Code format

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/platform/trunk@178164 a5903396-d722-0410-b921-86c7d4935375
Fix error handling

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/platform/trunk@178165 a5903396-d722-0410-b921-86c7d4935375
Fix error handling

git-svn-id: https://svn.wso2.org/repos/wso2/carbon/platform/trunk@178166 a5903396-d722-0410-b921-86c7d4935375