
+                eventlogger.error("IOException" + ioe.getMessage());\r
+            }\r
             return;\r
         }\r
 \r
@@ -256,7 +267,7 @@ public class RouteServlet extends ProxyServlet {
         if (!path.endsWith("/"))\r
             path += "/";\r
         if (!path.equals("/") && !path.equals("/ingress/") && !path.equals("/egress/") && !path.equals("/network/")) {\r
-            resp.sendError(HttpServletResponse.SC_NOT_FOUND, "Bad URL.");\r
+            sendResponseError(resp, HttpServletResponse.SC_NOT_FOUND, "Bad URL.", eventlogger);\r
             return;\r
         }\r
 \r
@@ -283,7 +294,11 @@ public class RouteServlet extends ProxyServlet {
                 for (String key : jx.keySet()) {\r
                     sb.append(pfx);\r
                     sb.append("  \"").append(key).append("\": ");\r
-                    sb.append("\"").append(jx.getString(key)).append("\"");\r
+                    try {\r
+                        sb.append("\"").append(jx.getString(key)).append("\"");\r
+                    } catch (JSONException je) {\r
+                        eventlogger.error("JSONException" + je.getMessage());\r
+                    }\r
                     pfx = ",\n";\r
                 }\r
             }\r
@@ -305,38 +320,46 @@ public class RouteServlet extends ProxyServlet {
         sb.append("}\n");\r
         resp.setStatus(HttpServletResponse.SC_OK);\r
         resp.setContentType("application/json");\r
-        resp.getOutputStream().print(sb.toString());\r
+        try {\r
+            resp.getOutputStream().print(sb.toString());\r
+        } catch (IOException ioe) {\r
+            eventlogger.error("IOException" + ioe.getMessage());\r
+        }\r
     }\r
     /**\r
      * PUT on &lt;/internal/route/*&gt; -- not supported.\r
      */\r
     @Override\r
-    public void doPut(HttpServletRequest req, HttpServletResponse resp) throws IOException {\r
+    public void doPut(HttpServletRequest req, HttpServletResponse resp) {\r
         EventLogRecord elr = new EventLogRecord(req);\r
         if (!isAuthorizedForInternal(req)) {\r
             elr.setMessage("Unauthorized.");\r
             elr.setResult(HttpServletResponse.SC_FORBIDDEN);\r
             eventlogger.info(elr);\r
-            resp.sendError(HttpServletResponse.SC_FORBIDDEN, "Unauthorized.");\r
+            sendResponseError(resp, HttpServletResponse.SC_FORBIDDEN, "Unauthorized.", eventlogger);\r
             return;\r
         }\r
-        resp.sendError(HttpServletResponse.SC_NOT_FOUND, "Bad URL.");\r
+        sendResponseError(resp, HttpServletResponse.SC_NOT_FOUND, "Bad URL.", eventlogger);\r
     }\r
     /**\r
      * POST - modify existing route table entries in the route table tree specified by the URL path.\r
      */\r
     @Override\r
-    public void doPost(HttpServletRequest req, HttpServletResponse resp) throws IOException {\r
+    public void doPost(HttpServletRequest req, HttpServletResponse resp) {\r
         EventLogRecord elr = new EventLogRecord(req);\r
         if (!isAuthorizedForInternal(req)) {\r
             elr.setMessage("Unauthorized.");\r
             elr.setResult(HttpServletResponse.SC_FORBIDDEN);\r
             eventlogger.info(elr);\r
-            resp.sendError(HttpServletResponse.SC_FORBIDDEN, "Unauthorized.");\r
+            sendResponseError(resp, HttpServletResponse.SC_FORBIDDEN, "Unauthorized.", eventlogger);\r
             return;\r
         }\r
         if (isProxyOK(req) && isProxyServer()) {\r
-            super.doPost(req, resp);\r
+            try {\r
+                super.doPost(req, resp);\r
+            } catch (IOException ioe) {\r
+                intlogger.error("IOException" + ioe.getMessage());\r
+            }\r
             return;\r
         }\r
         String path = req.getPathInfo();\r
@@ -358,7 +381,7 @@ public class RouteServlet extends ProxyServlet {
                 ins = new Insertable[] { new IngressRoute(seq, feedid, user, subnet, NodeClass.lookupNodeNames(nodepatt)) };\r
             } catch (Exception e) {\r
                 intlogger.info(e);\r
-                resp.sendError(HttpServletResponse.SC_BAD_REQUEST, "Invalid arguments in 'add ingress' command.");\r
+                sendResponseError(resp, HttpServletResponse.SC_BAD_REQUEST, "Invalid arguments in 'add ingress' command.", intlogger);\r
                 return;\r
             }\r
         } else if (path.startsWith("/egress/")) {\r
@@ -367,14 +390,14 @@ public class RouteServlet extends ProxyServlet {
                 int subid = Integer.parseInt(req.getParameter("sub"));\r
                 EgressRoute er = EgressRoute.getEgressRoute(subid);\r
                 if (er != null) {\r
-                    resp.sendError(HttpServletResponse.SC_BAD_REQUEST, "An egress route already exists for that subscriber.");\r
+                    sendResponseError(resp, HttpServletResponse.SC_BAD_REQUEST, "An egress route already exists for that subscriber.", intlogger);\r
                     return;\r
                 }\r
                 String node = NodeClass.normalizeNodename(req.getParameter("node"));\r
                 ins = new Insertable[] { new EgressRoute(subid, node) };\r
             } catch (Exception e) {\r
                 intlogger.info(e);\r
-                resp.sendError(HttpServletResponse.SC_BAD_REQUEST, "Invalid arguments in 'add egress' command.");\r
+                sendResponseError(resp, HttpServletResponse.SC_BAD_REQUEST, "Invalid arguments in 'add egress' command.", intlogger);\r
                 return;\r
             }\r
         } else if (path.startsWith("/network/")) {\r
@@ -384,7 +407,7 @@ public class RouteServlet extends ProxyServlet {
                 String nto   = req.getParameter("to");\r
                 String nvia  = req.getParameter("via");\r
                 if (nfrom == null || nto == null || nvia == null) {\r
-                    resp.sendError(HttpServletResponse.SC_BAD_REQUEST, "Missing arguments in 'add network' command.");\r
+                    sendResponseError(resp, HttpServletResponse.SC_BAD_REQUEST, "Missing arguments in 'add network' command.", intlogger);\r
                     return;\r
                 }\r
                 nfrom = NodeClass.normalizeNodename(nfrom);\r
@@ -393,19 +416,19 @@ public class RouteServlet extends ProxyServlet {
                 NetworkRoute nr = new NetworkRoute(nfrom, nto, nvia);\r
                 for (NetworkRoute route : NetworkRoute.getAllNetworkRoutes()) {\r
                     if (route.getFromnode() == nr.getFromnode() && route.getTonode() == nr.getTonode()) {\r
-                        resp.sendError(HttpServletResponse.SC_BAD_REQUEST, "Network route table already contains a route for "+nfrom+" and "+nto);\r
+                        sendResponseError(resp, HttpServletResponse.SC_BAD_REQUEST, "Network route table already contains a route for " + nfrom + " and " + nto, intlogger);\r
                         return;\r
                     }\r
                 }\r
                 ins = new Insertable[] { nr };\r
             } catch (IllegalArgumentException e) {\r
                 intlogger.info(e);\r
-                resp.sendError(HttpServletResponse.SC_BAD_REQUEST, "Invalid arguments in 'add network' command.");\r
+                sendResponseError(resp, HttpServletResponse.SC_BAD_REQUEST, "Invalid arguments in 'add network' command.", intlogger);\r
                 return;\r
             }\r
         }\r
         if (ins == null) {\r
-            resp.sendError(HttpServletResponse.SC_NOT_FOUND, "Bad URL.");\r
+            sendResponseError(resp, HttpServletResponse.SC_NOT_FOUND, "Bad URL.", intlogger);\r
             return;\r
         }\r
         boolean rv = true;\r
@@ -422,7 +445,7 @@ public class RouteServlet extends ProxyServlet {
             // Something went wrong with the INSERT\r
             elr.setResult(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);\r
             eventlogger.info(elr);\r
-            resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, DB_PROBLEM_MSG);\r
+            sendResponseError(resp, HttpServletResponse.SC_INTERNAL_SERVER_ERROR, DB_PROBLEM_MSG, intlogger);\r
         }\r
     }\r
 }\r

diff --git a/datarouter-prov/src/main/java/org/onap/dmaap/datarouter/provisioning/StatisticsServlet.java b/datarouter-prov/src/main/java/org/onap/dmaap/datarouter/provisioning/StatisticsServlet.java
index 4917402..3902dc6 100755 (executable)
--- a/datarouter-prov/src/main/java/org/onap/dmaap/datarouter/provisioning/StatisticsServlet.java
+++ b/datarouter-prov/src/main/java/org/onap/dmaap/datarouter/provisioning/StatisticsServlet.java
@@ -28,7 +28,6 @@ import java.sql.Connection;
 import java.sql.PreparedStatement;\r
 import java.sql.ResultSet;\r
 import java.sql.SQLException;\r
-import java.sql.Statement;\r
 import java.text.ParseException;\r
 import java.text.SimpleDateFormat;\r
 import java.util.Calendar;\r
@@ -44,6 +43,8 @@ import org.onap.dmaap.datarouter.provisioning.beans.EventLogRecord;
 import org.onap.dmaap.datarouter.provisioning.utils.DB;\r
 import org.onap.dmaap.datarouter.provisioning.utils.LOGJSONObject;\r
 \r
+import static org.onap.dmaap.datarouter.provisioning.utils.HttpServletUtils.sendResponseError;\r
+\r
 /**\r
  * This Servlet handles requests to the <Statistics API> and  <Statistics consilidated\r
  * resultset>,\r
@@ -64,13 +65,13 @@ public class StatisticsServlet extends BaseServlet {
    * DELETE a logging URL -- not supported.\r
    */\r
   @Override\r
-  public void doDelete(HttpServletRequest req, HttpServletResponse resp) throws IOException {\r
+  public void doDelete(HttpServletRequest req, HttpServletResponse resp) {\r
     String message = "DELETE not allowed for the logURL.";\r
     EventLogRecord elr = new EventLogRecord(req);\r
     elr.setMessage(message);\r
     elr.setResult(HttpServletResponse.SC_METHOD_NOT_ALLOWED);\r
     eventlogger.info(elr);\r
-    resp.sendError(HttpServletResponse.SC_METHOD_NOT_ALLOWED, message);\r
+    sendResponseError(resp, HttpServletResponse.SC_METHOD_NOT_ALLOWED, message, eventlogger);\r
   }\r
 \r
   /**\r
@@ -78,24 +79,27 @@ public class StatisticsServlet extends BaseServlet {
    * <b>Statistics API</b> document for details on how this     method should be invoked.\r
    */\r
   @Override\r
-  public void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException {\r
+  public void doGet(HttpServletRequest req, HttpServletResponse resp) {\r
 \r
     Map<String, String> map = buildMapFromRequest(req);\r
     if (map.get("err") != null) {\r
-      resp.sendError(HttpServletResponse.SC_BAD_REQUEST, "Invalid arguments: " + map.get("err"));\r
+      sendResponseError(resp, HttpServletResponse.SC_BAD_REQUEST, "Invalid arguments: " + map.get("err"), eventlogger);\r
       return;\r
     }\r
     // check Accept: header??\r
 \r
     resp.setStatus(HttpServletResponse.SC_OK);\r
     resp.setContentType(LOGLIST_CONTENT_TYPE);\r
-    ServletOutputStream out = resp.getOutputStream();\r
 \r
     String outputType = "json";\r
     String feedids = null;\r
 \r
     if (req.getParameter("feedid") == null && req.getParameter("groupid") == null) {\r
-      out.print("Invalid request, Feedid or Group ID is required.");\r
+      try {\r
+        resp.getOutputStream().print("Invalid request, Feedid or Group ID is required.");\r
+      } catch (IOException ioe) {\r
+        eventlogger.error("IOException: " + ioe.getMessage());\r
+      }\r
     }\r
 \r
     if (req.getParameter("feedid") != null && req.getParameter("groupid") == null) {\r
@@ -114,10 +118,8 @@ public class StatisticsServlet extends BaseServlet {
         System.out.println("groupid1" + groupid1.toString());\r
 \r
 \r
-      } catch (NumberFormatException e) {\r
-        e.printStackTrace();\r
-      } catch (SQLException e) {\r
-        e.printStackTrace();\r
+      } catch (NumberFormatException | SQLException e) {\r
+        eventlogger.error(e.getMessage());\r
       }\r
     }\r
     if (req.getParameter("groupid") != null && req.getParameter("feedid") != null) {\r
@@ -135,10 +137,8 @@ public class StatisticsServlet extends BaseServlet {
         System.out.println("groupid1" + groupid1.toString());\r
 \r
 \r
-      } catch (NumberFormatException e) {\r
-        e.printStackTrace();\r
-      } catch (SQLException e) {\r
-        e.printStackTrace();\r
+      } catch (NumberFormatException | SQLException e) {\r
+        eventlogger.error(e.getMessage());\r
       }\r
     }\r
 \r
@@ -179,8 +179,11 @@ public class StatisticsServlet extends BaseServlet {
     if (req.getParameter("output_type") != null) {\r
       outputType = req.getParameter("output_type");\r
     }\r
-\r
-    this.getRecordsForSQL(map, outputType, out, resp);\r
+    try {\r
+      this.getRecordsForSQL(map, outputType, resp.getOutputStream(), resp);\r
+    } catch (IOException ioe) {\r
+      eventlogger.error("IOException: " + ioe.getMessage());\r
+    }\r
 \r
   }\r
 \r
@@ -288,7 +291,7 @@ public class StatisticsServlet extends BaseServlet {
           System.out.println("feedIds" + feedIds.toString());\r
       }\r
     } catch (SQLException e) {\r
-      e.printStackTrace();\r
+      eventlogger.error(e.getMessage());\r
     } finally {\r
       try {\r
         if (resultSet != null) {\r
@@ -299,7 +302,7 @@ public class StatisticsServlet extends BaseServlet {
           db.release(conn);\r
         }\r
       } catch (Exception e) {\r
-        e.printStackTrace();\r
+        eventlogger.error(e.getMessage());\r
       }\r
     }\r
     return feedIds;\r
@@ -399,26 +402,26 @@ public class StatisticsServlet extends BaseServlet {
    * PUT a Statistics URL -- not supported.\r
    */\r
   @Override\r
-  public void doPut(HttpServletRequest req, HttpServletResponse resp) throws IOException {\r
+  public void doPut(HttpServletRequest req, HttpServletResponse resp) {\r
     String message = "PUT not allowed for the StatisticsURL.";\r
     EventLogRecord elr = new EventLogRecord(req);\r
     elr.setMessage(message);\r
     elr.setResult(HttpServletResponse.SC_METHOD_NOT_ALLOWED);\r
     eventlogger.info(elr);\r
-    resp.sendError(HttpServletResponse.SC_METHOD_NOT_ALLOWED, message);\r
+    sendResponseError(resp, HttpServletResponse.SC_METHOD_NOT_ALLOWED, message, eventlogger);\r
   }\r
 \r
   /**\r
    * POST a Statistics URL -- not supported.\r
    */\r
   @Override\r
-  public void doPost(HttpServletRequest req, HttpServletResponse resp) throws IOException {\r
+  public void doPost(HttpServletRequest req, HttpServletResponse resp) {\r
     String message = "POST not allowed for the StatisticsURL.";\r
     EventLogRecord elr = new EventLogRecord(req);\r
     elr.setMessage(message);\r
     elr.setResult(HttpServletResponse.SC_METHOD_NOT_ALLOWED);\r
     eventlogger.info(elr);\r
-    resp.sendError(HttpServletResponse.SC_METHOD_NOT_ALLOWED, message);\r
+    sendResponseError(resp, HttpServletResponse.SC_METHOD_NOT_ALLOWED, message, eventlogger);\r
   }\r
 \r
   private Map<String, String> buildMapFromRequest(HttpServletRequest req) {\r
@@ -562,18 +565,15 @@ public class StatisticsServlet extends BaseServlet {
           }\r
         }\r
       } catch (SQLException e) {\r
-        e.printStackTrace();\r
+        eventlogger.error("SQLException:" + e);\r
       }\r
       intlogger.debug("Time: " + (System.currentTimeMillis() - start) + " ms");\r
     } catch (IOException e) {\r
       eventlogger.error("IOException - Generating JSON/CSV:" + e);\r
-      e.printStackTrace();\r
     } catch (JSONException e) {\r
       eventlogger.error("JSONException - executing SQL query:" + e);\r
-      e.printStackTrace();\r
     } catch (ParseException e) {\r
       eventlogger.error("ParseException - executing SQL query:" + e);\r
-      e.printStackTrace();\r
     }\r
   }\r
 }\r

diff --git a/datarouter-prov/src/main/java/org/onap/dmaap/datarouter/provisioning/SubscribeServlet.java b/datarouter-prov/src/main/java/org/onap/dmaap/datarouter/provisioning/SubscribeServlet.java
index 21d391e..e8828f1 100644 (file)
--- a/datarouter-prov/src/main/java/org/onap/dmaap/datarouter/provisioning/SubscribeServlet.java
+++ b/datarouter-prov/src/main/java/org/onap/dmaap/datarouter/provisioning/SubscribeServlet.java
@@ -42,6 +42,8 @@ import org.onap.dmaap.datarouter.provisioning.utils.JSONUtilities;
 import com.att.eelf.configuration.EELFLogger;
 import com.att.eelf.configuration.EELFManager;
 
+import static org.onap.dmaap.datarouter.provisioning.utils.HttpServletUtils.sendResponseError;
+
 /**
  * This servlet handles provisioning for the <subscribeURL> which is generated by the provisioning server to
  * handle the creation and inspection of subscriptions to a specific feed.
@@ -60,7 +62,7 @@ public class SubscribeServlet extends ProxyServlet {
      * DELETE on the <subscribeUrl> -- not supported.
      */
     @Override
-    public void doDelete(HttpServletRequest req, HttpServletResponse resp) throws IOException {
+    public void doDelete(HttpServletRequest req, HttpServletResponse resp) {
         setIpAndFqdnForEelf("doDelete");
         eelflogger.info(EelfMsgs.MESSAGE_WITH_BEHALF_AND_SUBID, req.getHeader(BEHALF_HEADER), getIdFromPath(req) + "");
         String message = "DELETE not allowed for the subscribeURL.";
@@ -68,7 +70,7 @@ public class SubscribeServlet extends ProxyServlet {
         elr.setMessage(message);
         elr.setResult(HttpServletResponse.SC_METHOD_NOT_ALLOWED);
         eventlogger.info(elr);
-        resp.sendError(HttpServletResponse.SC_METHOD_NOT_ALLOWED, message);
+        sendResponseError(resp, HttpServletResponse.SC_METHOD_NOT_ALLOWED, message, eventlogger);
     }
 
     /**
@@ -76,7 +78,7 @@ public class SubscribeServlet extends ProxyServlet {
      * Query</i> section in the <b>Provisioning API</b> document for details on how this method should be invoked.
      */
     @Override
-    public void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException {
+    public void doGet(HttpServletRequest req, HttpServletResponse resp) {
         setIpAndFqdnForEelf("doGet");
         eelflogger.info(EelfMsgs.MESSAGE_WITH_BEHALF_AND_SUBID, req.getHeader(BEHALF_HEADER), getIdFromPath(req) + "");
         EventLogRecord elr = new EventLogRecord(req);
@@ -85,11 +87,15 @@ public class SubscribeServlet extends ProxyServlet {
             elr.setMessage(message);
             elr.setResult(HttpServletResponse.SC_FORBIDDEN);
             eventlogger.info(elr);
-            resp.sendError(HttpServletResponse.SC_FORBIDDEN, message);
+            sendResponseError(resp, HttpServletResponse.SC_FORBIDDEN, message, eventlogger);
             return;
         }
         if (isProxyServer()) {
-            super.doGet(req, resp);
+            try {
+                super.doGet(req, resp);
+            } catch (IOException ioe) {
+                eventlogger.error("IOException: " + ioe.getMessage());
+            }
             return;
         }
         String bhdr = req.getHeader(BEHALF_HEADER);
@@ -98,7 +104,7 @@ public class SubscribeServlet extends ProxyServlet {
             elr.setMessage(message);
             elr.setResult(HttpServletResponse.SC_BAD_REQUEST);
             eventlogger.info(elr);
-            resp.sendError(HttpServletResponse.SC_BAD_REQUEST, message);
+            sendResponseError(resp, HttpServletResponse.SC_BAD_REQUEST, message, eventlogger);
             return;
         }
         int feedid = getIdFromPath(req);
@@ -107,7 +113,7 @@ public class SubscribeServlet extends ProxyServlet {
             elr.setMessage(message);
             elr.setResult(HttpServletResponse.SC_BAD_REQUEST);
             eventlogger.info(elr);
-            resp.sendError(HttpServletResponse.SC_BAD_REQUEST, message);
+            sendResponseError(resp, HttpServletResponse.SC_BAD_REQUEST, message, eventlogger);
             return;
         }
         Feed feed = Feed.getFeedById(feedid);
@@ -116,7 +122,7 @@ public class SubscribeServlet extends ProxyServlet {
             elr.setMessage(message);
             elr.setResult(HttpServletResponse.SC_NOT_FOUND);
             eventlogger.info(elr);
-            resp.sendError(HttpServletResponse.SC_NOT_FOUND, message);
+            sendResponseError(resp, HttpServletResponse.SC_NOT_FOUND, message, eventlogger);
             return;
         }
         // Check with the Authorizer
@@ -126,7 +132,7 @@ public class SubscribeServlet extends ProxyServlet {
             elr.setMessage(message);
             elr.setResult(HttpServletResponse.SC_FORBIDDEN);
             eventlogger.info(elr);
-            resp.sendError(HttpServletResponse.SC_FORBIDDEN, message);
+            sendResponseError(resp, HttpServletResponse.SC_FORBIDDEN, message, eventlogger);
             return;
         }
 
@@ -139,14 +145,18 @@ public class SubscribeServlet extends ProxyServlet {
         eventlogger.info(elr);
         resp.setStatus(HttpServletResponse.SC_OK);
         resp.setContentType(SUBLIST_CONTENT_TYPE);
-        resp.getOutputStream().print(t);
+        try {
+            resp.getOutputStream().print(t);
+        } catch (IOException ioe) {
+            eventlogger.error("IOException: " + ioe.getMessage());
+        }
     }
 
     /**
      * PUT on the &lt;subscribeUrl&gt; -- not supported.
      */
     @Override
-    public void doPut(HttpServletRequest req, HttpServletResponse resp) throws IOException {
+    public void doPut(HttpServletRequest req, HttpServletResponse resp) {
         setIpAndFqdnForEelf("doPut");
         eelflogger.info(EelfMsgs.MESSAGE_WITH_BEHALF_AND_SUBID, req.getHeader(BEHALF_HEADER), getIdFromPath(req) + "");
         String message = "PUT not allowed for the subscribeURL.";
@@ -154,7 +164,7 @@ public class SubscribeServlet extends ProxyServlet {
         elr.setMessage(message);
         elr.setResult(HttpServletResponse.SC_METHOD_NOT_ALLOWED);
         eventlogger.info(elr);
-        resp.sendError(HttpServletResponse.SC_METHOD_NOT_ALLOWED, message);
+        sendResponseError(resp, HttpServletResponse.SC_METHOD_NOT_ALLOWED, message, eventlogger);
     }
 
     /**
@@ -171,11 +181,15 @@ public class SubscribeServlet extends ProxyServlet {
             elr.setMessage(message);
             elr.setResult(HttpServletResponse.SC_FORBIDDEN);
             eventlogger.info(elr);
-            resp.sendError(HttpServletResponse.SC_FORBIDDEN, message);
+            sendResponseError(resp, HttpServletResponse.SC_FORBIDDEN, message, eventlogger);
             return;
         }
         if (isProxyServer()) {
-            super.doPost(req, resp);
+            try {
+                super.doPost(req, resp);
+            } catch (IOException ioe) {
+                eventlogger.error("IOException: " + ioe.getMessage());
+            }
             return;
         }
         String bhdr = req.getHeader(BEHALF_HEADER);
@@ -184,7 +198,7 @@ public class SubscribeServlet extends ProxyServlet {
             elr.setMessage(message);
             elr.setResult(HttpServletResponse.SC_BAD_REQUEST);
             eventlogger.info(elr);
-            resp.sendError(HttpServletResponse.SC_BAD_REQUEST, message);
+            sendResponseError(resp, HttpServletResponse.SC_BAD_REQUEST, message, eventlogger);
             return;
         }
         int feedid = getIdFromPath(req);
@@ -193,7 +207,7 @@ public class SubscribeServlet extends ProxyServlet {
             elr.setMessage(message);
             elr.setResult(HttpServletResponse.SC_BAD_REQUEST);
             eventlogger.info(elr);
-            resp.sendError(HttpServletResponse.SC_BAD_REQUEST, message);
+            sendResponseError(resp, HttpServletResponse.SC_BAD_REQUEST, message, eventlogger);
             return;
         }
         Feed feed = Feed.getFeedById(feedid);
@@ -202,7 +216,7 @@ public class SubscribeServlet extends ProxyServlet {
             elr.setMessage(message);
             elr.setResult(HttpServletResponse.SC_NOT_FOUND);
             eventlogger.info(elr);
-            resp.sendError(HttpServletResponse.SC_NOT_FOUND, message);
+            sendResponseError(resp, HttpServletResponse.SC_NOT_FOUND, message, eventlogger);
             return;
         }
         // Check with the Authorizer
@@ -212,7 +226,7 @@ public class SubscribeServlet extends ProxyServlet {
             elr.setMessage(message);
             elr.setResult(HttpServletResponse.SC_FORBIDDEN);
             eventlogger.info(elr);
-            resp.sendError(HttpServletResponse.SC_FORBIDDEN, message);
+            sendResponseError(resp, HttpServletResponse.SC_FORBIDDEN, message, eventlogger);
             return;
         }
 
@@ -225,7 +239,7 @@ public class SubscribeServlet extends ProxyServlet {
             elr.setMessage(message);
             elr.setResult(HttpServletResponse.SC_UNSUPPORTED_MEDIA_TYPE);
             eventlogger.info(elr);
-            resp.sendError(HttpServletResponse.SC_UNSUPPORTED_MEDIA_TYPE, message);
+            sendResponseError(resp, HttpServletResponse.SC_UNSUPPORTED_MEDIA_TYPE, message, eventlogger);
             return;
         }
         JSONObject jo = getJSONfromInput(req);
@@ -234,7 +248,7 @@ public class SubscribeServlet extends ProxyServlet {
             elr.setMessage(message);
             elr.setResult(HttpServletResponse.SC_BAD_REQUEST);
             eventlogger.info(elr);
-            resp.sendError(HttpServletResponse.SC_BAD_REQUEST, message);
+            sendResponseError(resp, HttpServletResponse.SC_BAD_REQUEST, message, eventlogger);
             return;
         }
         if (intlogger.isDebugEnabled()) {
@@ -246,7 +260,7 @@ public class SubscribeServlet extends ProxyServlet {
             elr.setMessage(message);
             elr.setResult(HttpServletResponse.SC_CONFLICT);
             eventlogger.info(elr);
-            resp.sendError(HttpServletResponse.SC_CONFLICT, message);
+            sendResponseError(resp, HttpServletResponse.SC_CONFLICT, message, eventlogger);
             return;
         }
         Subscription sub = null;
@@ -258,7 +272,7 @@ public class SubscribeServlet extends ProxyServlet {
             elr.setMessage(message);
             elr.setResult(HttpServletResponse.SC_BAD_REQUEST);
             eventlogger.info(elr);
-            resp.sendError(HttpServletResponse.SC_BAD_REQUEST, message);
+            sendResponseError(resp, HttpServletResponse.SC_BAD_REQUEST, message, eventlogger);
             return;
         }
         sub.setFeedid(feedid);
@@ -280,7 +294,11 @@ public class SubscribeServlet extends ProxyServlet {
             resp.setStatus(HttpServletResponse.SC_CREATED);
             resp.setContentType(SUBFULL_CONTENT_TYPE);
             resp.setHeader("Location", sub.getLinks().getSelf());
-            resp.getOutputStream().print(sub.asLimitedJSONObject().toString());
+            try {
+                resp.getOutputStream().print(sub.asLimitedJSONObject().toString());
+            } catch (IOException ioe) {
+                eventlogger.error("IOException: " + ioe.getMessage());
+            }
 
             provisioningDataChanged();
         } else {
@@ -288,7 +306,7 @@ public class SubscribeServlet extends ProxyServlet {
             activeSubs--;
             elr.setResult(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
             eventlogger.info(elr);
-            resp.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, DB_PROBLEM_MSG);
+            sendResponseError(resp, HttpServletResponse.SC_INTERNAL_SERVER_ERROR, DB_PROBLEM_MSG, eventlogger);
         }
     }
 }