From f68c7133cfac0752d96fa130223f92d5bc0b1690 Mon Sep 17 00:00:00 2001
From: manoj <manojg@wwso2.com>
Date: Fri, 29 May 2015 19:56:29 +0530
Subject: [PATCH] Check null before close connection

---
 .../mgt/dao/OperationManagementDAOFactory.java       | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/operation/mgt/dao/OperationManagementDAOFactory.java b/components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/operation/mgt/dao/OperationManagementDAOFactory.java
index 117420ca87a..ee6b7357001 100644
--- a/components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/operation/mgt/dao/OperationManagementDAOFactory.java
+++ b/components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/operation/mgt/dao/OperationManagementDAOFactory.java
@@ -94,12 +94,14 @@ public class OperationManagementDAOFactory {
     public static void closeConnection() throws OperationManagementDAOException {
 
         Connection con = currentConnection.get();
-        try {
-            con.close();
-        } catch (SQLException e) {
-            log.error("Error occurred while close the connection");
+        if (con != null) {
+            try {
+                con.close();
+            } catch (SQLException e) {
+                log.error("Error occurred while close the connection");
+            }
+            currentConnection.remove();
         }
-        currentConnection.remove();
     }
 
     public static void commitTransaction() throws OperationManagementDAOException {