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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-8931) TestTableLockManager.testTableReadLock fails
Date Thu, 11 Jul 2013 22:03:48 GMT
stack created HBASE-8931:
----------------------------

             Summary: TestTableLockManager.testTableReadLock fails
                 Key: HBASE-8931
                 URL: https://issues.apache.org/jira/browse/HBASE-8931
             Project: HBase
          Issue Type: Bug
          Components: test
            Reporter: stack
            Assignee: stack
             Fix For: 0.95.2


See http://54.241.6.143/job/HBase-0.95-Hadoop-2/org.apache.hbase$hbase-server/602/testReport/org.apache.hadoop.hbase.master/TestTableLockManager/testTableReadLock/

When we run tests, they run w/ assertions enabled so we can stuff like this:

{code}
2013-07-11 08:55:40,781 INFO  [RpcServer.handler=0,port=51447] regionserver.HRegionServer(3619):
Splitting testTableReadLock,85203ae86f2de2662ca5b6d614fbe495-4672,1373532936861.f17cc40a225b8de3797757dc3b05dde3.
2013-07-11 08:55:40,782 ERROR [RpcServer.handler=0,port=51447] ipc.RpcServer(2161): Unexpected
throwable object 
java.lang.AssertionError: getSplitPoint() called on a region that can't split!
	at org.apache.hadoop.hbase.regionserver.HStore.getSplitPoint(HStore.java:1587)
	at org.apache.hadoop.hbase.regionserver.RegionSplitPolicy.getSplitPoint(RegionSplitPolicy.java:81)
	at org.apache.hadoop.hbase.regionserver.HRegion.checkSplit(HRegion.java:5311)
	at org.apache.hadoop.hbase.regionserver.HRegionServer.splitRegion(HRegionServer.java:3626)
	at org.apache.hadoop.hbase.protobuf.generated.AdminProtos$AdminService$2.callBlockingMethod(AdminProtos.java:14396)
	at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2124)
	at org.apache.hadoop.hbase.ipc.RpcServer$Handler.run(RpcServer.java:1831)
2013-07-11 08:55:40,816 DEBUG [Split thread] catalog.CatalogTracker(208): Stopping catalog
tracker org.apache.hadoop.hbase.catalog.CatalogTracker@25e0df1b
2013-07-11 08:55:40,833 WARN  [Split thread] master.TestTableLockManager$7(382): Caught exception
java.io.IOException: java.io.IOException: getSplitPoint() called on a region that can't split!
	at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2162)
	at org.apache.hadoop.hbase.ipc.RpcServer$Handler.run(RpcServer.java:1831)
Caused by: java.lang.AssertionError: getSplitPoint() called on a region that can't split!
	at org.apache.hadoop.hbase.regionserver.HStore.getSplitPoint(HStore.java:1587)
	at org.apache.hadoop.hbase.regionserver.RegionSplitPolicy.getSplitPoint(RegionSplitPolicy.java:81)
	at org.apache.hadoop.hbase.regionserver.HRegion.checkSplit(HRegion.java:5311)
	at org.apache.hadoop.hbase.regionserver.HRegionServer.splitRegion(HRegionServer.java:3626)
	at org.apache.hadoop.hbase.protobuf.generated.AdminProtos$AdminService$2.callBlockingMethod(AdminProtos.java:14396)
	at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2124)
	... 1 more

	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
	at org.apache.hadoop.ipc.RemoteException.instantiateException(RemoteException.java:90)
	at org.apache.hadoop.ipc.RemoteException.unwrapRemoteException(RemoteException.java:79)
	at org.apache.hadoop.hbase.protobuf.ProtobufUtil.getRemoteException(ProtobufUtil.java:232)
	at org.apache.hadoop.hbase.protobuf.ProtobufUtil.split(ProtobufUtil.java:1511)
	at org.apache.hadoop.hbase.client.HBaseAdmin.split(HBaseAdmin.java:1801)
	at org.apache.hadoop.hbase.client.HBaseAdmin.split(HBaseAdmin.java:1774)
	at org.apache.hadoop.hbase.client.HBaseAdmin.split(HBaseAdmin.java:1747)
	at org.apache.hadoop.hbase.master.TestTableLockManager$7.chore(TestTableLockManager.java:372)
	at org.apache.hadoop.hbase.Chore.run(Chore.java:80)
	at java.lang.Thread.run(Thread.java:662)
Caused by: org.apache.hadoop.hbase.ipc.RemoteWithExtrasException(java.io.IOException): java.io.IOException:
getSplitPoint() called on a region that can't split!
	at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2162)
	at org.apache.hadoop.hbase.ipc.RpcServer$Handler.run(RpcServer.java:1831)
Caused by: java.lang.AssertionError: getSplitPoint() called on a region that can't split!
	at org.apache.hadoop.hbase.regionserver.HStore.getSplitPoint(HStore.java:1587)
	at org.apache.hadoop.hbase.regionserver.RegionSplitPolicy.getSplitPoint(RegionSplitPolicy.java:81)
	at org.apache.hadoop.hbase.regionserver.HRegion.checkSplit(HRegion.java:5311)
	at org.apache.hadoop.hbase.regionserver.HRegionServer.splitRegion(HRegionServer.java:3626)
	at org.apache.hadoop.hbase.protobuf.generated.AdminProtos$AdminService$2.callBlockingMethod(AdminProtos.java:14396)
	at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2124)
	... 1 more

	at org.apache.hadoop.hbase.ipc.RpcClient.call(RpcClient.java:1369)
	at org.apache.hadoop.hbase.ipc.RpcClient.callBlockingMethod(RpcClient.java:1573)
	at org.apache.hadoop.hbase.ipc.RpcClient$BlockingRpcChannelImplementation.callBlockingMethod(RpcClient.java:1630)
	at org.apache.hadoop.hbase.protobuf.generated.AdminProtos$AdminService$BlockingStub.splitRegion(AdminProtos.java:15141)
	at org.apache.hadoop.hbase.protobuf.ProtobufUtil.split(ProtobufUtil.java:1509)
	... 6 more
2013-07-11 08:55:40,834 FATAL [Split thread] hbase.Chore(91): Split threaderror
java.lang.AssertionError: java.io.IOException: getSplitPoint() called on a region that can't
split!
	at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2162)
	at org.apache.hadoop.hbase.ipc.RpcServer$Handler.run(RpcServer.java:1831)
Caused by: java.lang.AssertionError: getSplitPoint() called on a region that can't split!
	at org.apache.hadoop.hbase.regionserver.HStore.getSplitPoint(HStore.java:1587)
	at org.apache.hadoop.hbase.regionserver.RegionSplitPolicy.getSplitPoint(RegionSplitPolicy.java:81)
	at org.apache.hadoop.hbase.regionserver.HRegion.checkSplit(HRegion.java:5311)
	at org.apache.hadoop.hbase.regionserver.HRegionServer.splitRegion(HRegionServer.java:3626)
	at org.apache.hadoop.hbase.protobuf.generated.AdminProtos$AdminService$2.callBlockingMethod(AdminProtos.java:14396)
	at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2124)
	... 1 more

	at org.junit.Assert.fail(Assert.java:88)
	at org.apache.hadoop.hbase.master.TestTableLockManager$7.chore(TestTableLockManager.java:383)
	at org.apache.hadoop.hbase.Chore.run(Chore.java:80)

{code}

The assertion here is for a condition that is not a problem; the region is currently not splittable
because it has references.

Let me remove the assertion; it is causing the test splitter thread to exit but the test depends
on it making progress ... so we are timing out.

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