Added fix for potential nullpointerexception

Added fix for potential nullpointerexception and added error log reported in sonarqube

Issue-ID: MUSIC-119
Change-Id: I13b3b13b1caa209c0f9ff9f19b38a62c4486c2fe
Signed-off-by: Chandan Ghosh <cghosh12@in.ibm.com>

2 files changed, 14 insertions, 9 deletions

diff --git a/src/main/java/org/onap/music/lockingservice/ZkStatelessLockService.java b/src/main/java/org/onap/music/lockingservice/ZkStatelessLockService.java
index 5f9c07ee..b09668b7 100644
--- a/src/main/java/org/onap/music/lockingservice/ZkStatelessLockService.java
+++ b/src/main/java/org/onap/music/lockingservice/ZkStatelessLockService.java
@@ -298,7 +298,7 @@ public class ZkStatelessLockService extends ProtocolSupport {
                         try {
                             stat = zookeeper.exists(id, false);
                         } catch (KeeperException | InterruptedException e1) {
-                            e1.printStackTrace();
+                            logger.error(EELFLoggerDelegate.errorLogger, "Error in execute: " + e1);
                         }
                         Long ctime = stat.getCtime();
                         MusicUtil.zkNodeMap.put(id, ctime);
@@ -310,7 +310,7 @@ public class ZkStatelessLockService extends ProtocolSupport {
                             pQuery.addValue(MusicUtil.convertToActualDataType(DataType.text(), ctime));
                             MusicCore.eventualPut(pQuery);
                         } catch (Exception e) {
-                               e.printStackTrace();
+                        	logger.error(EELFLoggerDelegate.errorLogger, "Error in execute: " + e);
                         }
                         break;
                    }
diff --git a/src/main/java/org/onap/music/rest/RestMusicAdminAPI.java b/src/main/java/org/onap/music/rest/RestMusicAdminAPI.java
index 48f28f8c..937ec77a 100755
--- a/src/main/java/org/onap/music/rest/RestMusicAdminAPI.java
+++ b/src/main/java/org/onap/music/rest/RestMusicAdminAPI.java
@@ -506,19 +506,24 @@ public class RestMusicAdminAPI {
 			logger.info(operation+ ": Operation :: changeValue: "+changeValueMap);
 			if(operation.equals("update")) {
 				String notifyWhenChangeIn = baseRequestObj.getNotifyWhenChangeIn(); // conductor.plans.status
-				if(field_value.equals(notifyWhenChangeIn)) {
-					notifyCallBackAppl(jsonResponse, baseRequestObj);
+				if(null!=field_value) {
+					if(field_value.equals(notifyWhenChangeIn)) {
+						notifyCallBackAppl(jsonResponse, baseRequestObj);
+					}
 				}
-				
 			} else if(operation.equals("delete")) {
 				String notifyWhenDeletesIn = baseRequestObj.getNotifyWhenDeletesIn(); // conductor.plans.status
-				if(field_value.equals(notifyWhenDeletesIn)) {
-					notifyCallBackAppl(jsonResponse, baseRequestObj);
+				if(null!=field_value) {
+					if(field_value.equals(notifyWhenDeletesIn)) {
+						notifyCallBackAppl(jsonResponse, baseRequestObj);
+					}
 				}
 			} else if(operation.equals("insert")) {
 				String notifyWhenInsertsIn = baseRequestObj.getNotifyWhenInsertsIn(); // conductor.plans.status
-				if(field_value.equals(notifyWhenInsertsIn)) {
-					notifyCallBackAppl(jsonResponse, baseRequestObj);
+				if(null!=field_value) {
+					if(field_value.equals(notifyWhenInsertsIn)) {
+						notifyCallBackAppl(jsonResponse, baseRequestObj);
+					}
 				}
 			}
 			MusicCore.releaseLock(lockId, true);