See 
<https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Apex_Gradle/717/display/redirect?page=changes>

Changes:

[robinyq] Defer calling formatTimestamp() to achieve better performance

[robinyq] Throws exception directly instead of calling checkState()

------------------------------------------
[...truncated 27.67 MB...]
    INFO: Container container-59 terminating.
    Jun 13, 2018 8:07:05 PM com.datatorrent.bufferserver.server.Server$3 run
    INFO: Removing ln 
LogicalNode@47adafb7identifier=tcp://localhost:38067/120.output.122, 
upstream=120.output.122, group=stream140/121.input, partitions=[], 
iterator=com.datatorrent.bufferserver.internal.DataList$DataListIterator@312eb8e8{da=com.datatorrent.bufferserver.internal.DataList$Block@703a25ec{identifier=120.output.122,
 data=1048576, readingOffset=0, writingOffset=112, 
starting_window=5b21796500000001, ending_window=5b21796500000009, refCount=2, 
uniqueIdentifier=0, next=null, future=null}}} from dl 
DataList@798759af[identifier=120.output.122]
    Jun 13, 2018 8:07:05 PM 
com.datatorrent.stram.StramLocalCluster$LocalStreamingContainerLauncher run
    INFO: Container container-55 terminating.
    Jun 13, 2018 8:07:05 PM com.datatorrent.bufferserver.server.Server$3 run
    INFO: Removing ln 
LogicalNode@3a19c28bidentifier=tcp://localhost:38067/108.output.112, 
upstream=108.output.112, group=stream120/111.data2, partitions=[], 
iterator=com.datatorrent.bufferserver.internal.DataList$DataListIterator@f8b7e5d{da=com.datatorrent.bufferserver.internal.DataList$Block@4ba67ebc{identifier=108.output.112,
 data=1048576, readingOffset=0, writingOffset=90, 
starting_window=5b21796500000001, ending_window=5b21796500000009, refCount=2, 
uniqueIdentifier=0, next=null, future=null}}} from dl 
DataList@6a922761[identifier=108.output.112]
    Jun 13, 2018 8:07:05 PM 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 13, 2018 8:07:05 PM com.datatorrent.stram.engine.StreamingContainer$2 
run
    SEVERE: Operator set 
[OperatorDeployInfo[id=1,name=split8,type=INPUT,checkpoint={ffffffffffffffff, 
0, 
0},inputs=[],outputs=[OperatorDeployInfo.OutputDeployInfo[portName=output,streamId=stream33,bufferServer=localhost]]]]
 stopped running due to an exception.
    com.datatorrent.api.Operator$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 13, 2018 8:07:05 PM 
com.datatorrent.stram.StramLocalCluster$UmbilicalProtocolLocalImpl log
    INFO: container-25 msg: Stopped running due to an exception. 
com.datatorrent.api.Operator$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 13, 2018 8:07:05 PM 
com.datatorrent.stram.StramLocalCluster$LocalStreamingContainerLauncher run
    INFO: Container container-25 terminating.
    Jun 13, 2018 8:07:05 PM com.datatorrent.bufferserver.server.Server$3 run
    INFO: Removing ln 
LogicalNode@802497didentifier=tcp://localhost:38067/1.output.1, 
upstream=1.output.1, group=stream33/3.data1, partitions=[], 
iterator=com.datatorrent.bufferserver.internal.DataList$DataListIterator@291b41bd{da=com.datatorrent.bufferserver.internal.DataList$Block@7db6bb55{identifier=1.output.1,
 data=1048576, readingOffset=0, writingOffset=2375, 
starting_window=5b21796500000001, ending_window=5b21796500000009, refCount=2, 
uniqueIdentifier=0, next=null, future=null}}} from dl 
DataList@59d79c1[identifier=1.output.1]
    Jun 13, 2018 8:07:05 PM 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 13, 2018 8:07:05 PM com.datatorrent.stram.engine.StreamingContainer$2 
run
    SEVERE: Operator set 
[OperatorDeployInfo[id=15,name=split4,type=INPUT,checkpoint={ffffffffffffffff, 
0, 
0},inputs=[],outputs=[OperatorDeployInfo.OutputDeployInfo[portName=output,streamId=stream114,bufferServer=localhost]]]]
 stopped running due to an exception.
    com.datatorrent.api.Operator$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 13, 2018 8:07:05 PM 
com.datatorrent.stram.StramLocalCluster$UmbilicalProtocolLocalImpl log
    INFO: container-12 msg: Stopped running due to an exception. 
com.datatorrent.api.Operator$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 13, 2018 8:07:05 PM 
com.datatorrent.stram.StramLocalCluster$LocalStreamingContainerLauncher run
    INFO: Container container-12 terminating.
    Jun 13, 2018 8:07:05 PM com.datatorrent.bufferserver.server.Server$3 run
    INFO: Removing ln 
LogicalNode@7185e65eidentifier=tcp://localhost:38067/15.output.12, 
upstream=15.output.12, group=stream114/16.data1, partitions=[], 
iterator=com.datatorrent.bufferserver.internal.DataList$DataListIterator@7ecfff3c{da=com.datatorrent.bufferserver.internal.DataList$Block@daa5ff1{identifier=15.output.12,
 data=1048576, readingOffset=0, writingOffset=2375, 
starting_window=5b21796500000001, ending_window=5b21796500000009, refCount=2, 
uniqueIdentifier=0, next=null, future=null}}} from dl 
DataList@450e3102[identifier=15.output.12]
    Jun 13, 2018 8:07:05 PM 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 13, 2018 8:07:05 PM com.datatorrent.stram.engine.StreamingContainer$2 
run
    SEVERE: Operator set 
[OperatorDeployInfo[id=8,name=split2,type=INPUT,checkpoint={ffffffffffffffff, 
0, 
0},inputs=[],outputs=[OperatorDeployInfo.OutputDeployInfo[portName=output,streamId=stream87,bufferServer=localhost]]]]
 stopped running due to an exception.
    com.datatorrent.api.Operator$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 13, 2018 8:07:05 PM 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 13, 2018 8:07:05 PM 
com.datatorrent.stram.StramLocalCluster$UmbilicalProtocolLocalImpl log
    INFO: container-67 msg: Stopped running due to an exception. 
com.datatorrent.api.Operator$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 13, 2018 8:07:05 PM com.datatorrent.stram.engine.StreamingContainer$2 
run
    SEVERE: Operator set 
[OperatorDeployInfo[id=14,name=split5,type=INPUT,checkpoint={ffffffffffffffff, 
0, 
0},inputs=[],outputs=[OperatorDeployInfo.OutputDeployInfo[portName=output,streamId=stream113,bufferServer=localhost]]]]
 stopped running due to an exception.
    com.datatorrent.api.Operator$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 13, 2018 8:07:05 PM 
com.datatorrent.stram.StramLocalCluster$UmbilicalProtocolLocalImpl log
    INFO: container-4 msg: Stopped running due to an exception. 
com.datatorrent.api.Operator$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 13, 2018 8:07:05 PM 
com.datatorrent.stram.StramLocalCluster$LocalStreamingContainerLauncher run
    INFO: Container container-67 terminating.
    Jun 13, 2018 8:07:05 PM com.datatorrent.bufferserver.server.Server$3 run
    INFO: Removing ln 
LogicalNode@673fc7d7identifier=tcp://localhost:38067/8.output.6, 
upstream=8.output.6, group=stream87/9.data1, partitions=[], 
iterator=com.datatorrent.bufferserver.internal.DataList$DataListIterator@2bb31b13{da=com.datatorrent.bufferserver.internal.DataList$Block@2a042746{identifier=8.output.6,
 data=1048576, readingOffset=0, writingOffset=2375, 
starting_window=5b21796500000001, ending_window=5b21796500000009, refCount=2, 
uniqueIdentifier=0, next=null, future=null}}} from dl 
DataList@758ea020[identifier=8.output.6]
    Jun 13, 2018 8:07:05 PM 
com.datatorrent.stram.StramLocalCluster$LocalStreamingContainerLauncher run
    INFO: Container container-4 terminating.
    Jun 13, 2018 8:07:05 PM com.datatorrent.bufferserver.server.Server$3 run
    INFO: Removing ln 
LogicalNode@666ff588identifier=tcp://localhost:38067/14.output.11, 
upstream=14.output.11, group=stream113/16.data2, partitions=[], 
iterator=com.datatorrent.bufferserver.internal.DataList$DataListIterator@413c19b2{da=com.datatorrent.bufferserver.internal.DataList$Block@7264e905{identifier=14.output.11,
 data=1048576, readingOffset=0, writingOffset=2375, 
starting_window=5b21796500000001, ending_window=5b21796500000009, refCount=2, 
uniqueIdentifier=0, next=null, future=null}}} from dl 
DataList@7951de18[identifier=14.output.11]
    Jun 13, 2018 8:07:05 PM 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 13, 2018 8:07:05 PM com.datatorrent.stram.engine.StreamingContainer$2 
run
    SEVERE: Operator set 
[OperatorDeployInfo[id=11,name=split7,type=INPUT,checkpoint={ffffffffffffffff, 
0, 
0},inputs=[],outputs=[OperatorDeployInfo.OutputDeployInfo[portName=output,streamId=stream101,bufferServer=localhost]]]]
 stopped running due to an exception.
    com.datatorrent.api.Operator$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 13, 2018 8:07:05 PM 
com.datatorrent.stram.StramLocalCluster$UmbilicalProtocolLocalImpl log
    INFO: container-56 msg: Stopped running due to an exception. 
com.datatorrent.api.Operator$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 13, 2018 8:07:05 PM 
com.datatorrent.stram.StramLocalCluster$LocalStreamingContainerLauncher run
    INFO: Container container-56 terminating.
    Jun 13, 2018 8:07:05 PM com.datatorrent.bufferserver.server.Server$3 run
    INFO: Removing ln 
LogicalNode@4606047cidentifier=tcp://localhost:38067/11.output.9, 
upstream=11.output.9, group=stream101/13.data2, partitions=[], 
iterator=com.datatorrent.bufferserver.internal.DataList$DataListIterator@795eeeb2{da=com.datatorrent.bufferserver.internal.DataList$Block@588e99a2{identifier=11.output.9,
 data=1048576, readingOffset=0, writingOffset=2375, 
starting_window=5b21796500000001, ending_window=5b21796500000009, refCount=2, 
uniqueIdentifier=0, next=null, future=null}}} from dl 
DataList@d777f77[identifier=11.output.9]
    Jun 13, 2018 8:07:05 PM 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 13, 2018 8:07:05 PM 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 13, 2018 8:07:05 PM com.datatorrent.stram.engine.StreamingContainer$2 
run
    SEVERE: Operator set 
[OperatorDeployInfo[id=2,name=split9,type=INPUT,checkpoint={ffffffffffffffff, 
0, 
0},inputs=[],outputs=[OperatorDeployInfo.OutputDeployInfo[portName=output,streamId=stream126,bufferServer=localhost]]]]
 stopped running due to an exception.
    com.datatorrent.api.Operator$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 13, 2018 8:07:05 PM com.datatorrent.stram.engine.StreamingContainer$2 
run
    SEVERE: Operator set 
[OperatorDeployInfo[id=7,name=split3,type=INPUT,checkpoint={ffffffffffffffff, 
0, 
0},inputs=[],outputs=[OperatorDeployInfo.OutputDeployInfo[portName=output,streamId=stream11,bufferServer=localhost]]]]
 stopped running due to an exception.
    com.datatorrent.api.Operator$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 13, 2018 8:07:05 PM 
com.datatorrent.stram.StramLocalCluster$UmbilicalProtocolLocalImpl log
    INFO: container-28 msg: Stopped running due to an exception. 
com.datatorrent.api.Operator$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 13, 2018 8:07:05 PM 
com.datatorrent.stram.StramLocalCluster$UmbilicalProtocolLocalImpl log
    INFO: container-26 msg: Stopped running due to an exception. 
com.datatorrent.api.Operator$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 13, 2018 8:07:05 PM 
com.datatorrent.stram.StramLocalCluster$LocalStreamingContainerLauncher run
    INFO: Container container-28 terminating.
    Jun 13, 2018 8:07:05 PM com.datatorrent.bufferserver.server.Server$3 run
    INFO: Removing ln 
LogicalNode@1c7376edidentifier=tcp://localhost:38067/2.output.2, 
upstream=2.output.2, group=stream126/3.data2, partitions=[], 
iterator=com.datatorrent.bufferserver.internal.DataList$DataListIterator@7aa1d1df{da=com.datatorrent.bufferserver.internal.DataList$Block@74049b47{identifier=2.output.2,
 data=1048576, readingOffset=0, writingOffset=2375, 
starting_window=5b21796500000001, ending_window=5b21796500000009, refCount=2, 
uniqueIdentifier=0, next=null, future=null}}} from dl 
DataList@586b5fec[identifier=2.output.2]
    Jun 13, 2018 8:07:05 PM 
com.datatorrent.stram.StramLocalCluster$LocalStreamingContainerLauncher run
    INFO: Container container-26 terminating.
    Jun 13, 2018 8:07:05 PM com.datatorrent.bufferserver.server.Server$3 run
    INFO: Removing ln 
LogicalNode@566b863eidentifier=tcp://localhost:38067/7.output.5, 
upstream=7.output.5, group=stream11/9.data2, partitions=[], 
iterator=com.datatorrent.bufferserver.internal.DataList$DataListIterator@6ed11f51{da=com.datatorrent.bufferserver.internal.DataList$Block@1a0a147d{identifier=7.output.5,
 data=1048576, readingOffset=0, writingOffset=2375, 
starting_window=5b21796500000001, ending_window=5b21796500000009, refCount=2, 
uniqueIdentifier=0, next=null, future=null}}} from dl 
DataList@4a847ad8[identifier=7.output.5]
    Jun 13, 2018 8:07:05 PM 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 13, 2018 8:07:05 PM com.datatorrent.stram.engine.StreamingContainer$2 
run
    SEVERE: Operator set 
[OperatorDeployInfo[id=4,name=split1,type=INPUT,checkpoint={ffffffffffffffff, 
0, 
0},inputs=[],outputs=[OperatorDeployInfo.OutputDeployInfo[portName=output,streamId=stream41,bufferServer=localhost]]]]
 stopped running due to an exception.
    com.datatorrent.api.Operator$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 13, 2018 8:07:05 PM 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 13, 2018 8:07:05 PM 
com.datatorrent.stram.StramLocalCluster$UmbilicalProtocolLocalImpl log
    INFO: container-51 msg: Stopped running due to an exception. 
com.datatorrent.api.Operator$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 13, 2018 8:07:05 PM com.datatorrent.stram.engine.StreamingContainer$2 
run
    SEVERE: Operator set 
[OperatorDeployInfo[id=5,name=split0,type=INPUT,checkpoint={ffffffffffffffff, 
0, 
0},inputs=[],outputs=[OperatorDeployInfo.OutputDeployInfo[portName=output,streamId=stream136,bufferServer=localhost]]]]
 stopped running due to an exception.
    com.datatorrent.api.Operator$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 13, 2018 8:07:05 PM 
com.datatorrent.stram.StramLocalCluster$LocalStreamingContainerLauncher run
    INFO: Container container-51 terminating.
    Jun 13, 2018 8:07:05 PM 
com.datatorrent.stram.StramLocalCluster$UmbilicalProtocolLocalImpl log
    INFO: container-11 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 13, 2018 8:07:05 PM com.datatorrent.bufferserver.server.Server$3 run
    INFO: Removing ln 
LogicalNode@192f32adidentifier=tcp://localhost:38067/4.output.3, 
upstream=4.output.3, group=stream41/6.data2, partitions=[], 
iterator=com.datatorrent.bufferserver.internal.DataList$DataListIterator@4812c85b{da=com.datatorrent.bufferserver.internal.DataList$Block@2edf6d9f{identifier=4.output.3,
 data=1048576, readingOffset=0, writingOffset=2347, 
starting_window=5b21796500000001, ending_window=5b21796500000009, refCount=2, 
uniqueIdentifier=0, next=null, future=null}}} from dl 
DataList@64bc3dc5[identifier=4.output.3]
    Jun 13, 2018 8:07:05 PM 
com.datatorrent.stram.StramLocalCluster$LocalStreamingContainerLauncher run
    INFO: Container container-11 terminating.
    Jun 13, 2018 8:07:05 PM com.datatorrent.bufferserver.server.Server$3 run
    INFO: Removing ln 
LogicalNode@290eed29identifier=tcp://localhost:38067/5.output.4, 
upstream=5.output.4, group=stream136/6.data1, partitions=[], 
iterator=com.datatorrent.bufferserver.internal.DataList$DataListIterator@d07c930{da=com.datatorrent.bufferserver.internal.DataList$Block@530988db{identifier=5.output.4,
 data=1048576, readingOffset=0, writingOffset=2275, 
starting_window=5b21796500000001, ending_window=5b21796500000009, refCount=2, 
uniqueIdentifier=0, next=null, future=null}}} from dl 
DataList@66fa4b0[identifier=5.output.4]
    Jun 13, 2018 8:07:05 PM com.datatorrent.bufferserver.server.Server$1 run
    INFO: Server stopped listening at /0:0:0:0:0:0:0:0:38067
    Jun 13, 2018 8:07:05 PM com.datatorrent.stram.StramLocalCluster run
    INFO: Application finished.

org.apache.beam.sdk.io.CountingSourceTest > testBoundedSourceSplits FAILED
    java.lang.AssertionError: UniqueCount/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:66)
        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 (0.326 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 (0.242 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 28 mins 3.097 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 56s
32 actionable tasks: 28 executed, 4 from cache

Publishing build scan...
https://gradle.com/s/rgiiwj7an2nqg

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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