See 
<https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Apex_Gradle/725/display/redirect?page=changes>

Changes:

[fvoichick] Fixed link to nonexistent IsBounded.apply method

[fvoichick] Fixed documentation of default window size in example code

[fvoichick] Fixed inappropriate Javadoc comments

------------------------------------------
[...truncated 27.62 MB...]
    INFO: Removing ln 
LogicalNode@676920f8identifier=tcp://localhost:34505/99.output.99, 
upstream=99.output.99, group=stream113/100.input, partitions=[], 
iterator=com.datatorrent.bufferserver.internal.DataList$DataListIterator@8ca0c30{da=com.datatorrent.bufferserver.internal.DataList$Block@1167f0fc{identifier=99.output.99,
 data=1048576, readingOffset=0, writingOffset=22953, 
starting_window=5b22a4a600000001, ending_window=5b22a4a60000000a, refCount=2, 
uniqueIdentifier=0, next=null, future=null}}} from dl 
DataList@23b7409a[identifier=99.output.99]
    Jun 14, 2018 5:23:54 PM 
com.datatorrent.stram.StramLocalCluster$LocalStreamingContainerLauncher run
    INFO: Container container-15 terminating.
    Jun 14, 2018 5:23:54 PM com.datatorrent.bufferserver.server.Server$3 run
    INFO: Removing ln 
LogicalNode@3414e81cidentifier=tcp://localhost:34505/51.output.51, 
upstream=51.output.51, group=stream96/52.input, partitions=[], 
iterator=com.datatorrent.bufferserver.internal.DataList$DataListIterator@2c21f083{da=com.datatorrent.bufferserver.internal.DataList$Block@74d2c2bb{identifier=51.output.51,
 data=1048576, readingOffset=0, writingOffset=108, 
starting_window=5b22a4a600000001, ending_window=5b22a4a60000000a, refCount=2, 
uniqueIdentifier=0, next=null, future=null}}} from dl 
DataList@5a9c2ccd[identifier=51.output.51]
    Jun 14, 2018 5:23:54 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 14, 2018 5:23:54 PM com.datatorrent.stram.engine.StreamingContainer$2 
run
    SEVERE: Operator set 
[OperatorDeployInfo[id=8,name=split0,type=INPUT,checkpoint={ffffffffffffffff, 
0, 
0},inputs=[],outputs=[OperatorDeployInfo.OutputDeployInfo[portName=output,streamId=stream53,bufferServer=localhost]]]]
 stopped running due to an exception.
    com.datatorrent.api.Operator$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 14, 2018 5:23:54 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 14, 2018 5:23:54 PM 
com.datatorrent.stram.StramLocalCluster$LocalStreamingContainerLauncher run
    INFO: Container container-51 terminating.
    Jun 14, 2018 5:23:54 PM com.datatorrent.bufferserver.server.Server$3 run
    INFO: Removing ln 
LogicalNode@16cfd4d3identifier=tcp://localhost:34505/8.output.7, 
upstream=8.output.7, group=stream53/10.data1, partitions=[], 
iterator=com.datatorrent.bufferserver.internal.DataList$DataListIterator@43b60494{da=com.datatorrent.bufferserver.internal.DataList$Block@60b05189{identifier=8.output.7,
 data=1048576, readingOffset=0, writingOffset=2281, 
starting_window=5b22a4a600000001, ending_window=5b22a4a60000000a, refCount=2, 
uniqueIdentifier=0, next=null, future=null}}} from dl 
DataList@215803e[identifier=8.output.7]
    Jun 14, 2018 5:23:54 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 14, 2018 5:23:54 PM com.datatorrent.stram.engine.StreamingContainer$2 
run
    SEVERE: Operator set 
[OperatorDeployInfo[id=9,name=split1,type=INPUT,checkpoint={ffffffffffffffff, 
0, 
0},inputs=[],outputs=[OperatorDeployInfo.OutputDeployInfo[portName=output,streamId=stream95,bufferServer=localhost]]]]
 stopped running due to an exception.
    com.datatorrent.api.Operator$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 14, 2018 5:23:54 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 14, 2018 5:23:54 PM 
com.datatorrent.stram.StramLocalCluster$LocalStreamingContainerLauncher run
    INFO: Container container-11 terminating.
    Jun 14, 2018 5:23:54 PM com.datatorrent.bufferserver.server.Server$3 run
    INFO: Removing ln 
LogicalNode@5c1ba934identifier=tcp://localhost:34505/9.output.8, 
upstream=9.output.8, group=stream95/10.data2, partitions=[], 
iterator=com.datatorrent.bufferserver.internal.DataList$DataListIterator@39543ef5{da=com.datatorrent.bufferserver.internal.DataList$Block@4ab51fef{identifier=9.output.8,
 data=1048576, readingOffset=0, writingOffset=2353, 
starting_window=5b22a4a600000001, ending_window=5b22a4a60000000a, refCount=2, 
uniqueIdentifier=0, next=null, future=null}}} from dl 
DataList@286b2329[identifier=9.output.8]
    Jun 14, 2018 5:23:54 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 14, 2018 5:23:54 PM com.datatorrent.stram.engine.StreamingContainer$2 
run
    SEVERE: Operator set 
[OperatorDeployInfo[id=5,name=split4,type=INPUT,checkpoint={ffffffffffffffff, 
0, 
0},inputs=[],outputs=[OperatorDeployInfo.OutputDeployInfo[portName=output,streamId=stream143,bufferServer=localhost]]]]
 stopped running due to an exception.
    com.datatorrent.api.Operator$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 14, 2018 5:23:54 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 14, 2018 5:23:54 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 14, 2018 5:23:54 PM com.datatorrent.stram.engine.StreamingContainer$2 
run
    SEVERE: Operator set 
[OperatorDeployInfo[id=11,name=split3,type=INPUT,checkpoint={ffffffffffffffff, 
0, 
0},inputs=[],outputs=[OperatorDeployInfo.OutputDeployInfo[portName=output,streamId=stream71,bufferServer=localhost]]]]
 stopped running due to an exception.
    com.datatorrent.api.Operator$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 14, 2018 5:23:54 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 14, 2018 5:23:54 PM 
com.datatorrent.stram.StramLocalCluster$LocalStreamingContainerLauncher run
    INFO: Container container-25 terminating.
    Jun 14, 2018 5:23:54 PM com.datatorrent.bufferserver.server.Server$3 run
    INFO: Removing ln 
LogicalNode@aa472didentifier=tcp://localhost:34505/5.output.4, 
upstream=5.output.4, group=stream143/6.data1, partitions=[], 
iterator=com.datatorrent.bufferserver.internal.DataList$DataListIterator@6d1426a{da=com.datatorrent.bufferserver.internal.DataList$Block@1e6a67d3{identifier=5.output.4,
 data=1048576, readingOffset=0, writingOffset=2381, 
starting_window=5b22a4a600000001, ending_window=5b22a4a60000000a, refCount=2, 
uniqueIdentifier=0, next=null, future=null}}} from dl 
DataList@7c425996[identifier=5.output.4]
    Jun 14, 2018 5:23:54 PM com.datatorrent.stram.util.LoggerUtil 
getFileAppender
    WARNING: Log information is unavailable. To enable log information 
log4j/logging should be configured with single FileAppender that has 
immediateFlush set to true and log level set to ERROR or greater.
    Jun 14, 2018 5:23:54 PM 
com.datatorrent.stram.StramLocalCluster$LocalStreamingContainerLauncher run
    INFO: Container container-26 terminating.
    Jun 14, 2018 5:23:54 PM com.datatorrent.stram.engine.StreamingContainer$2 
run
    SEVERE: Operator set 
[OperatorDeployInfo[id=2,name=split6,type=INPUT,checkpoint={ffffffffffffffff, 
0, 
0},inputs=[],outputs=[OperatorDeployInfo.OutputDeployInfo[portName=output,streamId=stream80,bufferServer=localhost]]]]
 stopped running due to an exception.
    com.datatorrent.api.Operator$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 14, 2018 5:23:54 PM com.datatorrent.bufferserver.server.Server$3 run
    INFO: Removing ln 
LogicalNode@813291aidentifier=tcp://localhost:34505/11.output.9, 
upstream=11.output.9, group=stream71/13.data2, partitions=[], 
iterator=com.datatorrent.bufferserver.internal.DataList$DataListIterator@d415f5c{da=com.datatorrent.bufferserver.internal.DataList$Block@18f9e8c{identifier=11.output.9,
 data=1048576, readingOffset=0, writingOffset=2381, 
starting_window=5b22a4a600000001, ending_window=5b22a4a60000000a, refCount=2, 
uniqueIdentifier=0, next=null, future=null}}} from dl 
DataList@4c162591[identifier=11.output.9]
    Jun 14, 2018 5:23:54 PM 
com.datatorrent.stram.StramLocalCluster$UmbilicalProtocolLocalImpl log
    INFO: container-30 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 14, 2018 5:23:54 PM 
com.datatorrent.stram.StramLocalCluster$LocalStreamingContainerLauncher run
    INFO: Container container-30 terminating.
    Jun 14, 2018 5:23:54 PM com.datatorrent.bufferserver.server.Server$3 run
    INFO: Removing ln 
LogicalNode@3ae9f1c1identifier=tcp://localhost:34505/2.output.2, 
upstream=2.output.2, group=stream80/3.data1, partitions=[], 
iterator=com.datatorrent.bufferserver.internal.DataList$DataListIterator@22764b6c{da=com.datatorrent.bufferserver.internal.DataList$Block@254a5bc1{identifier=2.output.2,
 data=1048576, readingOffset=0, writingOffset=2381, 
starting_window=5b22a4a600000001, ending_window=5b22a4a60000000a, refCount=2, 
uniqueIdentifier=0, next=null, future=null}}} from dl 
DataList@58ccda1a[identifier=2.output.2]
    Jun 14, 2018 5:23:54 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 14, 2018 5:23:54 PM com.datatorrent.stram.engine.StreamingContainer$2 
run
    SEVERE: Operator set 
[OperatorDeployInfo[id=12,name=split2,type=INPUT,checkpoint={ffffffffffffffff, 
0, 
0},inputs=[],outputs=[OperatorDeployInfo.OutputDeployInfo[portName=output,streamId=stream84,bufferServer=localhost]]]]
 stopped running due to an exception.
    com.datatorrent.api.Operator$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 14, 2018 5:23:54 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 14, 2018 5:23:54 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 14, 2018 5:23:54 PM com.datatorrent.stram.engine.StreamingContainer$2 
run
    SEVERE: Operator set 
[OperatorDeployInfo[id=17,name=split8,type=INPUT,checkpoint={ffffffffffffffff, 
0, 
0},inputs=[],outputs=[OperatorDeployInfo.OutputDeployInfo[portName=output,streamId=stream139,bufferServer=localhost]]]]
 stopped running due to an exception.
    com.datatorrent.api.Operator$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 14, 2018 5:23:54 PM 
com.datatorrent.stram.StramLocalCluster$LocalStreamingContainerLauncher run
    INFO: Container container-67 terminating.
    Jun 14, 2018 5:23:54 PM 
com.datatorrent.stram.StramLocalCluster$UmbilicalProtocolLocalImpl log
    INFO: container-38 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 14, 2018 5:23:54 PM com.datatorrent.bufferserver.server.Server$3 run
    INFO: Removing ln 
LogicalNode@6a9cf3d4identifier=tcp://localhost:34505/12.output.10, 
upstream=12.output.10, group=stream84/13.data1, partitions=[], 
iterator=com.datatorrent.bufferserver.internal.DataList$DataListIterator@250b563f{da=com.datatorrent.bufferserver.internal.DataList$Block@353654d9{identifier=12.output.10,
 data=1048576, readingOffset=0, writingOffset=2381, 
starting_window=5b22a4a600000001, ending_window=5b22a4a60000000a, refCount=2, 
uniqueIdentifier=0, next=null, future=null}}} from dl 
DataList@42d595ed[identifier=12.output.10]
    Jun 14, 2018 5:23:54 PM 
com.datatorrent.stram.StramLocalCluster$LocalStreamingContainerLauncher run
    INFO: Container container-38 terminating.
    Jun 14, 2018 5:23:54 PM com.datatorrent.bufferserver.server.Server$3 run
    INFO: Removing ln 
LogicalNode@7e1df6ebidentifier=tcp://localhost:34505/17.output.16, 
upstream=17.output.16, group=stream139/18.data1, partitions=[], 
iterator=com.datatorrent.bufferserver.internal.DataList$DataListIterator@7c778ba7{da=com.datatorrent.bufferserver.internal.DataList$Block@3b280b8{identifier=17.output.16,
 data=1048576, readingOffset=0, writingOffset=2381, 
starting_window=5b22a4a600000001, ending_window=5b22a4a60000000a, refCount=2, 
uniqueIdentifier=0, next=null, future=null}}} from dl 
DataList@4a59c8b[identifier=17.output.16]
    Jun 14, 2018 5:23:54 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 14, 2018 5:23:54 PM com.datatorrent.stram.engine.StreamingContainer$2 
run
    SEVERE: Operator set 
[OperatorDeployInfo[id=4,name=split5,type=INPUT,checkpoint={ffffffffffffffff, 
0, 
0},inputs=[],outputs=[OperatorDeployInfo.OutputDeployInfo[portName=output,streamId=stream56,bufferServer=localhost]]]]
 stopped running due to an exception.
    com.datatorrent.api.Operator$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 14, 2018 5:23:54 PM 
com.datatorrent.stram.StramLocalCluster$UmbilicalProtocolLocalImpl log
    INFO: container-20 msg: Stopped running due to an exception. 
com.datatorrent.api.Operator$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 14, 2018 5:23:54 PM 
com.datatorrent.stram.StramLocalCluster$LocalStreamingContainerLauncher run
    INFO: Container container-20 terminating.
    Jun 14, 2018 5:23:54 PM com.datatorrent.bufferserver.server.Server$3 run
    INFO: Removing ln 
LogicalNode@79c61861identifier=tcp://localhost:34505/4.output.3, 
upstream=4.output.3, group=stream56/6.data2, partitions=[], 
iterator=com.datatorrent.bufferserver.internal.DataList$DataListIterator@6a311b0f{da=com.datatorrent.bufferserver.internal.DataList$Block@2a5b9f5d{identifier=4.output.3,
 data=1048576, readingOffset=0, writingOffset=2381, 
starting_window=5b22a4a600000001, ending_window=5b22a4a60000000a, refCount=2, 
uniqueIdentifier=0, next=null, future=null}}} from dl 
DataList@3dfb7dee[identifier=4.output.3]
    Jun 14, 2018 5:23:54 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 14, 2018 5:23:54 PM com.datatorrent.stram.engine.StreamingContainer$2 
run
    SEVERE: Operator set 
[OperatorDeployInfo[id=1,name=split7,type=INPUT,checkpoint={ffffffffffffffff, 
0, 
0},inputs=[],outputs=[OperatorDeployInfo.OutputDeployInfo[portName=output,streamId=stream3,bufferServer=localhost]]]]
 stopped running due to an exception.
    com.datatorrent.api.Operator$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 14, 2018 5:23:54 PM 
com.datatorrent.stram.StramLocalCluster$UmbilicalProtocolLocalImpl log
    INFO: container-73 msg: Stopped running due to an exception. 
com.datatorrent.api.Operator$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 14, 2018 5:23:54 PM 
com.datatorrent.stram.StramLocalCluster$LocalStreamingContainerLauncher run
    INFO: Container container-73 terminating.
    Jun 14, 2018 5:23:54 PM com.datatorrent.bufferserver.server.Server$3 run
    INFO: Removing ln 
LogicalNode@5ae56e31identifier=tcp://localhost:34505/1.output.1, 
upstream=1.output.1, group=stream3/3.data2, partitions=[], 
iterator=com.datatorrent.bufferserver.internal.DataList$DataListIterator@1592ef1e{da=com.datatorrent.bufferserver.internal.DataList$Block@771977c0{identifier=1.output.1,
 data=1048576, readingOffset=0, writingOffset=2381, 
starting_window=5b22a4a600000001, ending_window=5b22a4a60000000a, refCount=2, 
uniqueIdentifier=0, next=null, future=null}}} from dl 
DataList@1cebf09[identifier=1.output.1]
    Jun 14, 2018 5:23:54 PM com.datatorrent.bufferserver.server.Server$1 run
    INFO: Server stopped listening at /0:0:0:0:0:0:0:0:34505
    Jun 14, 2018 5:23:54 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 (0.254 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 (0.224 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 
12,5,main]) completed. Took 27 mins 56.932 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 29m 1s
32 actionable tasks: 29 executed, 3 from cache

Publishing build scan...
https://gradle.com/s/6y22nh6kdb7na

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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