See <https://builds.apache.org/job/Pig-trunk-commit/866/changes>

Changes:

[thejas] PIG-2146: POStore.getSchema() returns null because of which 
PigOutputCommitter
 is not storing schema while cleanup

------------------------------------------
[...truncated 39831 lines...]
    [junit]     at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:959)
    [junit]     at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:955)
    [junit]     at java.security.AccessController.doPrivileged(Native Method)
    [junit]     at javax.security.auth.Subject.doAs(Subject.java:396)
    [junit]     at org.apache.hadoop.ipc.Server$Handler.run(Server.java:953)
    [junit] 
    [junit] org.apache.hadoop.ipc.RemoteException: java.io.IOException: Could 
not complete write to file 
/tmp/TestStore-output--3939521172535858951.txt_cleanupOnFailure_succeeded2 by 
DFSClient_-634647566
    [junit]     at 
org.apache.hadoop.hdfs.server.namenode.NameNode.complete(NameNode.java:449)
    [junit]     at sun.reflect.GeneratedMethodAccessor18.invoke(Unknown Source)
    [junit]     at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    [junit]     at java.lang.reflect.Method.invoke(Method.java:597)
    [junit]     at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:508)
    [junit]     at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:959)
    [junit]     at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:955)
    [junit]     at java.security.AccessController.doPrivileged(Native Method)
    [junit]     at javax.security.auth.Subject.doAs(Subject.java:396)
    [junit]     at org.apache.hadoop.ipc.Server$Handler.run(Server.java:953)
    [junit] 
    [junit]     at org.apache.hadoop.ipc.Client.call(Client.java:740)
    [junit]     at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:220)
    [junit]     at $Proxy0.complete(Unknown Source)
    [junit]     at sun.reflect.GeneratedMethodAccessor18.invoke(Unknown Source)
    [junit]     at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    [junit]     at java.lang.reflect.Method.invoke(Method.java:597)
    [junit]     at 
org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:82)
    [junit]     at 
org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:59)
    [junit]     at $Proxy0.complete(Unknown Source)
    [junit]     at 
org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.closeInternal(DFSClient.java:3264)
    [junit]     at 
org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.close(DFSClient.java:3188)
    [junit]     at 
org.apache.hadoop.hdfs.DFSClient$LeaseChecker.close(DFSClient.java:1043)
    [junit]     at org.apache.hadoop.hdfs.DFSClient.close(DFSClient.java:237)
    [junit]     at 
org.apache.hadoop.hdfs.DistributedFileSystem.close(DistributedFileSystem.java:269)
    [junit]     at 
org.apache.pig.test.MiniGenericCluster.shutdownMiniDfsClusters(MiniGenericCluster.java:83)
    [junit]     at 
org.apache.pig.test.MiniGenericCluster.shutdownMiniDfsAndMrClusters(MiniGenericCluster.java:77)
    [junit]     at 
org.apache.pig.test.MiniGenericCluster.shutDown(MiniGenericCluster.java:68)
    [junit]     at 
org.apache.pig.test.TestStore.oneTimeTearDown(TestStore.java:127)
    [junit]     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    [junit]     at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    [junit]     at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    [junit]     at java.lang.reflect.Method.invoke(Method.java:597)
    [junit]     at 
org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44)
    [junit]     at 
org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
    [junit]     at 
org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41)
    [junit]     at 
org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:37)
    [junit]     at org.junit.runners.ParentRunner.run(ParentRunner.java:220)
    [junit]     at 
junit.framework.JUnit4TestAdapter.run(JUnit4TestAdapter.java:39)
    [junit]     at 
org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.run(JUnitTestRunner.java:420)
    [junit]     at 
org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.launch(JUnitTestRunner.java:911)
    [junit]     at 
org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.main(JUnitTestRunner.java:768)
    [junit] 11/07/20 23:28:36 WARN hdfs.StateChange: DIR* 
NameSystem.completeFile: failed to complete 
/tmp/TestStore-output-5551418102219430049.txt_cleanupOnFailure_succeeded1 
because dir.getFileBlocks() is null  and pendingFile is null
    [junit] 11/07/20 23:28:36 INFO ipc.Server: IPC Server handler 4 on 40868, 
call 
complete(/tmp/TestStore-output-5551418102219430049.txt_cleanupOnFailure_succeeded1,
 DFSClient_-634647566) from 127.0.0.1:54942: error: java.io.IOException: Could 
not complete write to file 
/tmp/TestStore-output-5551418102219430049.txt_cleanupOnFailure_succeeded1 by 
DFSClient_-634647566
    [junit] java.io.IOException: Could not complete write to file 
/tmp/TestStore-output-5551418102219430049.txt_cleanupOnFailure_succeeded1 by 
DFSClient_-634647566
    [junit]     at 
org.apache.hadoop.hdfs.server.namenode.NameNode.complete(NameNode.java:449)
    [junit]     at sun.reflect.GeneratedMethodAccessor18.invoke(Unknown Source)
    [junit]     at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    [junit]     at java.lang.reflect.Method.invoke(Method.java:597)
    [junit]     at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:508)
    [junit]     at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:959)
    [junit]     at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:955)
    [junit]     at java.security.AccessController.doPrivileged(Native Method)
    [junit]     at javax.security.auth.Subject.doAs(Subject.java:396)
    [junit]     at org.apache.hadoop.ipc.Server$Handler.run(Server.java:953)
    [junit] 11/07/20 23:28:36 ERROR hdfs.DFSClient: Exception closing file 
/tmp/TestStore-output-5551418102219430049.txt_cleanupOnFailure_succeeded1 : 
org.apache.hadoop.ipc.RemoteException: java.io.IOException: Could not complete 
write to file 
/tmp/TestStore-output-5551418102219430049.txt_cleanupOnFailure_succeeded1 by 
DFSClient_-634647566
    [junit]     at 
org.apache.hadoop.hdfs.server.namenode.NameNode.complete(NameNode.java:449)
    [junit]     at sun.reflect.GeneratedMethodAccessor18.invoke(Unknown Source)
    [junit]     at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    [junit]     at java.lang.reflect.Method.invoke(Method.java:597)
    [junit]     at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:508)
    [junit]     at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:959)
    [junit]     at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:955)
    [junit]     at java.security.AccessController.doPrivileged(Native Method)
    [junit]     at javax.security.auth.Subject.doAs(Subject.java:396)
    [junit]     at org.apache.hadoop.ipc.Server$Handler.run(Server.java:953)
    [junit] 
    [junit] org.apache.hadoop.ipc.RemoteException: java.io.IOException: Could 
not complete write to file 
/tmp/TestStore-output-5551418102219430049.txt_cleanupOnFailure_succeeded1 by 
DFSClient_-634647566
    [junit]     at 
org.apache.hadoop.hdfs.server.namenode.NameNode.complete(NameNode.java:449)
    [junit]     at sun.reflect.GeneratedMethodAccessor18.invoke(Unknown Source)
    [junit]     at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    [junit]     at java.lang.reflect.Method.invoke(Method.java:597)
    [junit]     at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:508)
    [junit]     at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:959)
    [junit]     at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:955)
    [junit] Shutting down the Mini HDFS Cluster
    [junit] Shutting down DataNode 3
    [junit]     at java.security.AccessController.doPrivileged(Native Method)
    [junit]     at javax.security.auth.Subject.doAs(Subject.java:396)
    [junit]     at org.apache.hadoop.ipc.Server$Handler.run(Server.java:953)
    [junit] 
    [junit]     at org.apache.hadoop.ipc.Client.call(Client.java:740)
    [junit]     at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:220)
    [junit]     at $Proxy0.complete(Unknown Source)
    [junit]     at sun.reflect.GeneratedMethodAccessor18.invoke(Unknown Source)
    [junit]     at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    [junit]     at java.lang.reflect.Method.invoke(Method.java:597)
    [junit]     at 
org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:82)
    [junit]     at 
org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:59)
    [junit]     at $Proxy0.complete(Unknown Source)
    [junit]     at 
org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.closeInternal(DFSClient.java:3264)
    [junit]     at 
org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.close(DFSClient.java:3188)
    [junit]     at 
org.apache.hadoop.hdfs.DFSClient$LeaseChecker.close(DFSClient.java:1043)
    [junit]     at org.apache.hadoop.hdfs.DFSClient.close(DFSClient.java:237)
    [junit]     at 
org.apache.hadoop.hdfs.DistributedFileSystem.close(DistributedFileSystem.java:269)
    [junit]     at 
org.apache.pig.test.MiniGenericCluster.shutdownMiniDfsClusters(MiniGenericCluster.java:83)
    [junit]     at 
org.apache.pig.test.MiniGenericCluster.shutdownMiniDfsAndMrClusters(MiniGenericCluster.java:77)
    [junit]     at 
org.apache.pig.test.MiniGenericCluster.shutDown(MiniGenericCluster.java:68)
    [junit]     at 
org.apache.pig.test.TestStore.oneTimeTearDown(TestStore.java:127)
    [junit]     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    [junit]     at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    [junit]     at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    [junit]     at java.lang.reflect.Method.invoke(Method.java:597)
    [junit]     at 
org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44)
    [junit]     at 
org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
    [junit]     at 
org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41)
    [junit]     at 
org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:37)
    [junit]     at org.junit.runners.ParentRunner.run(ParentRunner.java:220)
    [junit]     at 
junit.framework.JUnit4TestAdapter.run(JUnit4TestAdapter.java:39)
    [junit]     at 
org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.run(JUnitTestRunner.java:420)
    [junit]     at 
org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.launch(JUnitTestRunner.java:911)
    [junit]     at 
org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.main(JUnitTestRunner.java:768)
    [junit] 11/07/20 23:28:36 INFO ipc.Server: Stopping server on 46781
    [junit] 11/07/20 23:28:36 INFO ipc.Server: IPC Server handler 2 on 46781: 
exiting
    [junit] 11/07/20 23:28:36 INFO ipc.Server: IPC Server handler 1 on 46781: 
exiting
    [junit] 11/07/20 23:28:36 INFO ipc.Server: Stopping IPC Server Responder
    [junit] 11/07/20 23:28:36 INFO datanode.DataNode: Waiting for threadgroup 
to exit, active threads is 1
    [junit] 11/07/20 23:28:36 INFO ipc.Server: IPC Server handler 0 on 46781: 
exiting
    [junit] 11/07/20 23:28:36 INFO ipc.Server: Stopping IPC Server listener on 
46781
    [junit] 11/07/20 23:28:36 WARN datanode.DataNode: 
DatanodeRegistration(127.0.0.1:36805, 
storageID=DS-195269808-127.0.1.1-36805-1311204154836, infoPort=45996, 
ipcPort=46781):DataXceiveServer: java.nio.channels.AsynchronousCloseException
    [junit]     at 
java.nio.channels.spi.AbstractInterruptibleChannel.end(AbstractInterruptibleChannel.java:185)
    [junit]     at 
sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:159)
    [junit]     at 
sun.nio.ch.ServerSocketAdaptor.accept(ServerSocketAdaptor.java:84)
    [junit]     at 
org.apache.hadoop.hdfs.server.datanode.DataXceiverServer.run(DataXceiverServer.java:130)
    [junit]     at java.lang.Thread.run(Thread.java:662)
    [junit] 
    [junit] 11/07/20 23:28:36 INFO datanode.DataBlockScanner: Exiting 
DataBlockScanner thread.
    [junit] 11/07/20 23:28:37 INFO datanode.DataNode: Deleting block 
blk_-3204924733222348700_1122 file 
build/test/data/dfs/data/data2/current/blk_-3204924733222348700
    [junit] 11/07/20 23:28:37 INFO datanode.DataNode: Deleting block 
blk_6333618558934951744_1124 file 
build/test/data/dfs/data/data1/current/blk_6333618558934951744
    [junit] 11/07/20 23:28:37 INFO datanode.DataNode: Deleting block 
blk_-3204924733222348700_1122 file 
build/test/data/dfs/data/data3/current/blk_-3204924733222348700
    [junit] 11/07/20 23:28:37 INFO datanode.DataNode: Deleting block 
blk_6333618558934951744_1124 file 
build/test/data/dfs/data/data3/current/blk_6333618558934951744
    [junit] 11/07/20 23:28:37 INFO datanode.DataNode: Deleting block 
blk_8636658259747225878_1123 file 
build/test/data/dfs/data/data4/current/blk_8636658259747225878
    [junit] 11/07/20 23:28:37 INFO datanode.DataNode: Waiting for threadgroup 
to exit, active threads is 0
    [junit] 11/07/20 23:28:37 INFO datanode.DataNode: 
DatanodeRegistration(127.0.0.1:36805, 
storageID=DS-195269808-127.0.1.1-36805-1311204154836, infoPort=45996, 
ipcPort=46781):Finishing DataNode in: 
FSDataset{dirpath='<https://builds.apache.org/job/Pig-trunk-commit/ws/trunk/build/test/data/dfs/data/data7/current,/grid/0/hudson/hudson-slave/workspace/Pig-trunk-commit/trunk/build/test/data/dfs/data/data8/current'}>
    [junit] 11/07/20 23:28:37 INFO ipc.Server: Stopping server on 46781
    [junit] 11/07/20 23:28:37 INFO datanode.DataNode: Waiting for threadgroup 
to exit, active threads is 0
    [junit] Shutting down DataNode 2
    [junit] 11/07/20 23:28:37 INFO ipc.Server: Stopping server on 43641
    [junit] 11/07/20 23:28:37 INFO ipc.Server: IPC Server handler 2 on 43641: 
exiting
    [junit] 11/07/20 23:28:37 INFO ipc.Server: IPC Server handler 0 on 43641: 
exiting
    [junit] 11/07/20 23:28:37 INFO ipc.Server: Stopping IPC Server Responder
    [junit] 11/07/20 23:28:37 INFO datanode.DataNode: Waiting for threadgroup 
to exit, active threads is 1
    [junit] 11/07/20 23:28:37 INFO ipc.Server: Stopping IPC Server listener on 
43641
    [junit] 11/07/20 23:28:37 WARN datanode.DataNode: 
DatanodeRegistration(127.0.0.1:36410, 
storageID=DS-750487208-127.0.1.1-36410-1311204154540, infoPort=60500, 
ipcPort=43641):DataXceiveServer: java.nio.channels.AsynchronousCloseException
    [junit]     at 
java.nio.channels.spi.AbstractInterruptibleChannel.end(AbstractInterruptibleChannel.java:185)
    [junit]     at 
sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:159)
    [junit]     at 
sun.nio.ch.ServerSocketAdaptor.accept(ServerSocketAdaptor.java:84)
    [junit]     at 
org.apache.hadoop.hdfs.server.datanode.DataXceiverServer.run(DataXceiverServer.java:130)
    [junit]     at java.lang.Thread.run(Thread.java:662)
    [junit] 
    [junit] 11/07/20 23:28:37 INFO ipc.Server: IPC Server handler 1 on 43641: 
exiting
    [junit] 11/07/20 23:28:37 INFO datanode.DataBlockScanner: Exiting 
DataBlockScanner thread.
    [junit] 11/07/20 23:28:37 INFO datanode.DataNode: 
DatanodeRegistration(127.0.0.1:36410, 
storageID=DS-750487208-127.0.1.1-36410-1311204154540, infoPort=60500, 
ipcPort=43641):Finishing DataNode in: 
FSDataset{dirpath='<https://builds.apache.org/job/Pig-trunk-commit/ws/trunk/build/test/data/dfs/data/data5/current,/grid/0/hudson/hudson-slave/workspace/Pig-trunk-commit/trunk/build/test/data/dfs/data/data6/current'}>
    [junit] 11/07/20 23:28:37 INFO ipc.Server: Stopping server on 43641
    [junit] 11/07/20 23:28:37 INFO datanode.DataNode: Waiting for threadgroup 
to exit, active threads is 0
    [junit] Shutting down DataNode 1
    [junit] 11/07/20 23:28:38 INFO datanode.DataNode: Waiting for threadgroup 
to exit, active threads is 0
    [junit] 11/07/20 23:28:38 INFO ipc.Server: Stopping server on 47299
    [junit] 11/07/20 23:28:38 INFO ipc.Server: IPC Server handler 0 on 47299: 
exiting
    [junit] 11/07/20 23:28:38 INFO ipc.Server: IPC Server handler 2 on 47299: 
exiting
    [junit] 11/07/20 23:28:38 INFO datanode.DataNode: Waiting for threadgroup 
to exit, active threads is 1
    [junit] 11/07/20 23:28:38 INFO ipc.Server: Stopping IPC Server listener on 
47299
    [junit] 11/07/20 23:28:38 INFO ipc.Server: Stopping IPC Server Responder
    [junit] 11/07/20 23:28:38 WARN datanode.DataNode: 
DatanodeRegistration(127.0.0.1:50569, 
storageID=DS-1228816136-127.0.1.1-50569-1311204154249, infoPort=59581, 
ipcPort=47299):DataXceiveServer: java.nio.channels.AsynchronousCloseException
    [junit]     at 
java.nio.channels.spi.AbstractInterruptibleChannel.end(AbstractInterruptibleChannel.java:185)
    [junit]     at 
sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:159)
    [junit]     at 
sun.nio.ch.ServerSocketAdaptor.accept(ServerSocketAdaptor.java:84)
    [junit]     at 
org.apache.hadoop.hdfs.server.datanode.DataXceiverServer.run(DataXceiverServer.java:130)
    [junit]     at java.lang.Thread.run(Thread.java:662)
    [junit] 
    [junit] 11/07/20 23:28:38 INFO ipc.Server: IPC Server handler 1 on 47299: 
exiting
    [junit] 11/07/20 23:28:38 INFO hdfs.StateChange: BLOCK* ask 127.0.0.1:50569 
to delete  blk_-6361483123941874151_1126 blk_-9092788064384877966_1127
    [junit] 11/07/20 23:28:38 INFO hdfs.StateChange: BLOCK* ask 127.0.0.1:38335 
to delete  blk_-6361483123941874151_1126 blk_-9092788064384877966_1127 
blk_2795447678487328647_1121
    [junit] 11/07/20 23:28:39 INFO datanode.DataBlockScanner: Exiting 
DataBlockScanner thread.
    [junit] 11/07/20 23:28:39 INFO datanode.DataNode: Waiting for threadgroup 
to exit, active threads is 0
    [junit] 11/07/20 23:28:39 INFO datanode.DataNode: 
DatanodeRegistration(127.0.0.1:50569, 
storageID=DS-1228816136-127.0.1.1-50569-1311204154249, infoPort=59581, 
ipcPort=47299):Finishing DataNode in: 
FSDataset{dirpath='<https://builds.apache.org/job/Pig-trunk-commit/ws/trunk/build/test/data/dfs/data/data3/current,/grid/0/hudson/hudson-slave/workspace/Pig-trunk-commit/trunk/build/test/data/dfs/data/data4/current'}>
    [junit] 11/07/20 23:28:39 INFO ipc.Server: Stopping server on 47299
    [junit] 11/07/20 23:28:39 INFO datanode.DataNode: Waiting for threadgroup 
to exit, active threads is 0
    [junit] Shutting down DataNode 0
    [junit] 11/07/20 23:28:39 INFO ipc.Server: Stopping server on 41125
    [junit] 11/07/20 23:28:39 INFO ipc.Server: IPC Server handler 0 on 41125: 
exiting
    [junit] 11/07/20 23:28:39 INFO ipc.Server: IPC Server handler 1 on 41125: 
exiting
    [junit] 11/07/20 23:28:39 INFO ipc.Server: IPC Server handler 2 on 41125: 
exiting
    [junit] 11/07/20 23:28:39 INFO ipc.Server: Stopping IPC Server listener on 
41125
    [junit] 11/07/20 23:28:39 INFO datanode.DataNode: Waiting for threadgroup 
to exit, active threads is 1
    [junit] 11/07/20 23:28:39 INFO ipc.Server: Stopping IPC Server Responder
    [junit] 11/07/20 23:28:39 WARN datanode.DataNode: 
DatanodeRegistration(127.0.0.1:38335, 
storageID=DS-1763994815-127.0.1.1-38335-1311204153938, infoPort=39626, 
ipcPort=41125):DataXceiveServer: java.nio.channels.AsynchronousCloseException
    [junit]     at 
java.nio.channels.spi.AbstractInterruptibleChannel.end(AbstractInterruptibleChannel.java:185)
    [junit]     at 
sun.nio.ch.ServerSocketChannelImpl.accept(ServerSocketChannelImpl.java:159)
    [junit]     at 
sun.nio.ch.ServerSocketAdaptor.accept(ServerSocketAdaptor.java:84)
    [junit]     at 
org.apache.hadoop.hdfs.server.datanode.DataXceiverServer.run(DataXceiverServer.java:130)
    [junit]     at java.lang.Thread.run(Thread.java:662)
    [junit] 
    [junit] 11/07/20 23:28:39 INFO datanode.DataBlockScanner: Exiting 
DataBlockScanner thread.
    [junit] 11/07/20 23:28:40 INFO datanode.DataNode: 
DatanodeRegistration(127.0.0.1:38335, 
storageID=DS-1763994815-127.0.1.1-38335-1311204153938, infoPort=39626, 
ipcPort=41125):Finishing DataNode in: 
FSDataset{dirpath='<https://builds.apache.org/job/Pig-trunk-commit/ws/trunk/build/test/data/dfs/data/data1/current,/grid/0/hudson/hudson-slave/workspace/Pig-trunk-commit/trunk/build/test/data/dfs/data/data2/current'}>
    [junit] 11/07/20 23:28:40 INFO ipc.Server: Stopping server on 41125
    [junit] 11/07/20 23:28:40 INFO datanode.DataNode: Waiting for threadgroup 
to exit, active threads is 0
    [junit] 11/07/20 23:28:40 INFO datanode.DataNode: Waiting for threadgroup 
to exit, active threads is 0
    [junit] 11/07/20 23:28:40 INFO namenode.DecommissionManager: Interrupted 
Monitor
    [junit] java.lang.InterruptedException: sleep interrupted
    [junit]     at java.lang.Thread.sleep(Native Method)
    [junit]     at 
org.apache.hadoop.hdfs.server.namenode.DecommissionManager$Monitor.run(DecommissionManager.java:65)
    [junit]     at java.lang.Thread.run(Thread.java:662)
    [junit] 11/07/20 23:28:40 INFO namenode.FSNamesystem: Number of 
transactions: 694 Total time for transactions(ms): 15Number of transactions 
batched in Syncs: 114 Number of syncs: 484 SyncTimes(ms): 4448 476 
    [junit] 11/07/20 23:28:40 WARN namenode.FSNamesystem: ReplicationMonitor 
thread received InterruptedException.java.lang.InterruptedException: sleep 
interrupted
    [junit] 11/07/20 23:28:40 INFO ipc.Server: Stopping server on 40868
    [junit] 11/07/20 23:28:40 INFO ipc.Server: Stopping IPC Server listener on 
40868
    [junit] 11/07/20 23:28:40 INFO ipc.Server: IPC Server handler 7 on 40868: 
exiting
    [junit] 11/07/20 23:28:40 INFO ipc.Server: IPC Server handler 3 on 40868: 
exiting
    [junit] 11/07/20 23:28:40 INFO ipc.Server: IPC Server handler 0 on 40868: 
exiting
    [junit] 11/07/20 23:28:40 INFO ipc.Server: IPC Server handler 1 on 40868: 
exiting
    [junit] 11/07/20 23:28:40 INFO ipc.Server: IPC Server handler 8 on 40868: 
exiting
    [junit] 11/07/20 23:28:40 INFO ipc.Server: IPC Server handler 4 on 40868: 
exiting
    [junit] 11/07/20 23:28:40 INFO ipc.Server: IPC Server handler 6 on 40868: 
exiting
    [junit] 11/07/20 23:28:40 INFO ipc.Server: IPC Server handler 9 on 40868: 
exiting
    [junit] 11/07/20 23:28:40 INFO ipc.Server: IPC Server handler 2 on 40868: 
exiting
    [junit] 11/07/20 23:28:40 INFO ipc.Server: IPC Server handler 5 on 40868: 
exiting
    [junit] 11/07/20 23:28:40 INFO ipc.Server: Stopping IPC Server Responder
    [junit] Tests run: 17, Failures: 0, Errors: 0, Time elapsed: 363.663 sec
    [junit] Running org.apache.pig.test.TestStringUDFs
    [junit] 11/07/20 23:28:41 WARN builtin.SUBSTRING: 
java.lang.NullPointerException
    [junit] 11/07/20 23:28:41 WARN builtin.SUBSTRING: 
java.lang.StringIndexOutOfBoundsException: String index out of range: -2
    [junit] 11/07/20 23:28:41 WARN builtin.SUBSTRING: 
java.lang.StringIndexOutOfBoundsException: String index out of range: -1
    [junit] 11/07/20 23:28:41 WARN builtin.SUBSTRING: 
java.lang.StringIndexOutOfBoundsException: String index out of range: -8
    [junit] 11/07/20 23:28:41 WARN builtin.SUBSTRING: 
java.lang.StringIndexOutOfBoundsException: String index out of range: -2
    [junit] 11/07/20 23:28:41 WARN builtin.INDEXOF: Failed to process input; 
error - null
    [junit] 11/07/20 23:28:41 WARN builtin.LAST_INDEX_OF: Failed to process 
input; error - null
    [junit] Tests run: 11, Failures: 0, Errors: 0, Time elapsed: 0.116 sec
   [delete] Deleting directory /tmp/pig_junit_tmp665886679

BUILD FAILED
<https://builds.apache.org/job/Pig-trunk-commit/ws/trunk/build.xml>:664: The 
following error occurred while executing this line:
<https://builds.apache.org/job/Pig-trunk-commit/ws/trunk/build.xml>:719: Tests 
failed!

Total time: 21 minutes 10 seconds
[FINDBUGS] Skipping publisher since build result is FAILURE
Recording test results
Publishing Javadoc
Archiving artifacts
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