Fix critical sonar for ONAP-PAP-REST

This patch is to fix error-handling sonar issue
for ONAP-PAP-REST.

Change-Id: Ic5755cc02f282938d098c3a5c9e869318429c2c6
Issue-Id: POLICY-174
Signed-off-by: Guo Ruijing <ruijing.guo@intel.com>

6 files changed, 15 insertions, 12 deletions

diff --git a/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/XACMLPapServlet.java b/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/XACMLPapServlet.java
index e11538c4e..f4c06c37e 100644
--- a/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/XACMLPapServlet.java
+++ b/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/XACMLPapServlet.java
@@ -1092,7 +1092,7 @@ public class XACMLPapServlet extends HttpServlet implements StdItemSetChangeList
 			String message = "DELETE interface called for PAP " + papResourceName + " but it has an Administrative"
 					+ " state of " + im.getStateManager().getAdminState()
 					+ "\n Exception Message: " + ae.getMessage();
-			LOGGER.info(message);
+			LOGGER.info(message, ae);
 			PolicyLogger.error(MessageCodes.ERROR_SYSTEM_ERROR + " " + message);
 			loggingContext.transactionEnded();
 			PolicyLogger.audit("Transaction Failed - See Error.log");
@@ -1102,7 +1102,7 @@ public class XACMLPapServlet extends HttpServlet implements StdItemSetChangeList
 			String message = "PUT interface called for PAP " + papResourceName + " but it has a Standby Status"
 					+ " of " + im.getStateManager().getStandbyStatus()
 					+ "\n Exception Message: " + se.getMessage();
-			LOGGER.info(message);
+			LOGGER.info(message, se);
 			PolicyLogger.error(MessageCodes.ERROR_SYSTEM_ERROR + " " + message);
 			loggingContext.transactionEnded();
 			PolicyLogger.audit("Transaction Failed - See Error.log");
diff --git a/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/components/ClosedLoopPolicy.java b/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/components/ClosedLoopPolicy.java
index 3355fab85..2a5e9d3dd 100644
--- a/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/components/ClosedLoopPolicy.java
+++ b/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/components/ClosedLoopPolicy.java
@@ -76,7 +76,7 @@ public class ClosedLoopPolicy extends Policy {
 					//Remove the trapMaxAge in Verification Signature
 					body = body.replace(",\"trapMaxAge\":null", "");
 				}catch(Exception e){
-					LOGGER.debug("No Trap Max Age in JSON body");
+					LOGGER.debug("No Trap Max Age in JSON body", e);
 				}
 				this.policyAdapter.setJsonBody(body);
 			} catch (Exception e) {
diff --git a/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/components/ConfigPolicy.java b/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/components/ConfigPolicy.java
index 1b29c0369..02ba2ef14 100644
--- a/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/components/ConfigPolicy.java
+++ b/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/components/ConfigPolicy.java
@@ -179,11 +179,8 @@ public class ConfigPolicy extends Policy {
 			XMLReader reader = parser.getXMLReader();
 			reader.setErrorHandler(new XMLErrorHandler());
 			reader.parse(new InputSource(new StringReader(data)));
-		} catch (ParserConfigurationException e) {
-			return false;
-		} catch (SAXException e) {
-			return false;
-		} catch (IOException e) {
+		} catch (ParserConfigurationException | SAXException | IOException e) {
+			LOGGER.debug(e);
 			return false;
 		}
 		return true;
diff --git a/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/components/CreateBrmsParamPolicy.java b/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/components/CreateBrmsParamPolicy.java
index 923e528fa..5abe7ce10 100644
--- a/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/components/CreateBrmsParamPolicy.java
+++ b/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/components/CreateBrmsParamPolicy.java
@@ -231,6 +231,7 @@ public class CreateBrmsParamPolicy extends Policy {
 								line = line.split("\\/\\*")[0]
 										+ line.split("\\*\\/")[1].replace("*/", "");
 							} catch (Exception e) {
+								LOGGER.debug(e);
 								line = line.split("\\/\\*")[0];
 							}
 						} else {
@@ -242,6 +243,7 @@ public class CreateBrmsParamPolicy extends Policy {
 						try {
 							line = line.split("\\*\\/")[1].replace("*/", "");
 						} catch (Exception e) {
+							LOGGER.debug(e);
 							line = "";
 						}
 					}
@@ -275,6 +277,7 @@ public class CreateBrmsParamPolicy extends Policy {
 					try {
 						nextComponent = components[i + 1];
 					} catch (Exception e) {
+						LOGGER.debug(e);
 						nextComponent = components[i];
 					}
 					//If the type is of type String then we add the UI Item and type to the map. 
diff --git a/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/components/CreateNewMicroServiceModel.java b/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/components/CreateNewMicroServiceModel.java
index fd9e49c7e..aad70e5dd 100644
--- a/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/components/CreateNewMicroServiceModel.java
+++ b/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/components/CreateNewMicroServiceModel.java
@@ -90,7 +90,7 @@ public class CreateNewMicroServiceModel {
 				File deleteFile = new File(cleanUpFile); 
 				FileUtils.forceDelete(deleteFile);
 			} catch (IOException e) {
-				logger.error("Failed to unzip model file " + randomID);
+				logger.error("Failed to unzip model file " + randomID, e);
 			}
 	    }else {
 		    tempMap = utils.processEpackage("ExtractDir" + File.separator + randomID+".xmi", MODEL_TYPE.XMI);
diff --git a/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/components/PolicyDBDao.java b/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/components/PolicyDBDao.java
index 98c8137de..d2ed1ad51 100644
--- a/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/components/PolicyDBDao.java
+++ b/ONAP-PAP-REST/src/main/java/org/onap/policy/pap/xacml/rest/components/PolicyDBDao.java
@@ -212,7 +212,7 @@ public class PolicyDBDao {
 
 		} catch(Exception e){
 			PolicyLogger.error(MessageCodes.EXCEPTION_ERROR, e, "PolicyDBDao", "Exception querying for other registered PolicyDBDaos");
-			logger.warn("List of remote PolicyDBDaos will be empty");
+			logger.warn("List of remote PolicyDBDaos will be empty", e);
 		}
 		try{
 			em.getTransaction().commit();
@@ -220,7 +220,7 @@ public class PolicyDBDao {
 			try{
 				em.getTransaction().rollback();
 			} catch(Exception e2){
-
+				logger.debug("List of remote PolicyDBDaos will be empty", e2);
 			}
 		}
 		em.close();
@@ -500,6 +500,7 @@ public class PolicyDBDao {
 					ourUrl = splitPapUrlUserPass((String)o)[0];
 				}catch(Exception e){
 					ourUrl = o;
+					logger.debug(e);
 				}
 				if(o == null){
 					o = "undefined";
@@ -867,6 +868,7 @@ public class PolicyDBDao {
             }
         } catch(Exception e){
             nameAndVersion[0] = originalPolicyName;         
+            logger.debug(e);
         }
         try{
             nameAndVersion[1] = policyName.substring(policyName.lastIndexOf('.')+1);
@@ -875,6 +877,7 @@ public class PolicyDBDao {
             }
         } catch(Exception e){
             nameAndVersion[1] = "1";
+            logger.debug(e);
         }
         return nameAndVersion;
     }
@@ -2795,4 +2798,4 @@ public class PolicyDBDao {
         }
 	}
 
-}
\ No newline at end of file
+}