<dependency>
             <groupId>com.mchange</groupId>
             <artifactId>c3p0</artifactId>
-            <version>0.9.5.4</version>
+            <version>0.9.5.5</version>
         </dependency>
         <dependency>
             <groupId>io.searchbox</groupId>
 
         <dependency>
             <groupId>com.opencsv</groupId>
             <artifactId>opencsv</artifactId>
-            <version>4.6</version>
+            <version>5.0</version>
         </dependency>
 
         <!-- HTTP client -->
         <dependency>
             <groupId>com.mchange</groupId>
             <artifactId>c3p0</artifactId>
-            <version>0.9.5.4</version>
+            <version>0.9.5.5</version>
         </dependency>
         <dependency>
             <groupId>io.searchbox</groupId>
         <dependency>
             <groupId>org.yaml</groupId>
             <artifactId>snakeyaml</artifactId>
-            <version>1.24</version>
+            <version>1.25</version>
         </dependency>
         <dependency>
             <groupId>org.skyscreamer</groupId>
         <dependency>
             <groupId>com.h2database</groupId>
             <artifactId>h2</artifactId>
-            <version>1.4.199</version>
+            <version>1.4.200</version>
             <scope>test</scope>
         </dependency>
         <dependency>
 
 
 package org.onap.vid.services;
 
-import com.opencsv.CSVReader;
-import org.json.JSONArray;
-import org.json.JSONObject;
-import org.onap.portalsdk.core.logging.logic.EELFLoggerDelegate;
-import org.springframework.stereotype.Service;
-import org.springframework.web.multipart.MultipartFile;
+import static org.apache.commons.lang3.exception.ExceptionUtils.rethrow;
+import static org.onap.vid.utils.Logging.getMethodName;
 
-import javax.ws.rs.BadRequestException;
+import com.opencsv.CSVReader;
 import java.io.FileReader;
 import java.io.IOException;
 import java.io.InputStreamReader;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
-
-import static org.onap.vid.utils.Logging.getMethodName;
+import javax.ws.rs.BadRequestException;
+import org.json.JSONArray;
+import org.json.JSONObject;
+import org.onap.portalsdk.core.logging.logic.EELFLoggerDelegate;
+import org.springframework.stereotype.Service;
+import org.springframework.web.multipart.MultipartFile;
 
 @Service
 public class CsvServiceImpl implements CsvService{
     }
 
 
-    private  List<String[]> readCsv(CSVReader reader) throws IOException {
+    private  List<String[]> readCsv(CSVReader reader) {
         try {
             List<String[]> myEntries = new ArrayList<>() ;
             String [] line;
         }
         catch (Exception e){
             logger.error("error during reading CSV file. exception:" + e.getMessage());
-            throw e;
+            return rethrow(e);
         }
 
     }
 
         <dependency>
             <groupId>org.yaml</groupId>
             <artifactId>snakeyaml</artifactId>
-            <version>1.14</version>
+            <version>1.25</version>
         </dependency>
         <dependency>
             <groupId>joda-time</groupId>