[ https://issues.apache.org/jira/browse/HBASE-11396?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ted Yu updated HBASE-11396: --------------------------- Resolution: Fixed Fix Version/s: 0.98.4 0.99.0 Hadoop Flags: Reviewed Status: Resolved (was: Patch Available) Integrated to 0.98 and trunk. Thanks for the patch, Craig. > Invalid meta entries can lead to unstartable master > --------------------------------------------------- > > Key: HBASE-11396 > URL: https://issues.apache.org/jira/browse/HBASE-11396 > Project: HBase > Issue Type: Bug > Components: master > Affects Versions: 0.98.3 > Reporter: Craig Condit > Fix For: 0.99.0, 0.98.4 > > Attachments: HBASE-11396-v1.patch > > > Recently I accidentally kill -9'd all regionservers in my cluster (don't > ask.. not my finest moment). > This let to some corruption of the meta table, causing the following > exception to be output on the HBase Master during startup, and culminating > with the Master aborting: > {noformat} > java.lang.IllegalArgumentException: Wrong length: 13, expected 8 > at > org.apache.hadoop.hbase.util.Bytes.explainWrongLengthOrOffset(Bytes.java:600) > at org.apache.hadoop.hbase.util.Bytes.toLong(Bytes.java:578) > at > org.apache.hadoop.hbase.HRegionInfo.getServerName(HRegionInfo.java:1059) > at > org.apache.hadoop.hbase.HRegionInfo.getHRegionInfoAndServerName(HRegionInfo.java:987) > at > org.apache.hadoop.hbase.master.AssignmentManager.rebuildUserRegions(AssignmentManager.java:2678) > at > org.apache.hadoop.hbase.master.AssignmentManager.joinCluster(AssignmentManager.java:465) > at > org.apache.hadoop.hbase.master.HMaster.finishInitialization(HMaster.java:910) > at org.apache.hadoop.hbase.master.HMaster.run(HMaster.java:615) > at java.lang.Thread.run(Thread.java:744) > {noformat} > No tools that I am aware of were able to clean this up. I added a short patch > to catch and log this exception and return null from > HRegionInfo.getServerName(). This allowed for startup of the cluster, and > hbase hbck to repair the damage. > Creating ticket to submit patch in case anyone else finds this useful. -- This message was sent by Atlassian JIRA (v6.2#6252)