See <https://builds.apache.org/job/Pig-trunk-commit/859/changes>

Changes:

[dvryaboy] PIG-2143: Make PigStorage optionally store schema; improve docs.

[thejas] PIG-1973: UDFContext.getUDFContext usage of ThreadLocal pattern
 is not typical (woody via thejas)

[thejas] PIG-2053: PigInputFormat uses class.isAssignableFrom() where 
instanceof is more appropriate (woody via thejas)

------------------------------------------
[...truncated 40179 lines...]
    [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.MiniCluster.shutdownMiniDfsAndMrClusters(MiniCluster.java:111)
    [junit]     at 
org.apache.pig.test.MiniCluster.shutDown(MiniCluster.java:101)
    [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] Shutting down the Mini HDFS Cluster
    [junit] Shutting down DataNode 3
    [junit] 11/07/18 16:29:13 INFO ipc.Server: Stopping server on 42421
    [junit] 11/07/18 16:29:13 INFO ipc.Server: IPC Server handler 2 on 42421: 
exiting
    [junit] 11/07/18 16:29:13 INFO ipc.Server: IPC Server handler 0 on 42421: 
exiting
    [junit] 11/07/18 16:29:13 INFO ipc.Server: Stopping IPC Server listener on 
42421
    [junit] 11/07/18 16:29:13 INFO ipc.Server: IPC Server handler 1 on 42421: 
exiting
    [junit] 11/07/18 16:29:13 INFO datanode.DataNode: Waiting for threadgroup 
to exit, active threads is 1
    [junit] 11/07/18 16:29:13 WARN datanode.DataNode: 
DatanodeRegistration(127.0.0.1:50529, 
storageID=DS-855549840-127.0.1.1-50529-1311006185850, infoPort=56258, 
ipcPort=42421):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] 11/07/18 16:29:13 INFO ipc.Server: Stopping IPC Server Responder
    [junit] 11/07/18 16:29:13 INFO datanode.DataBlockScanner: Exiting 
DataBlockScanner thread.
    [junit] 11/07/18 16:29:14 INFO datanode.DataNode: Deleting block 
blk_397522998911042587_1123 file 
build/test/data/dfs/data/data2/current/blk_397522998911042587
    [junit] 11/07/18 16:29:14 INFO datanode.DataNode: Deleting block 
blk_4827013878883143290_1124 file 
build/test/data/dfs/data/data1/current/blk_4827013878883143290
    [junit] 11/07/18 16:29:14 INFO datanode.DataNode: Deleting block 
blk_8902643049119501143_1122 file 
build/test/data/dfs/data/data1/current/blk_8902643049119501143
    [junit] 11/07/18 16:29:14 INFO datanode.DataNode: Deleting block 
blk_397522998911042587_1123 file 
build/test/data/dfs/data/data4/current/blk_397522998911042587
    [junit] 11/07/18 16:29:14 INFO datanode.DataNode: Deleting block 
blk_4827013878883143290_1124 file 
build/test/data/dfs/data/data3/current/blk_4827013878883143290
    [junit] 11/07/18 16:29:14 INFO datanode.DataNode: Deleting block 
blk_8902643049119501143_1122 file 
build/test/data/dfs/data/data3/current/blk_8902643049119501143
    [junit] 11/07/18 16:29:14 INFO datanode.DataNode: Waiting for threadgroup 
to exit, active threads is 0
    [junit] 11/07/18 16:29:14 INFO datanode.DataNode: 
DatanodeRegistration(127.0.0.1:50529, 
storageID=DS-855549840-127.0.1.1-50529-1311006185850, infoPort=56258, 
ipcPort=42421):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] 11/07/18 16:29:14 INFO ipc.Server: Stopping server on 42421
    [junit] 11/07/18 16:29:14 INFO datanode.DataNode: Waiting for threadgroup 
to exit, active threads is 0
    [junit] Shutting down DataNode 2
    [junit] 11/07/18 16:29:14 INFO ipc.Server: Stopping server on 55290
    [junit] 11/07/18 16:29:14 INFO ipc.Server: IPC Server handler 0 on 55290: 
exiting
    [junit] 11/07/18 16:29:14 INFO ipc.Server: Stopping IPC Server Responder
    [junit] 11/07/18 16:29:14 INFO ipc.Server: IPC Server handler 2 on 55290: 
exiting
    [junit] 11/07/18 16:29:14 INFO ipc.Server: IPC Server handler 1 on 55290: 
exiting
    [junit] 11/07/18 16:29:14 WARN datanode.DataNode: 
DatanodeRegistration(127.0.0.1:49612, 
storageID=DS-948550833-127.0.1.1-49612-1311006185544, infoPort=55023, 
ipcPort=55290):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] 11/07/18 16:29:14 INFO ipc.Server: Stopping IPC Server listener on 
55290
    [junit] 11/07/18 16:29:14 INFO datanode.DataNode: Waiting for threadgroup 
to exit, active threads is 1
    [junit] 11/07/18 16:29:14 INFO datanode.DataBlockScanner: Exiting 
DataBlockScanner thread.
    [junit] 11/07/18 16:29:14 INFO datanode.DataNode: 
DatanodeRegistration(127.0.0.1:49612, 
storageID=DS-948550833-127.0.1.1-49612-1311006185544, infoPort=55023, 
ipcPort=55290):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] 11/07/18 16:29:14 INFO ipc.Server: Stopping server on 55290
    [junit] 11/07/18 16:29:14 INFO datanode.DataNode: Waiting for threadgroup 
to exit, active threads is 0
    [junit] Shutting down DataNode 1
    [junit] 11/07/18 16:29:14 INFO ipc.Server: Stopping server on 49328
    [junit] 11/07/18 16:29:14 INFO ipc.Server: IPC Server handler 0 on 49328: 
exiting
    [junit] 11/07/18 16:29:14 INFO datanode.DataNode: Waiting for threadgroup 
to exit, active threads is 1
    [junit] 11/07/18 16:29:14 WARN datanode.DataNode: 
DatanodeRegistration(127.0.0.1:40361, 
storageID=DS-23402144-127.0.1.1-40361-1311006185228, infoPort=36944, 
ipcPort=49328):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] 11/07/18 16:29:14 INFO ipc.Server: IPC Server handler 1 on 49328: 
exiting
    [junit] 11/07/18 16:29:14 INFO ipc.Server: IPC Server handler 2 on 49328: 
exiting
    [junit] 11/07/18 16:29:14 INFO ipc.Server: Stopping IPC Server listener on 
49328
    [junit] 11/07/18 16:29:14 INFO ipc.Server: Stopping IPC Server Responder
    [junit] 11/07/18 16:29:15 INFO datanode.DataBlockScanner: Exiting 
DataBlockScanner thread.
    [junit] 11/07/18 16:29:15 INFO hdfs.StateChange: BLOCK* ask 127.0.0.1:35173 
to delete  blk_-7185019742731104502_1126 blk_2724036743554438767_1127
    [junit] 11/07/18 16:29:15 INFO hdfs.StateChange: BLOCK* ask 127.0.0.1:40361 
to delete  blk_-7185019742731104502_1126 blk_-4725648147486372678_1121
    [junit] 11/07/18 16:29:15 INFO datanode.DataNode: Waiting for threadgroup 
to exit, active threads is 0
    [junit] 11/07/18 16:29:15 INFO datanode.DataNode: 
DatanodeRegistration(127.0.0.1:40361, 
storageID=DS-23402144-127.0.1.1-40361-1311006185228, infoPort=36944, 
ipcPort=49328):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] 11/07/18 16:29:15 INFO ipc.Server: Stopping server on 49328
    [junit] 11/07/18 16:29:15 INFO datanode.DataNode: Waiting for threadgroup 
to exit, active threads is 0
    [junit] Shutting down DataNode 0
    [junit] 11/07/18 16:29:15 INFO ipc.Server: Stopping server on 53079
    [junit] 11/07/18 16:29:15 INFO ipc.Server: IPC Server handler 0 on 53079: 
exiting
    [junit] 11/07/18 16:29:15 INFO ipc.Server: IPC Server handler 2 on 53079: 
exiting
    [junit] 11/07/18 16:29:15 INFO datanode.DataNode: Waiting for threadgroup 
to exit, active threads is 1
    [junit] 11/07/18 16:29:15 INFO ipc.Server: Stopping IPC Server listener on 
53079
    [junit] 11/07/18 16:29:15 WARN datanode.DataNode: 
DatanodeRegistration(127.0.0.1:35173, 
storageID=DS-1565074408-127.0.1.1-35173-1311006184907, infoPort=60826, 
ipcPort=53079):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] 11/07/18 16:29:15 INFO ipc.Server: IPC Server handler 1 on 53079: 
exiting
    [junit] 11/07/18 16:29:15 INFO ipc.Server: Stopping IPC Server Responder
    [junit] 11/07/18 16:29:15 INFO datanode.DataBlockScanner: Exiting 
DataBlockScanner thread.
    [junit] 11/07/18 16:29:16 INFO datanode.DataNode: Waiting for threadgroup 
to exit, active threads is 0
    [junit] 11/07/18 16:29:16 INFO datanode.DataNode: 
DatanodeRegistration(127.0.0.1:35173, 
storageID=DS-1565074408-127.0.1.1-35173-1311006184907, infoPort=60826, 
ipcPort=53079):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] 11/07/18 16:29:16 INFO ipc.Server: Stopping server on 53079
    [junit] 11/07/18 16:29:16 INFO datanode.DataNode: Waiting for threadgroup 
to exit, active threads is 0
    [junit] 11/07/18 16:29:16 WARN namenode.FSNamesystem: ReplicationMonitor 
thread received InterruptedException.java.lang.InterruptedException: sleep 
interrupted
    [junit] 11/07/18 16:29:16 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): 5860 2381 
    [junit] 11/07/18 16:29:16 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] 11/07/18 16:29:16 INFO ipc.Server: Stopping server on 33356
    [junit] 11/07/18 16:29:16 INFO ipc.Server: Stopping IPC Server listener on 
33356
    [junit] 11/07/18 16:29:16 INFO ipc.Server: IPC Server handler 0 on 33356: 
exiting
    [junit] 11/07/18 16:29:16 INFO ipc.Server: Stopping IPC Server Responder
    [junit] 11/07/18 16:29:16 INFO ipc.Server: IPC Server handler 2 on 33356: 
exiting
    [junit] 11/07/18 16:29:16 INFO ipc.Server: IPC Server handler 6 on 33356: 
exiting
    [junit] 11/07/18 16:29:16 INFO ipc.Server: IPC Server handler 3 on 33356: 
exiting
    [junit] 11/07/18 16:29:16 INFO ipc.Server: IPC Server handler 1 on 33356: 
exiting
    [junit] 11/07/18 16:29:16 INFO ipc.Server: IPC Server handler 9 on 33356: 
exiting
    [junit] 11/07/18 16:29:16 INFO ipc.Server: IPC Server handler 4 on 33356: 
exiting
    [junit] 11/07/18 16:29:16 INFO mapred.TaskTracker: Shutting down: 
Map-events fetcher for all reduce tasks on 
tracker_host0.foo.com:localhost/127.0.0.1:58785
    [junit] 11/07/18 16:29:16 INFO ipc.Server: IPC Server handler 5 on 33356: 
exiting
    [junit] 11/07/18 16:29:16 INFO ipc.Server: IPC Server handler 7 on 33356: 
exiting
    [junit] 11/07/18 16:29:16 INFO ipc.Server: Stopping server on 58785
    [junit] 11/07/18 16:29:16 INFO ipc.Server: IPC Server handler 8 on 33356: 
exiting
    [junit] 11/07/18 16:29:16 INFO ipc.Server: IPC Server handler 2 on 58785: 
exiting
    [junit] 11/07/18 16:29:16 INFO ipc.Server: IPC Server handler 0 on 58785: 
exiting
    [junit] 11/07/18 16:29:16 INFO ipc.Server: Stopping IPC Server listener on 
58785
    [junit] 11/07/18 16:29:16 INFO mapred.TaskTracker: Shutting down 
StatusHttpServer
    [junit] 11/07/18 16:29:16 INFO ipc.Server: Stopping IPC Server Responder
    [junit] 11/07/18 16:29:16 INFO ipc.Server: IPC Server handler 3 on 58785: 
exiting
    [junit] 11/07/18 16:29:16 INFO ipc.Server: IPC Server handler 1 on 58785: 
exiting
    [junit] 11/07/18 16:29:16 INFO mapred.TaskTracker: Interrupted. Closing 
down.
    [junit] 11/07/18 16:29:16 INFO mapred.TaskTracker: Shutting down: 
Map-events fetcher for all reduce tasks on 
tracker_host1.foo.com:localhost/127.0.0.1:42189
    [junit] 11/07/18 16:29:16 INFO ipc.Server: Stopping server on 42189
    [junit] 11/07/18 16:29:16 INFO ipc.Server: IPC Server handler 3 on 42189: 
exiting
    [junit] 11/07/18 16:29:16 INFO ipc.Server: IPC Server handler 2 on 42189: 
exiting
    [junit] 11/07/18 16:29:16 INFO ipc.Server: IPC Server handler 1 on 42189: 
exiting
    [junit] 11/07/18 16:29:16 INFO ipc.Server: IPC Server handler 0 on 42189: 
exiting
    [junit] 11/07/18 16:29:16 INFO ipc.Server: Stopping IPC Server Responder
    [junit] 11/07/18 16:29:16 INFO mapred.TaskTracker: Shutting down 
StatusHttpServer
    [junit] 11/07/18 16:29:16 INFO ipc.Server: Stopping IPC Server listener on 
42189
    [junit] 11/07/18 16:29:17 INFO mapred.TaskTracker: Interrupted. Closing 
down.
    [junit] 11/07/18 16:29:17 INFO mapred.TaskTracker: Shutting down: 
Map-events fetcher for all reduce tasks on 
tracker_host2.foo.com:localhost/127.0.0.1:35059
    [junit] 11/07/18 16:29:17 INFO ipc.Server: Stopping server on 35059
    [junit] 11/07/18 16:29:17 INFO ipc.Server: IPC Server handler 0 on 35059: 
exiting
    [junit] 11/07/18 16:29:17 INFO ipc.Server: Stopping IPC Server listener on 
35059
    [junit] 11/07/18 16:29:17 INFO ipc.Server: IPC Server handler 1 on 35059: 
exiting
    [junit] 11/07/18 16:29:17 INFO ipc.Server: IPC Server handler 2 on 35059: 
exiting
    [junit] 11/07/18 16:29:17 INFO ipc.Server: Stopping IPC Server Responder
    [junit] 11/07/18 16:29:17 INFO mapred.TaskTracker: Shutting down 
StatusHttpServer
    [junit] 11/07/18 16:29:17 INFO ipc.Server: IPC Server handler 3 on 35059: 
exiting
    [junit] 11/07/18 16:30:17 ERROR mapred.TaskTracker: Caught exception: 
java.io.IOException: Call to localhost/127.0.0.1:49489 failed on local 
exception: java.nio.channels.ClosedByInterruptException
    [junit]     at org.apache.hadoop.ipc.Client.wrapException(Client.java:775)
    [junit]     at org.apache.hadoop.ipc.Client.call(Client.java:743)
    [junit]     at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:220)
    [junit]     at org.apache.hadoop.mapred.$Proxy6.heartbeat(Unknown Source)
    [junit]     at 
org.apache.hadoop.mapred.TaskTracker.transmitHeartBeat(TaskTracker.java:1215)
    [junit]     at 
org.apache.hadoop.mapred.TaskTracker.offerService(TaskTracker.java:1037)
    [junit]     at 
org.apache.hadoop.mapred.TaskTracker.run(TaskTracker.java:1720)
    [junit]     at 
org.apache.hadoop.mapred.MiniMRCluster$TaskTrackerRunner.run(MiniMRCluster.java:195)
    [junit]     at java.lang.Thread.run(Thread.java:662)
    [junit] Caused by: java.nio.channels.ClosedByInterruptException
    [junit]     at 
java.nio.channels.spi.AbstractInterruptibleChannel.end(AbstractInterruptibleChannel.java:184)
    [junit]     at 
sun.nio.ch.SocketChannelImpl.write(SocketChannelImpl.java:341)
    [junit]     at 
org.apache.hadoop.net.SocketOutputStream$Writer.performIO(SocketOutputStream.java:55)
    [junit]     at 
org.apache.hadoop.net.SocketIOWithTimeout.doIO(SocketIOWithTimeout.java:142)
    [junit]     at 
org.apache.hadoop.net.SocketOutputStream.write(SocketOutputStream.java:146)
    [junit]     at 
org.apache.hadoop.net.SocketOutputStream.write(SocketOutputStream.java:107)
    [junit]     at 
java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:65)
    [junit]     at 
java.io.BufferedOutputStream.flush(BufferedOutputStream.java:123)
    [junit]     at java.io.DataOutputStream.flush(DataOutputStream.java:106)
    [junit]     at 
org.apache.hadoop.ipc.Client$Connection.sendParam(Client.java:480)
    [junit]     at org.apache.hadoop.ipc.Client.call(Client.java:721)
    [junit]     ... 7 more
    [junit] 
    [junit] 11/07/18 16:30:17 INFO mapred.TaskTracker: Shutting down: 
Map-events fetcher for all reduce tasks on 
tracker_host3.foo.com:localhost/127.0.0.1:50455
    [junit] 11/07/18 16:30:17 INFO ipc.Server: Stopping server on 50455
    [junit] 11/07/18 16:30:17 INFO ipc.Server: IPC Server handler 0 on 50455: 
exiting
    [junit] 11/07/18 16:30:17 INFO ipc.Server: IPC Server handler 1 on 50455: 
exiting
    [junit] 11/07/18 16:30:17 INFO ipc.Server: IPC Server handler 3 on 50455: 
exiting
    [junit] 11/07/18 16:30:17 INFO ipc.Server: Stopping IPC Server Responder
    [junit] 11/07/18 16:30:17 INFO ipc.Server: IPC Server handler 2 on 50455: 
exiting
    [junit] 11/07/18 16:30:17 INFO ipc.Server: Stopping IPC Server listener on 
50455
    [junit] 11/07/18 16:30:17 INFO mapred.TaskTracker: Shutting down 
StatusHttpServer
    [junit] 11/07/18 16:30:17 INFO mapred.TaskTracker: Interrupted. Closing 
down.
    [junit] 11/07/18 16:30:17 INFO mapred.JobTracker: Stopping infoServer
    [junit] 11/07/18 16:30:17 INFO mapred.JobTracker: Stopping 
interTrackerServer
    [junit] 11/07/18 16:30:17 INFO ipc.Server: Stopping server on 49489
    [junit] 11/07/18 16:30:17 INFO ipc.Server: IPC Server handler 0 on 49489: 
exiting
    [junit] 11/07/18 16:30:17 INFO ipc.Server: IPC Server handler 2 on 49489: 
exiting
    [junit] 11/07/18 16:30:17 INFO ipc.Server: IPC Server handler 4 on 49489: 
exiting
    [junit] 11/07/18 16:30:17 INFO ipc.Server: IPC Server handler 3 on 49489: 
exiting
    [junit] 11/07/18 16:30:17 INFO ipc.Server: IPC Server handler 5 on 49489: 
exiting
    [junit] 11/07/18 16:30:17 INFO ipc.Server: IPC Server handler 1 on 49489: 
exiting
    [junit] 11/07/18 16:30:17 INFO ipc.Server: IPC Server handler 7 on 49489: 
exiting
    [junit] 11/07/18 16:30:17 INFO mapred.JobTracker: Stopping expireTrackers
    [junit] 11/07/18 16:30:17 INFO ipc.Server: Stopping IPC Server listener on 
49489
    [junit] 11/07/18 16:30:17 INFO ipc.Server: IPC Server handler 6 on 49489: 
exiting
    [junit] 11/07/18 16:30:17 INFO mapred.JobTracker: Stopping retirer
    [junit] 11/07/18 16:30:17 INFO ipc.Server: Stopping IPC Server Responder
    [junit] 11/07/18 16:30:17 INFO mapred.EagerTaskInitializationListener: 
Stopping Job Init Manager thread
    [junit] 11/07/18 16:30:17 INFO mapred.JobTracker: Stopped interTrackerServer
    [junit] 11/07/18 16:30:17 INFO ipc.Server: IPC Server handler 8 on 49489: 
exiting
    [junit] 11/07/18 16:30:17 INFO ipc.Server: IPC Server handler 9 on 49489: 
exiting
    [junit] 11/07/18 16:30:17 INFO mapred.EagerTaskInitializationListener: 
JobInitManagerThread interrupted.
    [junit] 11/07/18 16:30:17 INFO mapred.EagerTaskInitializationListener: 
Shutting down thread pool
    [junit] 11/07/18 16:30:17 INFO mapred.JobTracker: Stopping 
expireLaunchingTasks
    [junit] 11/07/18 16:30:17 INFO mapred.JobTracker: stopped all jobtracker 
services
    [junit] Tests run: 17, Failures: 0, Errors: 0, Time elapsed: 429.283 sec
    [junit] Running org.apache.pig.test.TestStringUDFs
    [junit] 11/07/18 16:30:18 WARN builtin.SUBSTRING: 
java.lang.NullPointerException
    [junit] 11/07/18 16:30:18 WARN builtin.SUBSTRING: 
java.lang.StringIndexOutOfBoundsException: String index out of range: -2
    [junit] 11/07/18 16:30:18 WARN builtin.SUBSTRING: 
java.lang.StringIndexOutOfBoundsException: String index out of range: -1
    [junit] 11/07/18 16:30:18 WARN builtin.SUBSTRING: 
java.lang.StringIndexOutOfBoundsException: String index out of range: -8
    [junit] 11/07/18 16:30:18 WARN builtin.SUBSTRING: 
java.lang.StringIndexOutOfBoundsException: String index out of range: -2
    [junit] 11/07/18 16:30:18 WARN builtin.INDEXOF: Failed to process input; 
error - null
    [junit] 11/07/18 16:30:18 WARN builtin.LAST_INDEX_OF: Failed to process 
input; error - null
    [junit] Tests run: 11, Failures: 0, Errors: 0, Time elapsed: 0.118 sec
   [delete] Deleting directory /tmp/pig_junit_tmp1134026355

BUILD FAILED
<https://builds.apache.org/job/Pig-trunk-commit/ws/trunk/build.xml>:652: The 
following error occurred while executing this line:
<https://builds.apache.org/job/Pig-trunk-commit/ws/trunk/build.xml>:707: Tests 
failed!

Total time: 22 minutes 13 seconds
[FINDBUGS] Skipping publisher since build result is FAILURE
Recording test results
Publishing Javadoc
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