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From "Jonathan Hsieh (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-7651) RegionServerSnapshotManager does not accept subsquent snapshots if previous fails with NotServingRegionException.
Date Wed, 23 Jan 2013 21:59:12 GMT
Jonathan Hsieh created HBASE-7651:
-------------------------------------

             Summary: RegionServerSnapshotManager does not accept subsquent snapshots if previous
fails with NotServingRegionException.
                 Key: HBASE-7651
                 URL: https://issues.apache.org/jira/browse/HBASE-7651
             Project: HBase
          Issue Type: Sub-task
          Components: snapshots
    Affects Versions: hbase-7290
            Reporter: Jonathan Hsieh
            Priority: Blocker


I've reproduced this problem consistently on a 20 node cluster.

The first run fails on a node (jon-snaphots-2 in this case) to take snapshot due to a NotServingRegionException
(this is acceptable)

{code}
2013-01-23 13:32:48,631 DEBUG org.apache.hadoop.hbase.errorhandling.ForeignExceptionDispatcher:
 accepting received exception
org.apache.hadoop.hbase.errorhandling.ForeignException$ProxyThrowable via jon-snapshots-2.ent.cloudera.com,22101,1358976524369:org.apache.hadoop.hbase.errorhandling.ForeignException$ProxyThrowable:
org.apache.hadoop.hbase.NotServingRegionException: TestTable,0002493652,1358976652443.b858147ad87a7812ac9a73dd8fef36ad.
is closing
        at org.apache.hadoop.hbase.errorhandling.ForeignException.deserialize(ForeignException.java:184)
        at org.apache.hadoop.hbase.procedure.ZKProcedureCoordinatorRpcs.abort(ZKProcedureCoordinatorRpcs.java:240)
        at org.apache.hadoop.hbase.procedure.ZKProcedureCoordinatorRpcs$1.nodeCreated(ZKProcedureCoordinatorRpcs.java:182)
        at org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher.process(ZooKeeperWatcher.java:294)
        at org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:519)
        at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:495)
Caused by: org.apache.hadoop.hbase.errorhandling.ForeignException$ProxyThrowable: org.apache.hadoop.hbase.NotServingRegionException:
TestTable,0002493652,1358976652443.b858147ad87a7812ac9a73dd8fef36ad. is closing
        at org.apache.hadoop.hbase.regionserver.snapshot.RegionServerSnapshotManager$SnapshotSubprocedurePool.waitForOutstandingTasks(RegionServerSnapshotManager.java:343)
        at org.apache.hadoop.hbase.regionserver.snapshot.FlushSnapshotSubprocedure.flushSnapshot(FlushSnapshotSubprocedure.java:107)
        at org.apache.hadoop.hbase.regionserver.snapshot.FlushSnapshotSubprocedure.insideBarrier(FlushSnapshotSubprocedure.java:123)
        at org.apache.hadoop.hbase.procedure.Subprocedure.call(Subprocedure.java:181)
        at org.apache.hadoop.hbase.procedure.Subprocedure.call(Subprocedure.java:52)
        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
        at java.util.concurrent.FutureTask.run(FutureTask.java:138)
        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
        at java.lang.Thread.run(Thread.java:662)
2013-01-23 13:32:48,631 DEBUG org.apache.hadoop.hbase.errorhandling.ForeignExceptionDispatcher:
 Recieved error, notifying listeners...
2013-01-23 13:32:48,730 ERROR org.apache.hadoop.hbase.procedure.Procedure: Procedure 'pe-6'
execution failed!
org.apache.hadoop.hbase.errorhandling.ForeignException$ProxyThrowable via jon-snapshots-2.ent.cloudera.com,22101,1358976524369:org.apache.hadoop.hbase.errorhandling.ForeignException$ProxyThrowable:
org.apache.hadoop.hbase.NotServingRegionException: TestTable,0002493652,1358976652443.b858147ad87a7812ac9a73dd8fef36ad.
is closing
        at org.apache.hadoop.hbase.errorhandling.ForeignExceptionDispatcher.rethrowException(ForeignExceptionDispatcher.java:84)
        at org.apache.hadoop.hbase.procedure.Procedure.waitForLatch(Procedure.java:357)
        at org.apache.hadoop.hbase.procedure.Procedure.call(Procedure.java:203)
        at org.apache.hadoop.hbase.procedure.Procedure.call(Procedure.java:68)
        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
        at java.util.concurrent.FutureTask.run(FutureTask.java:138)
        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
        at java.lang.Thread.run(Thread.java:662)
Caused by: org.apache.hadoop.hbase.errorhandling.ForeignException$ProxyThrowable: org.apache.hadoop.hbase.NotServingRegionException:
TestTable,0002493652,1358976652443.b858147ad87a7812ac9a73dd8fef36ad. is closing
        at org.apache.hadoop.hbase.regionserver.snapshot.RegionServerSnapshotManager$SnapshotSubprocedurePool.waitForOutstandingTasks(RegionServerSnapshotManager.java:343)
        at org.apache.hadoop.hbase.regionserver.snapshot.FlushSnapshotSubprocedure.flushSnapshot(FlushSnapshotSubprocedure.java:107)
        at org.apache.hadoop.hbase.regionserver.snapshot.FlushSnapshotSubprocedure.insideBarrier(FlushSnapshotSubprocedure.java:123)
        at org.apache.hadoop.hbase.procedure.Subprocedure.call(Subprocedure.java:181)
        at org.apache.hadoop.hbase.procedure.Subprocedure.call(Subprocedure.java:52)
        ... 5 more
{code}

Subsequent snapshot attempts that require jon-snapshot-2 to participate fail like this:

{code}
org.apache.hadoop.hbase.errorhandling.ForeignException$ProxyThrowable via jon-snapshots-2.ent.cloudera.com,22101,1358976524369:org.apache.hadoop.hbase.errorhandling.ForeignException$ProxyThrowable:
java.util.concurrent.CancellationException
        at org.apache.hadoop.hbase.errorhandling.ForeignException.deserialize(ForeignException.java:184)
        at org.apache.hadoop.hbase.procedure.ZKProcedureCoordinatorRpcs.abort(ZKProcedureCoordinatorRpcs.java:240)
        at org.apache.hadoop.hbase.procedure.ZKProcedureCoordinatorRpcs$1.nodeCreated(ZKProcedureCoordinatorRpcs.java:182)
        at org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher.process(ZooKeeperWatcher.java:294)
        at org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:519)
        at org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:495)
Caused by: org.apache.hadoop.hbase.errorhandling.ForeignException$ProxyThrowable: java.util.concurrent.CancellationException
        at org.apache.hadoop.hbase.procedure.Subprocedure.cancel(Subprocedure.java:270)
        at org.apache.hadoop.hbase.procedure.Subprocedure.call(Subprocedure.java:202)
        at org.apache.hadoop.hbase.procedure.Subprocedure.call(Subprocedure.java:52)
        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
        at java.util.concurrent.FutureTask.run(FutureTask.java:138)
        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
        at java.lang.Thread.run(Thread.java:662)
2013-01-23 13:32:59,557 DEBUG org.apache.hadoop.hbase.errorhandling.ForeignExceptionDispatcher:
 Recieved error, notifying listeners...
2013-01-23 13:32:59,810 ERROR org.apache.hadoop.hbase.procedure.Procedure: Procedure 'pe-7'
execution failed!
org.apache.hadoop.hbase.errorhandling.ForeignException$ProxyThrowable via jon-snapshots-2.ent.cloudera.com,22101,1358976524369:org.apache.hadoop.hbase.errorhandling.ForeignException$ProxyThrowable:
java.util.concurrent.CancellationException
        at org.apache.hadoop.hbase.errorhandling.ForeignExceptionDispatcher.rethrowException(ForeignExceptionDispatcher.java:84)
        at org.apache.hadoop.hbase.procedure.Procedure.waitForLatch(Procedure.java:357)
        at org.apache.hadoop.hbase.procedure.Procedure.call(Procedure.java:203)
        at org.apache.hadoop.hbase.procedure.Procedure.call(Procedure.java:68)
        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
        at java.util.concurrent.FutureTask.run(FutureTask.java:138)
        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
        at java.lang.Thread.run(Thread.java:662)
Caused by: org.apache.hadoop.hbase.errorhandling.ForeignException$ProxyThrowable: java.util.concurrent.CancellationException
        at org.apache.hadoop.hbase.procedure.Subprocedure.cancel(Subprocedure.java:270)
        at org.apache.hadoop.hbase.procedure.Subprocedure.call(Subprocedure.java:202)
        at org.apache.hadoop.hbase.procedure.Subprocedure.call(Subprocedure.java:52)
        ... 5 more
{code}

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