NPE in Master after upgrading to 0.92.0 ---------------------------------------
Key: HBASE-5279 URL: https://issues.apache.org/jira/browse/HBASE-5279 Project: HBase Issue Type: Bug Components: master Affects Versions: 0.92.0 Reporter: Tobias Herbert Priority: Critical I have upgraded my environment from 0.90.4 to 0.92.0 after the table migration I get the following error in the master (permanent) {noformat} 2012-01-25 18:23:48,648 FATAL master-namenode,60000,1327512209588 org.apache.hadoop.hbase.master.HMaster - Unhandled exception. Starting shutdown. java.lang.NullPointerException at org.apache.hadoop.hbase.master.AssignmentManager.rebuildUserRegions(AssignmentManager.java:2190) at org.apache.hadoop.hbase.master.AssignmentManager.joinCluster(AssignmentManager.java:323) at org.apache.hadoop.hbase.master.HMaster.finishInitialization(HMaster.java:501) at org.apache.hadoop.hbase.master.HMaster.run(HMaster.java:326) at java.lang.Thread.run(Thread.java:662) 2012-01-25 18:23:48,650 INFO namenode,60000,1327512209588 org.apache.hadoop.hbase.master.HMaster - Aborting {noformat} I think that's because I had a hard crash in the cluster a while ago - and the following WARN since then {noformat} 2012-01-25 21:20:47,121 WARN namenode,60000,1327513078123-CatalogJanitor org.apache.hadoop.hbase.master.CatalogJanitor - REGIONINFO_QUALIFIER is empty in keyvalues={emails,,xxx./info:server/1314336400471/Put/vlen=38, emails,,1314189353300.xxx./info:serverstartcode/1314336400471/Put/vlen=8} {noformat} my patch was simple to go around the NPE (as the other code around the lines) but I don't know if that's correct -- 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