Sarita : Done changes to 1. remove Lookup for ITMDBAccessEJB and created object and  2. use connection method of ITMDBAccessEJB for calling getErrorString 

git-svn-id: http://15.206.35.175/svn/proteus/business-java/trunk@187969 ce508802-f39f-4f6c-b175-0d175dae99d5