https://jira.talendforge.org/browse/TDQ-8620 Fix Bug TDQ-8838 should not create Tez tasks when expand the structure of Stinger or select columns from Stinger in the analysis editor https://jira.talendforge.org/browse/TDQ-8838 modify the method ConnectionUtils.closeConnection(), ensure closing the connection correctly git-svn-id: http://talendforge.org/svn/tos/trunk@116196 f6f1c999-d317-4740-80b0-e6d1abc6f99e