See 
<https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Apex_Gradle/738/display/redirect>

------------------------------------------
[...truncated 27.68 MB...]
    Jun 15, 2018 7:48:27 AM 
com.datatorrent.stram.StramLocalCluster$UmbilicalProtocolLocalImpl log
    INFO: container-57 msg: Stopped running due to an exception. 
com.datatorrent.api.Operator$ShutdownException
        at 
com.datatorrent.common.util.BaseOperator.shutdown(BaseOperator.java:96)
        at 
org.apache.beam.runners.apex.translation.operators.ApexReadUnboundedInputOperator.endWindow(ApexReadUnboundedInputOperator.java:116)
        at com.datatorrent.stram.engine.InputNode.run(InputNode.java:229)
        at 
com.datatorrent.stram.engine.StreamingContainer$2.run(StreamingContainer.java:1429)

    Jun 15, 2018 7:48:27 AM 
com.datatorrent.stram.StramLocalCluster$UmbilicalProtocolLocalImpl log
    INFO: container-27 msg: Stopped running due to an exception. 
com.datatorrent.api.Operator$ShutdownException
        at 
com.datatorrent.common.util.BaseOperator.shutdown(BaseOperator.java:96)
        at 
org.apache.beam.runners.apex.translation.operators.ApexReadUnboundedInputOperator.endWindow(ApexReadUnboundedInputOperator.java:116)
        at com.datatorrent.stram.engine.InputNode.run(InputNode.java:229)
        at 
com.datatorrent.stram.engine.StreamingContainer$2.run(StreamingContainer.java:1429)

    Jun 15, 2018 7:48:27 AM 
com.datatorrent.stram.StramLocalCluster$LocalStreamingContainerLauncher run
    INFO: Container container-57 terminating.
    Jun 15, 2018 7:48:27 AM 
com.datatorrent.stram.StramLocalCluster$LocalStreamingContainerLauncher run
    INFO: Container container-27 terminating.
    Jun 15, 2018 7:48:27 AM com.datatorrent.bufferserver.server.Server$3 run
    INFO: Removing ln 
LogicalNode@36622fdaidentifier=tcp://localhost:38955/9.output.8, 
upstream=9.output.8, group=stream135/10.data1, partitions=[], 
iterator=com.datatorrent.bufferserver.internal.DataList$DataListIterator@581d0cf7{da=com.datatorrent.bufferserver.internal.DataList$Block@411c326f{identifier=9.output.8,
 data=1048576, readingOffset=0, writingOffset=2375, 
starting_window=5b236f4700000001, ending_window=5b236f4700000009, refCount=2, 
uniqueIdentifier=0, next=null, future=null}}} from dl 
DataList@379552cc[identifier=9.output.8]
    Jun 15, 2018 7:48:27 AM com.datatorrent.bufferserver.server.Server$3 run
    INFO: Removing ln 
LogicalNode@2461f2eaidentifier=tcp://localhost:38955/5.output.4, 
upstream=5.output.4, group=stream73/6.data1, partitions=[], 
iterator=com.datatorrent.bufferserver.internal.DataList$DataListIterator@3f7163e1{da=com.datatorrent.bufferserver.internal.DataList$Block@f3baa4c{identifier=5.output.4,
 data=1048576, readingOffset=0, writingOffset=2375, 
starting_window=5b236f4700000001, ending_window=5b236f4700000009, refCount=2, 
uniqueIdentifier=0, next=null, future=null}}} from dl 
DataList@2f946e8e[identifier=5.output.4]
    Jun 15, 2018 7:48:27 AM com.datatorrent.stram.util.LoggerUtil 
getFileAppender
    WARNING: Log information is unavailable. To enable log information 
log4j/logging should be configured with single FileAppender that has 
immediateFlush set to true and log level set to ERROR or greater.
    Jun 15, 2018 7:48:27 AM com.datatorrent.stram.engine.StreamingContainer$2 
run
    SEVERE: Operator set 
[OperatorDeployInfo[id=1,name=split7,type=INPUT,checkpoint={ffffffffffffffff, 
0, 
0},inputs=[],outputs=[OperatorDeployInfo.OutputDeployInfo[portName=output,streamId=stream12,bufferServer=localhost]]]]
 stopped running due to an exception.
    com.datatorrent.api.Operator$ShutdownException
        at 
com.datatorrent.common.util.BaseOperator.shutdown(BaseOperator.java:96)
        at 
org.apache.beam.runners.apex.translation.operators.ApexReadUnboundedInputOperator.endWindow(ApexReadUnboundedInputOperator.java:116)
        at com.datatorrent.stram.engine.InputNode.run(InputNode.java:229)
        at 
com.datatorrent.stram.engine.StreamingContainer$2.run(StreamingContainer.java:1429)

    Jun 15, 2018 7:48:27 AM 
com.datatorrent.stram.StramLocalCluster$UmbilicalProtocolLocalImpl log
    INFO: container-33 msg: Stopped running due to an exception. 
com.datatorrent.api.Operator$ShutdownException
        at 
com.datatorrent.common.util.BaseOperator.shutdown(BaseOperator.java:96)
        at 
org.apache.beam.runners.apex.translation.operators.ApexReadUnboundedInputOperator.endWindow(ApexReadUnboundedInputOperator.java:116)
        at com.datatorrent.stram.engine.InputNode.run(InputNode.java:229)
        at 
com.datatorrent.stram.engine.StreamingContainer$2.run(StreamingContainer.java:1429)

    Jun 15, 2018 7:48:27 AM 
com.datatorrent.stram.StramLocalCluster$LocalStreamingContainerLauncher run
    INFO: Container container-33 terminating.
    Jun 15, 2018 7:48:27 AM com.datatorrent.bufferserver.server.Server$3 run
    INFO: Removing ln 
LogicalNode@488412a6identifier=tcp://localhost:38955/1.output.1, 
upstream=1.output.1, group=stream12/3.data2, partitions=[], 
iterator=com.datatorrent.bufferserver.internal.DataList$DataListIterator@320a5a82{da=com.datatorrent.bufferserver.internal.DataList$Block@6d04949{identifier=1.output.1,
 data=1048576, readingOffset=0, writingOffset=2375, 
starting_window=5b236f4700000001, ending_window=5b236f4700000009, refCount=2, 
uniqueIdentifier=0, next=null, future=null}}} from dl 
DataList@546bea15[identifier=1.output.1]
    Jun 15, 2018 7:48:27 AM com.datatorrent.stram.util.LoggerUtil 
getFileAppender
    WARNING: Log information is unavailable. To enable log information 
log4j/logging should be configured with single FileAppender that has 
immediateFlush set to true and log level set to ERROR or greater.
    Jun 15, 2018 7:48:27 AM com.datatorrent.stram.engine.StreamingContainer$2 
run
    SEVERE: Operator set 
[OperatorDeployInfo[id=17,name=split9,type=INPUT,checkpoint={ffffffffffffffff, 
0, 
0},inputs=[],outputs=[OperatorDeployInfo.OutputDeployInfo[portName=output,streamId=stream112,bufferServer=localhost]]]]
 stopped running due to an exception.
    com.datatorrent.api.Operator$ShutdownException
        at 
com.datatorrent.common.util.BaseOperator.shutdown(BaseOperator.java:96)
        at 
org.apache.beam.runners.apex.translation.operators.ApexReadUnboundedInputOperator.endWindow(ApexReadUnboundedInputOperator.java:116)
        at com.datatorrent.stram.engine.InputNode.run(InputNode.java:229)
        at 
com.datatorrent.stram.engine.StreamingContainer$2.run(StreamingContainer.java:1429)

    Jun 15, 2018 7:48:27 AM com.datatorrent.stram.util.LoggerUtil 
getFileAppender
    WARNING: Log information is unavailable. To enable log information 
log4j/logging should be configured with single FileAppender that has 
immediateFlush set to true and log level set to ERROR or greater.
    Jun 15, 2018 7:48:27 AM 
com.datatorrent.stram.StramLocalCluster$UmbilicalProtocolLocalImpl log
    INFO: container-78 msg: Stopped running due to an exception. 
com.datatorrent.api.Operator$ShutdownException
        at 
com.datatorrent.common.util.BaseOperator.shutdown(BaseOperator.java:96)
        at 
org.apache.beam.runners.apex.translation.operators.ApexReadUnboundedInputOperator.endWindow(ApexReadUnboundedInputOperator.java:116)
        at com.datatorrent.stram.engine.InputNode.run(InputNode.java:229)
        at 
com.datatorrent.stram.engine.StreamingContainer$2.run(StreamingContainer.java:1429)

    Jun 15, 2018 7:48:27 AM com.datatorrent.stram.engine.StreamingContainer$2 
run
    SEVERE: Operator set 
[OperatorDeployInfo[id=11,name=split1,type=INPUT,checkpoint={ffffffffffffffff, 
0, 
0},inputs=[],outputs=[OperatorDeployInfo.OutputDeployInfo[portName=output,streamId=stream66,bufferServer=localhost]]]]
 stopped running due to an exception.
    com.datatorrent.api.Operator$ShutdownException
        at 
com.datatorrent.common.util.BaseOperator.shutdown(BaseOperator.java:96)
        at 
org.apache.beam.runners.apex.translation.operators.ApexReadUnboundedInputOperator.endWindow(ApexReadUnboundedInputOperator.java:116)
        at com.datatorrent.stram.engine.InputNode.run(InputNode.java:229)
        at 
com.datatorrent.stram.engine.StreamingContainer$2.run(StreamingContainer.java:1429)

    Jun 15, 2018 7:48:27 AM 
com.datatorrent.stram.StramLocalCluster$UmbilicalProtocolLocalImpl log
    INFO: container-39 msg: Stopped running due to an exception. 
com.datatorrent.api.Operator$ShutdownException
        at 
com.datatorrent.common.util.BaseOperator.shutdown(BaseOperator.java:96)
        at 
org.apache.beam.runners.apex.translation.operators.ApexReadUnboundedInputOperator.endWindow(ApexReadUnboundedInputOperator.java:116)
        at com.datatorrent.stram.engine.InputNode.run(InputNode.java:229)
        at 
com.datatorrent.stram.engine.StreamingContainer$2.run(StreamingContainer.java:1429)

    Jun 15, 2018 7:48:27 AM 
com.datatorrent.stram.StramLocalCluster$LocalStreamingContainerLauncher run
    INFO: Container container-78 terminating.
    Jun 15, 2018 7:48:27 AM 
com.datatorrent.stram.StramLocalCluster$LocalStreamingContainerLauncher run
    INFO: Container container-39 terminating.
    Jun 15, 2018 7:48:27 AM com.datatorrent.bufferserver.server.Server$3 run
    INFO: Removing ln 
LogicalNode@478fe3c2identifier=tcp://localhost:38955/17.output.16, 
upstream=17.output.16, group=stream112/18.data2, partitions=[], 
iterator=com.datatorrent.bufferserver.internal.DataList$DataListIterator@58070e08{da=com.datatorrent.bufferserver.internal.DataList$Block@383991c0{identifier=17.output.16,
 data=1048576, readingOffset=0, writingOffset=2375, 
starting_window=5b236f4700000001, ending_window=5b236f4700000009, refCount=2, 
uniqueIdentifier=0, next=null, future=null}}} from dl 
DataList@3c271d8f[identifier=17.output.16]
    Jun 15, 2018 7:48:27 AM com.datatorrent.stram.util.LoggerUtil 
getFileAppender
    WARNING: Log information is unavailable. To enable log information 
log4j/logging should be configured with single FileAppender that has 
immediateFlush set to true and log level set to ERROR or greater.
    Jun 15, 2018 7:48:27 AM com.datatorrent.bufferserver.server.Server$3 run
    INFO: Removing ln 
LogicalNode@3f5938c7identifier=tcp://localhost:38955/11.output.9, 
upstream=11.output.9, group=stream66/13.data2, partitions=[], 
iterator=com.datatorrent.bufferserver.internal.DataList$DataListIterator@3797635c{da=com.datatorrent.bufferserver.internal.DataList$Block@57804ce8{identifier=11.output.9,
 data=1048576, readingOffset=0, writingOffset=2347, 
starting_window=5b236f4700000001, ending_window=5b236f4700000009, refCount=2, 
uniqueIdentifier=0, next=null, future=null}}} from dl 
DataList@23437049[identifier=11.output.9]
    Jun 15, 2018 7:48:27 AM com.datatorrent.stram.engine.StreamingContainer$2 
run
    SEVERE: Operator set 
[OperatorDeployInfo[id=8,name=split3,type=INPUT,checkpoint={ffffffffffffffff, 
0, 
0},inputs=[],outputs=[OperatorDeployInfo.OutputDeployInfo[portName=output,streamId=stream52,bufferServer=localhost]]]]
 stopped running due to an exception.
    com.datatorrent.api.Operator$ShutdownException
        at 
com.datatorrent.common.util.BaseOperator.shutdown(BaseOperator.java:96)
        at 
org.apache.beam.runners.apex.translation.operators.ApexReadUnboundedInputOperator.endWindow(ApexReadUnboundedInputOperator.java:116)
        at com.datatorrent.stram.engine.InputNode.run(InputNode.java:229)
        at 
com.datatorrent.stram.engine.StreamingContainer$2.run(StreamingContainer.java:1429)

    Jun 15, 2018 7:48:27 AM 
com.datatorrent.stram.StramLocalCluster$UmbilicalProtocolLocalImpl log
    INFO: container-35 msg: Stopped running due to an exception. 
com.datatorrent.api.Operator$ShutdownException
        at 
com.datatorrent.common.util.BaseOperator.shutdown(BaseOperator.java:96)
        at 
org.apache.beam.runners.apex.translation.operators.ApexReadUnboundedInputOperator.endWindow(ApexReadUnboundedInputOperator.java:116)
        at com.datatorrent.stram.engine.InputNode.run(InputNode.java:229)
        at 
com.datatorrent.stram.engine.StreamingContainer$2.run(StreamingContainer.java:1429)

    Jun 15, 2018 7:48:27 AM 
com.datatorrent.stram.StramLocalCluster$LocalStreamingContainerLauncher run
    INFO: Container container-35 terminating.
    Jun 15, 2018 7:48:27 AM com.datatorrent.bufferserver.server.Server$3 run
    INFO: Removing ln 
LogicalNode@7360afd2identifier=tcp://localhost:38955/8.output.7, 
upstream=8.output.7, group=stream52/10.data2, partitions=[], 
iterator=com.datatorrent.bufferserver.internal.DataList$DataListIterator@278ccacb{da=com.datatorrent.bufferserver.internal.DataList$Block@2b0dd0e5{identifier=8.output.7,
 data=1048576, readingOffset=0, writingOffset=2375, 
starting_window=5b236f4700000001, ending_window=5b236f4700000009, refCount=2, 
uniqueIdentifier=0, next=null, future=null}}} from dl 
DataList@7e3f2e60[identifier=8.output.7]
    Jun 15, 2018 7:48:27 AM com.datatorrent.stram.util.LoggerUtil 
getFileAppender
    WARNING: Log information is unavailable. To enable log information 
log4j/logging should be configured with single FileAppender that has 
immediateFlush set to true and log level set to ERROR or greater.
    Jun 15, 2018 7:48:27 AM com.datatorrent.stram.util.LoggerUtil 
getFileAppender
    WARNING: Log information is unavailable. To enable log information 
log4j/logging should be configured with single FileAppender that has 
immediateFlush set to true and log level set to ERROR or greater.
    Jun 15, 2018 7:48:27 AM com.datatorrent.stram.engine.StreamingContainer$2 
run
    SEVERE: Operator set 
[OperatorDeployInfo[id=12,name=split0,type=INPUT,checkpoint={ffffffffffffffff, 
0, 
0},inputs=[],outputs=[OperatorDeployInfo.OutputDeployInfo[portName=output,streamId=stream76,bufferServer=localhost]]]]
 stopped running due to an exception.
    com.datatorrent.api.Operator$ShutdownException
        at 
com.datatorrent.common.util.BaseOperator.shutdown(BaseOperator.java:96)
        at 
org.apache.beam.runners.apex.translation.operators.ApexReadUnboundedInputOperator.endWindow(ApexReadUnboundedInputOperator.java:116)
        at com.datatorrent.stram.engine.InputNode.run(InputNode.java:229)
        at 
com.datatorrent.stram.engine.StreamingContainer$2.run(StreamingContainer.java:1429)

    Jun 15, 2018 7:48:27 AM com.datatorrent.stram.engine.StreamingContainer$2 
run
    SEVERE: Operator set 
[OperatorDeployInfo[id=2,name=split6,type=INPUT,checkpoint={ffffffffffffffff, 
0, 
0},inputs=[],outputs=[OperatorDeployInfo.OutputDeployInfo[portName=output,streamId=stream131,bufferServer=localhost]]]]
 stopped running due to an exception.
    com.datatorrent.api.Operator$ShutdownException
        at 
com.datatorrent.common.util.BaseOperator.shutdown(BaseOperator.java:96)
        at 
org.apache.beam.runners.apex.translation.operators.ApexReadUnboundedInputOperator.endWindow(ApexReadUnboundedInputOperator.java:116)
        at com.datatorrent.stram.engine.InputNode.run(InputNode.java:229)
        at 
com.datatorrent.stram.engine.StreamingContainer$2.run(StreamingContainer.java:1429)

    Jun 15, 2018 7:48:27 AM 
com.datatorrent.stram.StramLocalCluster$UmbilicalProtocolLocalImpl log
    INFO: container-5 msg: Stopped running due to an exception. 
com.datatorrent.api.Operator$ShutdownException
        at 
com.datatorrent.common.util.BaseOperator.shutdown(BaseOperator.java:96)
        at 
org.apache.beam.runners.apex.translation.operators.ApexReadUnboundedInputOperator.endWindow(ApexReadUnboundedInputOperator.java:116)
        at com.datatorrent.stram.engine.InputNode.run(InputNode.java:229)
        at 
com.datatorrent.stram.engine.StreamingContainer$2.run(StreamingContainer.java:1429)

    Jun 15, 2018 7:48:27 AM 
com.datatorrent.stram.StramLocalCluster$UmbilicalProtocolLocalImpl log
    INFO: container-52 msg: Stopped running due to an exception. 
com.datatorrent.api.Operator$ShutdownException
        at 
com.datatorrent.common.util.BaseOperator.shutdown(BaseOperator.java:96)
        at 
org.apache.beam.runners.apex.translation.operators.ApexReadUnboundedInputOperator.endWindow(ApexReadUnboundedInputOperator.java:116)
        at com.datatorrent.stram.engine.InputNode.run(InputNode.java:229)
        at 
com.datatorrent.stram.engine.StreamingContainer$2.run(StreamingContainer.java:1429)

    Jun 15, 2018 7:48:27 AM 
com.datatorrent.stram.StramLocalCluster$LocalStreamingContainerLauncher run
    INFO: Container container-52 terminating.
    Jun 15, 2018 7:48:27 AM 
com.datatorrent.stram.StramLocalCluster$LocalStreamingContainerLauncher run
    INFO: Container container-5 terminating.
    Jun 15, 2018 7:48:27 AM com.datatorrent.bufferserver.server.Server$3 run
    INFO: Removing ln 
LogicalNode@3011000identifier=tcp://localhost:38955/2.output.2, 
upstream=2.output.2, group=stream131/3.data1, partitions=[], 
iterator=com.datatorrent.bufferserver.internal.DataList$DataListIterator@4646d8d6{da=com.datatorrent.bufferserver.internal.DataList$Block@75d8847{identifier=2.output.2,
 data=1048576, readingOffset=0, writingOffset=2375, 
starting_window=5b236f4700000001, ending_window=5b236f4700000009, refCount=2, 
uniqueIdentifier=0, next=null, future=null}}} from dl 
DataList@4212fab1[identifier=2.output.2]
    Jun 15, 2018 7:48:27 AM com.datatorrent.bufferserver.server.Server$3 run
    INFO: Removing ln 
LogicalNode@34bdfea5identifier=tcp://localhost:38955/12.output.10, 
upstream=12.output.10, group=stream76/13.data1, partitions=[], 
iterator=com.datatorrent.bufferserver.internal.DataList$DataListIterator@45d980bd{da=com.datatorrent.bufferserver.internal.DataList$Block@35a960b8{identifier=12.output.10,
 data=1048576, readingOffset=0, writingOffset=2275, 
starting_window=5b236f4700000001, ending_window=5b236f4700000009, refCount=2, 
uniqueIdentifier=0, next=null, future=null}}} from dl 
DataList@5e5dd9fa[identifier=12.output.10]
    Jun 15, 2018 7:48:27 AM com.datatorrent.stram.util.LoggerUtil 
getFileAppender
    WARNING: Log information is unavailable. To enable log information 
log4j/logging should be configured with single FileAppender that has 
immediateFlush set to true and log level set to ERROR or greater.
    Jun 15, 2018 7:48:27 AM com.datatorrent.stram.engine.StreamingContainer$2 
run
    SEVERE: Operator set 
[OperatorDeployInfo[id=16,name=split8,type=INPUT,checkpoint={ffffffffffffffff, 
0, 
0},inputs=[],outputs=[OperatorDeployInfo.OutputDeployInfo[portName=output,streamId=stream0,bufferServer=localhost]]]]
 stopped running due to an exception.
    com.datatorrent.api.Operator$ShutdownException
        at 
com.datatorrent.common.util.BaseOperator.shutdown(BaseOperator.java:96)
        at 
org.apache.beam.runners.apex.translation.operators.ApexReadUnboundedInputOperator.endWindow(ApexReadUnboundedInputOperator.java:116)
        at com.datatorrent.stram.engine.InputNode.run(InputNode.java:229)
        at 
com.datatorrent.stram.engine.StreamingContainer$2.run(StreamingContainer.java:1429)

    Jun 15, 2018 7:48:27 AM 
com.datatorrent.stram.StramLocalCluster$UmbilicalProtocolLocalImpl log
    INFO: container-15 msg: Stopped running due to an exception. 
com.datatorrent.api.Operator$ShutdownException
        at 
com.datatorrent.common.util.BaseOperator.shutdown(BaseOperator.java:96)
        at 
org.apache.beam.runners.apex.translation.operators.ApexReadUnboundedInputOperator.endWindow(ApexReadUnboundedInputOperator.java:116)
        at com.datatorrent.stram.engine.InputNode.run(InputNode.java:229)
        at 
com.datatorrent.stram.engine.StreamingContainer$2.run(StreamingContainer.java:1429)

    Jun 15, 2018 7:48:27 AM 
com.datatorrent.stram.StramLocalCluster$LocalStreamingContainerLauncher run
    INFO: Container container-15 terminating.
    Jun 15, 2018 7:48:27 AM com.datatorrent.bufferserver.server.Server$3 run
    INFO: Removing ln 
LogicalNode@664f3147identifier=tcp://localhost:38955/16.output.15, 
upstream=16.output.15, group=stream0/18.data1, partitions=[], 
iterator=com.datatorrent.bufferserver.internal.DataList$DataListIterator@bcf67f2{da=com.datatorrent.bufferserver.internal.DataList$Block@29ad25e{identifier=16.output.15,
 data=1048576, readingOffset=0, writingOffset=2375, 
starting_window=5b236f4700000001, ending_window=5b236f4700000009, refCount=2, 
uniqueIdentifier=0, next=null, future=null}}} from dl 
DataList@7cc8ce15[identifier=16.output.15]
    Jun 15, 2018 7:48:27 AM com.datatorrent.stram.util.LoggerUtil 
getFileAppender
    WARNING: Log information is unavailable. To enable log information 
log4j/logging should be configured with single FileAppender that has 
immediateFlush set to true and log level set to ERROR or greater.
    Jun 15, 2018 7:48:27 AM com.datatorrent.stram.engine.StreamingContainer$2 
run
    SEVERE: Operator set 
[OperatorDeployInfo[id=4,name=split5,type=INPUT,checkpoint={ffffffffffffffff, 
0, 
0},inputs=[],outputs=[OperatorDeployInfo.OutputDeployInfo[portName=output,streamId=stream8,bufferServer=localhost]]]]
 stopped running due to an exception.
    com.datatorrent.api.Operator$ShutdownException
        at 
com.datatorrent.common.util.BaseOperator.shutdown(BaseOperator.java:96)
        at 
org.apache.beam.runners.apex.translation.operators.ApexReadUnboundedInputOperator.endWindow(ApexReadUnboundedInputOperator.java:116)
        at com.datatorrent.stram.engine.InputNode.run(InputNode.java:229)
        at 
com.datatorrent.stram.engine.StreamingContainer$2.run(StreamingContainer.java:1429)

    Jun 15, 2018 7:48:27 AM 
com.datatorrent.stram.StramLocalCluster$UmbilicalProtocolLocalImpl log
    INFO: container-41 msg: Stopped running due to an exception. 
com.datatorrent.api.Operator$ShutdownException
        at 
com.datatorrent.common.util.BaseOperator.shutdown(BaseOperator.java:96)
        at 
org.apache.beam.runners.apex.translation.operators.ApexReadUnboundedInputOperator.endWindow(ApexReadUnboundedInputOperator.java:116)
        at com.datatorrent.stram.engine.InputNode.run(InputNode.java:229)
        at 
com.datatorrent.stram.engine.StreamingContainer$2.run(StreamingContainer.java:1429)

    Jun 15, 2018 7:48:27 AM 
com.datatorrent.stram.StramLocalCluster$LocalStreamingContainerLauncher run
    INFO: Container container-41 terminating.
    Jun 15, 2018 7:48:27 AM com.datatorrent.bufferserver.server.Server$3 run
    INFO: Removing ln 
LogicalNode@30e61fa2identifier=tcp://localhost:38955/4.output.3, 
upstream=4.output.3, group=stream8/6.data2, partitions=[], 
iterator=com.datatorrent.bufferserver.internal.DataList$DataListIterator@4cea5a7f{da=com.datatorrent.bufferserver.internal.DataList$Block@3c6a44e7{identifier=4.output.3,
 data=1048576, readingOffset=0, writingOffset=2375, 
starting_window=5b236f4700000001, ending_window=5b236f4700000009, refCount=2, 
uniqueIdentifier=0, next=null, future=null}}} from dl 
DataList@68367916[identifier=4.output.3]
    Jun 15, 2018 7:48:27 AM com.datatorrent.bufferserver.server.Server$1 run
    INFO: Server stopped listening at /0:0:0:0:0:0:0:0:38955
    Jun 15, 2018 7:48:27 AM com.datatorrent.stram.StramLocalCluster run
    INFO: Application finished.

org.apache.beam.sdk.io.CountingSourceTest > testBoundedSourceSplits FAILED
    java.lang.AssertionError: Count/Flatten.PCollections.out: 
org/hamcrest/Matchers
        at 
org.apache.beam.sdk.testing.PAssert$PAssertionSite.capture(PAssert.java:168)
        at org.apache.beam.sdk.testing.PAssert.thatSingleton(PAssert.java:418)
        at org.apache.beam.sdk.testing.PAssert.thatSingleton(PAssert.java:408)
        at 
org.apache.beam.sdk.io.CountingSourceTest.addCountingAsserts(CountingSourceTest.java:64)
        at 
org.apache.beam.sdk.io.CountingSourceTest.testBoundedSourceSplits(CountingSourceTest.java:118)

        Caused by:
        java.lang.NoClassDefFoundError: org/hamcrest/Matchers

Gradle Test Executor 1 finished executing tests.

> Task :beam-runners-apex:validatesRunnerBatch FAILED

198 tests completed, 112 failed, 1 skipped
Finished generating test XML results (0.264 secs) into: 
<https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Apex_Gradle/ws/src/runners/apex/build/test-results/validatesRunnerBatch>
Generating HTML test report...
Finished generating test html results (0.255 secs) into: 
<https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Apex_Gradle/ws/src/runners/apex/build/reports/tests/validatesRunnerBatch>
:beam-runners-apex:validatesRunnerBatch (Thread[Task worker for ':' Thread 
6,5,main]) completed. Took 27 mins 54.235 secs.

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':beam-runners-apex:validatesRunnerBatch'.
> There were failing tests. See the report at: 
> file://<https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Apex_Gradle/ws/src/runners/apex/build/reports/tests/validatesRunnerBatch/index.html>

* Try:
Run with --stacktrace option to get the stack trace. Run with --debug option to 
get more log output. Run with --scan to get full insights.

* Get more help at https://help.gradle.org

Deprecated Gradle features were used in this build, making it incompatible with 
Gradle 5.0.
See 
https://docs.gradle.org/4.8/userguide/command_line_interface.html#sec:command_line_warnings

BUILD FAILED in 28m 46s
32 actionable tasks: 28 executed, 4 from cache

Publishing build scan...
https://gradle.com/s/gqj4da5rcnm3e

Build step 'Invoke Gradle script' changed build result to FAILURE
Build step 'Invoke Gradle script' marked build as failure
Recording test results
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