[findbugs] Fix null pointer warnings. -------------------------------------
Key: HBASE-5644 URL: https://issues.apache.org/jira/browse/HBASE-5644 Project: HBase Issue Type: Sub-task Reporter: Jonathan Hsieh See https://builds.apache.org/job/PreCommit-HBASE-Build/1313//artifact/trunk/patchprocess/newPatchFindbugsWarnings.html Fix the NP category -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira