Closed the possible resource leaks

git-svn-id: https://svn.wso2.org/repos/wso2/trunk/tools@188586 a5903396-d722-0410-b921-86c7d4935375
Applying a patch from Sohani for fixing TOOLS-2040

git-svn-id: https://svn.wso2.org/repos/wso2/trunk/tools@188587 a5903396-d722-0410-b921-86c7d4935375