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Jonathan Hsieh commented on HBASE-4866: --------------------------------------- Looks like it corresponds to this line which is AssignmentManager:724 on the 0.90 branch {code} HServerInfo hsiWithoutLoad = new HServerInfo( serverInfo.getServerAddress(), serverInfo.getStartCode(), serverInfo.getInfoPort(), serverInfo.getHostname()); {code} > Fix possible NPE in AssignmentManager#regionOnline > -------------------------------------------------- > > Key: HBASE-4866 > URL: https://issues.apache.org/jira/browse/HBASE-4866 > Project: HBase > Issue Type: Bug > Components: master > Affects Versions: 0.90.4 > Reporter: Jonathan Hsieh > > NPE encountered in users's HMaster logs: > {code} > 11/11/22 23:45:37 FATAL master.HMaster: Unhandled exception. Starting > shutdown. > java.lang.NullPointerException > at > org.apache.hadoop.hbase.master.AssignmentManager.regionOnline(AssignmentManager.java:731) > at > org.apache.hadoop.hbase.master.AssignmentManager.processFailover(AssignmentManager.java:215) > at > org.apache.hadoop.hbase.master.HMaster.finishInitialization(HMaster.java:422) > at org.apache.hadoop.hbase.master.HMaster.run(HMaster.java:295) > {code} > From user list: > http://mail-archives.apache.org/mod_mbox/hbase-user/201111.mbox/%3C4ECC9AFC.6030307%40qualtrics.com%3E -- 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