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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-10852) TestDistributedLogSplitting#testDisallowWritesInRecovering occasionally fails
Date Thu, 27 Mar 2014 18:33:14 GMT
Ted Yu created HBASE-10852:
------------------------------

             Summary: TestDistributedLogSplitting#testDisallowWritesInRecovering occasionally
fails
                 Key: HBASE-10852
                 URL: https://issues.apache.org/jira/browse/HBASE-10852
             Project: HBase
          Issue Type: Test
            Reporter: Ted Yu
            Assignee: Ted Yu
         Attachments: 10852-v1.txt

Here was the failure:
{code}
java.lang.AssertionError: No RegionInRecoveryException. Following exceptions returned=[org.apache.hadoop.hbase.NotServingRegionException:
org.apache.hadoop.hbase.NotServingRegionException: Region hbase:meta,,1 is not online on c64-s12.cs1cloud.internal,52861,1395905929889
	at org.apache.hadoop.hbase.regionserver.HRegionServer.getRegionByEncodedName(HRegionServer.java:2676)
	at org.apache.hadoop.hbase.regionserver.HRegionServer.getRegion(HRegionServer.java:4095)
	at org.apache.hadoop.hbase.regionserver.HRegionServer.get(HRegionServer.java:2826)
	at org.apache.hadoop.hbase.protobuf.generated.ClientProtos$ClientService$2.callBlockingMethod(ClientProtos.java:28857)
	at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2008)
	at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:92)
	at org.apache.hadoop.hbase.ipc.SimpleRpcScheduler.consumerLoop(SimpleRpcScheduler.java:160)
	at org.apache.hadoop.hbase.ipc.SimpleRpcScheduler.access$000(SimpleRpcScheduler.java:38)
	at org.apache.hadoop.hbase.ipc.SimpleRpcScheduler$1.run(SimpleRpcScheduler.java:110)
	at java.lang.Thread.run(Thread.java:722)
]
	at org.junit.Assert.fail(Assert.java:88)
	at org.junit.Assert.assertTrue(Assert.java:41)
	at org.apache.hadoop.hbase.master.TestDistributedLogSplitting.testDisallowWritesInRecovering(TestDistributedLogSplitting.java:924)
{code}
Here was the cause:
{code}
2014-03-27 00:39:01,398 DEBUG [RS_OPEN_META-c64-s12:44281-0] handler.OpenRegionHandler(179):
Opened hbase:meta,,1.1588230740 on c64-s12.cs1cloud.internal,44281,1395905929927
2014-03-27 00:39:01,405 DEBUG [Thread-2811-EventThread] zookeeper.ZooKeeperWatcher(310): master:32796-0x1450278b68f01cc,
quorum=localhost:50923, baseZNode=/hbase Received ZooKeeper Event, type=NodeDeleted, state=SyncConnected,
path=/hbase/region-in-transition/1588230740
2014-03-27 00:39:01,405 DEBUG [Thread-2811-EventThread] zookeeper.ZooKeeperWatcher(310): master:32796-0x1450278b68f01cc,
quorum=localhost:50923, baseZNode=/hbase Received ZooKeeper Event, type=NodeChildrenChanged,
state=SyncConnected, path=/hbase/region-in-transition
2014-03-27 00:39:01,406 DEBUG [AM.ZK.Worker-pool1213-t19] zookeeper.ZKAssign(480): master:32796-0x1450278b68f01cc,
quorum=localhost:50923, baseZNode=/hbase Deleted unassigned node 1588230740 in expected state
RS_ZK_REGION_OPENED
2014-03-27 00:39:01,406 DEBUG [AM.ZK.Worker-pool1213-t19] master.AssignmentManager$4(1186):
Znode hbase:meta,,1.1588230740 deleted, state: {1588230740 state=OPEN, ts=1395905941397, server=c64-s12.cs1cloud.internal,44281,1395905929927}
2014-03-27 00:39:01,406 INFO  [AM.ZK.Worker-pool1213-t19] master.RegionStates(413): Onlined
1588230740 on c64-s12.cs1cloud.internal,44281,1395905929927
2014-03-27 00:39:01,406 INFO  [AM.ZK.Worker-pool1213-t19] master.RegionStates(417): Offlined
1588230740 from c64-s12.cs1cloud.internal,52861,1395905929889
2014-03-27 00:39:01,547 WARN  [Thread-2811] client.ConnectionManager$HConnectionImplementation(1221):
Encountered problems when prefetch hbase:meta table: 
org.apache.hadoop.hbase.client.RetriesExhaustedException: Failed after attempts=1, exceptions:
Thu Mar 27 00:39:01 PDT 2014, org.apache.hadoop.hbase.client.RpcRetryingCaller@23136717, org.apache.hadoop.hbase.NotServingRegionException:
org.apache.hadoop.hbase.NotServingRegionException: Region hbase:meta,,1 is not online on c64-s12.cs1cloud.internal,52861,1395905929889
{code}
hbase:meta was moving but client didn't retry (attempts=1).

Thanks to Jeff who helped identify the issue.



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