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From "Jonathan Hsieh (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-5835) [hbck] Catch and handle NotServingRegionException when close region attempt fails
Date Thu, 19 Apr 2012 22:48:40 GMT
[hbck] Catch and handle NotServingRegionException when close region attempt fails
---------------------------------------------------------------------------------

                 Key: HBASE-5835
                 URL: https://issues.apache.org/jira/browse/HBASE-5835
             Project: HBase
          Issue Type: Bug
          Components: hbck
    Affects Versions: 0.90.7, 0.92.2, 0.94.0, 0.96.0
            Reporter: Jonathan Hsieh


Currently, if hbck attempts to close a region and catches a NotServerRegionException, hbck
may hang outputting a stack trace.  Since the goal is to close the region at a particular
server, and since it is not serving the region, the region is closed, and we should just warn
and eat this exception.

{code}
Exception in thread "main" org.apache.hadoop.ipc.RemoteException: org.apache.hadoop.hbase.NotServingRegionException:
Received close for <regionid> but we are not serving it
at org.apache.hadoop.hbase.regionserver.HRegionServer.closeRegion(HRegionServer.java:2162)
at sun.reflect.GeneratedMethodAccessor36.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.hadoop.hbase.ipc.HBaseRPC$Server.call(HBaseRPC.java:570)
at org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:1039)

at org.apache.hadoop.hbase.ipc.HBaseClient.call(HBaseClient.java:771)
at org.apache.hadoop.hbase.ipc.HBaseRPC$Invoker.invoke(HBaseRPC.java:257)
at $Proxy5.closeRegion(Unknown Source)
at org.apache.hadoop.hbase.util.HBaseFsckRepair.closeRegionSilentlyAndWait(HBaseFsckRepair.java:165)
at org.apache.hadoop.hbase.util.HBaseFsck.closeRegion(HBaseFsck.java:1185)
at org.apache.hadoop.hbase.util.HBaseFsck.checkRegionConsistency(HBaseFsck.java:1302)
at org.apache.hadoop.hbase.util.HBaseFsck.checkAndFixConsistency(HBaseFsck.java:1065)
at org.apache.hadoop.hbase.util.HBaseFsck.onlineConsistencyRepair(HBaseFsck.java:351)
at org.apache.hadoop.hbase.util.HBaseFsck.onlineHbck(HBaseFsck.java:370)
at org.apache.hadoop.hbase.util.HBaseFsck.main(HBaseFsck.java:3001)
{code}

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