import com.att.nsa.apiClient.http.CacheUse;
 import com.att.nsa.apiClient.http.HttpClient;
 import java.net.MalformedURLException;
+import java.nio.charset.StandardCharsets;
 import java.util.Collection;
 import java.util.Set;
 import java.util.TreeSet;
 import java.util.concurrent.TimeUnit;
 import javax.ws.rs.client.WebTarget;
 import javax.ws.rs.core.Response;
-
+import org.apache.commons.codec.binary.Base64;
 import org.apache.http.HttpException;
 import org.apache.http.HttpStatus;
 import org.glassfish.jersey.client.ClientConfig;
-import org.glassfish.jersey.internal.util.Base64;
 import org.json.JSONArray;
 import org.json.JSONException;
 import org.json.JSONObject;
             WebTarget target = null;
             Response response = null;
             target = DmaapClientUtil.getTarget(clientConfig, path, username, password);
-            String encoding = Base64.encodeAsString(username + ":" + password);
+            Base64 base64 = new Base64();
+            String encoding = base64.encodeAsString((username + ":" + password).getBytes(StandardCharsets.UTF_8));
 
             response = DmaapClientUtil.postResponsewtBasicAuth(target, encoding, data, contentType);
 
             WebTarget target = null;
             Response response = null;
             target = DmaapClientUtil.getTarget(clientConfig, path, username, password);
-            String encoding = Base64.encodeAsString(username + ":" + password);
+            Base64 base64 = new Base64();
+            String encoding = base64.encodeAsString((username + ":" + password).getBytes(StandardCharsets.UTF_8));
 
             response = DmaapClientUtil.postResponsewtBasicAuth(target, encoding, data, contentType);
 
                 response = DmaapClientUtil.getResponsewtCambriaAuth(target, username, password);
             } else {
                 target = DmaapClientUtil.getTarget(clientConfig, path, username, password);
-                String encoding = Base64.encodeAsString(username + ":" + password);
+                Base64 base64 = new Base64();
+                String encoding = base64.encodeAsString((username + ":" + password).getBytes(StandardCharsets.UTF_8));
 
                 response = DmaapClientUtil.getResponsewtBasicAuth(target, encoding);
 
                 response = DmaapClientUtil.getResponsewtCambriaAuth(target, username, password);
             } else {
                 target = DmaapClientUtil.getTarget(clientConfig, path, username, password);
-                String encoding = Base64.encodeAsString(username + ":" + password);
+                Base64 base64 = new Base64();
+                String encoding = base64.encodeAsString((username + ":" + password).getBytes(StandardCharsets.UTF_8));
                 response = DmaapClientUtil.getResponsewtBasicAuth(target, encoding);
             }
             MRClientFactory.setHTTPHeadersMap(response.getHeaders());
 
 
 package org.onap.dmaap.mr.client.impl;
 
+import java.nio.charset.StandardCharsets;
 import org.apache.http.HttpException;
 import org.glassfish.jersey.client.ClientConfig;
-import org.glassfish.jersey.internal.util.Base64;
+import org.apache.commons.codec.binary.Base64;
 import org.glassfish.jersey.internal.util.collection.StringKeyIgnoreCaseMultivaluedMap;
 import org.json.JSONException;
 import org.json.JSONObject;
         Mockito.when(response.getStatus()).thenReturn(200);
         Mockito.when(response.readEntity(String.class)).thenReturn("{\"test\":\"test\"}");
         Mockito.when(response.getHeaders()).thenReturn(map);
-
+        Base64 base64 = new Base64();
         Mockito.when(DmaapClientUtil.getResponsewtBasicAuth(DmaapClientUtil.getTarget(getClientConfig(), "/path"),
-                Base64.encodeAsString("username:password"))).thenReturn(response);
+            base64.encodeAsString(("username:password").getBytes(StandardCharsets.UTF_8)))).thenReturn(response);
 
         JSONObject result = mrBaseClient.get("/path", "username", "password", "HTTPAAF");
         assertEquals(200, result.getInt("status"));
         Mockito.when(response.getStatus()).thenReturn(200);
         Mockito.when(response.readEntity(String.class)).thenReturn("{\"test\":\"test\"}");
         Mockito.when(response.getHeaders()).thenReturn(map);
-
+        Base64 base64 = new Base64();
         Mockito.when(DmaapClientUtil.getResponsewtBasicAuth(DmaapClientUtil.getTarget(getClientConfig(), "/path"),
-                Base64.encodeAsString("username:password"))).thenReturn(response);
+            base64.encodeAsString(("username:password").getBytes(StandardCharsets.UTF_8)))).thenReturn(response);
 
         mrBaseClient.getResponse("/path", "username", "password", "HTTPAAF");
         assertTrue(true);
         Mockito.when(response.getStatus()).thenReturn(200);
         Mockito.when(response.readEntity(String.class)).thenReturn("{\"test\":\"test\"}");
         Mockito.when(response.getHeaders()).thenReturn(map);
-
+        Base64 base64 = new Base64();
         Mockito.when(DmaapClientUtil.postResponsewtBasicAuth(DmaapClientUtil.getTarget(getClientConfig(), "/path"),
-                Base64.encodeAsString("username:password"), ("{\"test\":\"test\"}").getBytes(), "application/json")).thenReturn(response);
+            base64.encodeAsString(("username:password").getBytes(StandardCharsets.UTF_8)), ("{\"test\":\"test\"}").getBytes(), "application/json")).thenReturn(response);
 
         mrBaseClient.post("/path", ("{\"test\":\"test\"}").getBytes(), "application/json", "username",
                 "password", "HTTPAUTH");
     public void testPost_error() throws JSONException, HttpException {
 
         ResponseBuilder responseBuilder = Response.ok();
-        Mockito
-                .when(DmaapClientUtil.getResponsewtBasicAuth(DmaapClientUtil.getTarget(getClientConfig(), "/path"),
-                        Base64.encodeAsString("username:password")))
-                .thenReturn(
+        Base64 base64 = new Base64();
+        Mockito.when(DmaapClientUtil.getResponsewtBasicAuth(DmaapClientUtil.getTarget(getClientConfig(), "/path"),
+            base64.encodeAsString(("username:password").getBytes(StandardCharsets.UTF_8)))).thenReturn(
                         responseBuilder.header("transactionid", "transactionid").entity("{\"test\":\"test\"}").build());
 
         mrBaseClient.post("/path", ("{\"test\":\"test\"}").getBytes(), "application/json", null, null,
         Mockito.when(response.getStatus()).thenReturn(200);
         Mockito.when(response.readEntity(String.class)).thenReturn("{\"test\":\"test\"}");
         Mockito.when(response.getHeaders()).thenReturn(map);
-
+        Base64 base64 = new Base64();
         Mockito.when(DmaapClientUtil.postResponsewtBasicAuth(DmaapClientUtil.getTarget(getClientConfig(), "/path"),
-                Base64.encodeAsString("username:password"), ("{\"test\":\"test\"}").getBytes(), "application/json")).thenReturn(response);
+            base64.encodeAsString(("username:password").getBytes(StandardCharsets.UTF_8)), ("{\"test\":\"test\"}").getBytes(), "application/json")).thenReturn(response);
 
         mrBaseClient.postWithResponse("/path", ("{\"test\":\"test\"}").getBytes(), "application/json",
                 "username", "password", "HTTPAUTH");
     public void testPostWithResponse_error() throws JSONException, HttpException {
 
         ResponseBuilder responseBuilder = Response.ok();
-        Mockito
-                .when(DmaapClientUtil.getResponsewtBasicAuth(DmaapClientUtil.getTarget(getClientConfig(), "/path"),
-                        Base64.encodeAsString("username:password")))
-                .thenReturn(
-                        responseBuilder.header("transactionid", "transactionid").entity("{\"test\":\"test\"}").build());
+        Base64 base64 = new Base64();
+        Mockito.when(DmaapClientUtil.getResponsewtBasicAuth(DmaapClientUtil.getTarget(getClientConfig(), "/path"),
+            base64.encodeAsString(("username:password").getBytes(StandardCharsets.UTF_8)))).thenReturn(
+            responseBuilder.header("transactionid", "transactionid").entity("{\"test\":\"test\"}").build());
 
         mrBaseClient.postWithResponse("/path", ("{\"test\":\"test\"}").getBytes(), "application/json", null,
                 null, "HTTPAUTH");