See 
<https://builds.apache.org/job/beam_PerformanceTests_XmlIOIT_HDFS/85/display/redirect?page=changes>

Changes:

[geet.kumar75] BEAM-4038: Support Kafka Headers in KafkaIO

[geet.kumar75] BEAM-4038: Update license information

[geet.kumar75] Update code formatting

[geet.kumar75] Remove custom implementations of KafkaHeader, KafkaHeaders, etc.

[geet.kumar75] Changes based on review comments

[daniel.o.programmer] [BEAM-3513] Removing PrimitiveCombineGroupedValues 
override w/ FnAPI.

[echauchot] Introduce MetricsPusher in runner core to regularly push aggregated

[echauchot] Instanciate MetricsPusher in runner-specific code because we need

[echauchot] Improve MetricsPusher: do not aggregate metrics when not needed, 
improve

[echauchot] Create JsonMetricsSerializer

[echauchot] Stop MetricsPusher thread by observing pipeline state and improve 
the

[echauchot] Make metrics sink configurable through PipelineOptions, pass

[echauchot] Add MetricsPusher tests specific to Spark (because Spark streaming 
tests

[echauchot] Add a MetricksPusher test to runner-core (batch and streaming are 
done

[echauchot] Push metrics at the end of a batch pipeline in flink runner

[echauchot] improve MetricsPusher lifecycle and thread safety

[echauchot] Make MetricsPusher merge a list a MetricsContainerStepMaps because 
there

[echauchot] Fix thread synchronisation and replace usages of instance variable 
by

[echauchot] Clear dummyMetricsSink before test

[echauchot] Push metrics at the end of a batch pipeline in spark runner

[echauchot] Improve MetricsPusher teardown to enable multiple pipelines in a 
single

[echauchot] Manually generate json and remove jackson

[echauchot] Replace use of http client by use of java.net.HttpUrlConnection and 
deal

[echauchot] Remove DEFAULT_PERIOD constant in favor of already existing

[echauchot] Remove unneeded null check, format

[echauchot] convert MetricsSink to an interface with a single writeMetrics 
method

[echauchot] Remove MetricsSerializer base class and inline serialization in

[echauchot] Dynamically create the sinks by reflection

[echauchot] Split DummyMetricsSink into NoOpMetricsSink (default sink) and

[echauchot] Reduce overhead when no metricsSink is provided, do not start 
polling

[echauchot] Make MetricsPusher a regular object instead of a singleton to allow

[echauchot] Explicitely start MetricsPusher from the runners

[echauchot] Separate MetricsHttpSink POC to a new runners-extensions artifact 
and

[echauchot] Fix cycle bug between teardown() and pushmetrics()

[echauchot] Update MetricsPusher and TestMetricsSink to new serializable

[echauchot] Use regular jackson object mapper to serialize metrics now that 
they are

[echauchot] Give MetricsPusher a bit of time to push before assert in test

[echauchot] Make MetricsPusher thread a daemon

[echauchot] Fix build and clean: dependencies, rat, checkstyle, findbugs, remove

[geet.kumar75] Support kafka versions 0.10.1.0 and above

[echauchot] Move build to gradle

[echauchot] MetricsSink no more needs to be generic

[echauchot] SparkRunnerDebugger does not need to export metrics as it does not 
run

[tgroh] Use Existing Matchers in WatermarkManagerTest

[echauchot] Move MetricsHttpSink and related classes to a new sub-module

[kirpichov] Consistently handle EmptyMatchTreatment

[rangadi] Add 10 millis sleep when there are no elements left in a partition.

------------------------------------------
[...truncated 93.52 KB...]
        at 
org.apache.hadoop.hdfs.server.namenode.FSNamesystem.startFileInt(FSNamesystem.java:2447)
        at 
org.apache.hadoop.hdfs.server.namenode.FSNamesystem.startFile(FSNamesystem.java:2335)
        at 
org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.create(NameNodeRpcServer.java:623)
        at 
org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.create(ClientNamenodeProtocolServerSideTranslatorPB.java:397)
        at 
org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
        at 
org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:616)
        at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:969)
        at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2049)
        at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2045)
        at java.security.AccessController.doPrivileged(Native Method)
        at javax.security.auth.Subject.doAs(Subject.java:415)
        at 
org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2043)

        at org.apache.hadoop.ipc.Client.call(Client.java:1475)
        at org.apache.hadoop.ipc.Client.call(Client.java:1412)
        at 
org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
        at com.sun.proxy.$Proxy61.create(Unknown Source)
        at 
org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.create(ClientNamenodeProtocolTranslatorPB.java:296)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at 
org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:191)
        at 
org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
        at com.sun.proxy.$Proxy62.create(Unknown Source)
        at 
org.apache.hadoop.hdfs.DFSOutputStream.newStreamForCreate(DFSOutputStream.java:1623)
        at org.apache.hadoop.hdfs.DFSClient.create(DFSClient.java:1703)
        at org.apache.hadoop.hdfs.DFSClient.create(DFSClient.java:1638)
        at 
org.apache.hadoop.hdfs.DistributedFileSystem$7.doCall(DistributedFileSystem.java:448)
        at 
org.apache.hadoop.hdfs.DistributedFileSystem$7.doCall(DistributedFileSystem.java:444)
        at 
org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
        at 
org.apache.hadoop.hdfs.DistributedFileSystem.create(DistributedFileSystem.java:459)
        at 
org.apache.hadoop.hdfs.DistributedFileSystem.create(DistributedFileSystem.java:387)
        at org.apache.hadoop.fs.FileSystem.create(FileSystem.java:911)
        at org.apache.hadoop.fs.FileSystem.create(FileSystem.java:892)
        at org.apache.hadoop.fs.FileSystem.create(FileSystem.java:789)
        at org.apache.hadoop.fs.FileSystem.create(FileSystem.java:778)
        at 
org.apache.beam.sdk.io.hdfs.HadoopFileSystem.create(HadoopFileSystem.java:109)
        at 
org.apache.beam.sdk.io.hdfs.HadoopFileSystem.create(HadoopFileSystem.java:68)
        at org.apache.beam.sdk.io.FileSystems.create(FileSystems.java:248)
        at org.apache.beam.sdk.io.FileSystems.create(FileSystems.java:235)
        at 
org.apache.beam.sdk.io.FileBasedSink$Writer.open(FileBasedSink.java:923)
        at 
org.apache.beam.sdk.io.WriteFiles$WriteUnshardedTempFilesWithSpillingFn.processElement(WriteFiles.java:503)
org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.hdfs.server.namenode.SafeModeException):
 Cannot create 
file/TEXTIO_IT__1524528723432/.temp-beam-2018-04-24_00-12-03-0/855c950b-3c57-4468-90e5-875f27c68f3a.
 Name node is in safe mode.
The reported blocks 31 has reached the threshold 0.9990 of total blocks 31. The 
number of live datanodes 1 has reached the minimum number 0. In safe mode 
extension. Safe mode will be turned off automatically in 6 seconds.
        at 
org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkNameNodeSafeMode(FSNamesystem.java:1327)
        at 
org.apache.hadoop.hdfs.server.namenode.FSNamesystem.startFileInt(FSNamesystem.java:2447)
        at 
org.apache.hadoop.hdfs.server.namenode.FSNamesystem.startFile(FSNamesystem.java:2335)
        at 
org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.create(NameNodeRpcServer.java:623)
        at 
org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.create(ClientNamenodeProtocolServerSideTranslatorPB.java:397)
        at 
org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
        at 
org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:616)
        at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:969)
        at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2049)
        at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2045)
        at java.security.AccessController.doPrivileged(Native Method)
        at javax.security.auth.Subject.doAs(Subject.java:415)
        at 
org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2043)

        at org.apache.hadoop.ipc.Client.call(Client.java:1475)
        at org.apache.hadoop.ipc.Client.call(Client.java:1412)
        at 
org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
        at com.sun.proxy.$Proxy61.create(Unknown Source)
        at 
org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.create(ClientNamenodeProtocolTranslatorPB.java:296)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at 
org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:191)
        at 
org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
        at com.sun.proxy.$Proxy62.create(Unknown Source)
        at 
org.apache.hadoop.hdfs.DFSOutputStream.newStreamForCreate(DFSOutputStream.java:1623)
        at org.apache.hadoop.hdfs.DFSClient.create(DFSClient.java:1703)
        at org.apache.hadoop.hdfs.DFSClient.create(DFSClient.java:1638)
        at 
org.apache.hadoop.hdfs.DistributedFileSystem$7.doCall(DistributedFileSystem.java:448)
        at 
org.apache.hadoop.hdfs.DistributedFileSystem$7.doCall(DistributedFileSystem.java:444)
        at 
org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
        at 
org.apache.hadoop.hdfs.DistributedFileSystem.create(DistributedFileSystem.java:459)
        at 
org.apache.hadoop.hdfs.DistributedFileSystem.create(DistributedFileSystem.java:387)
        at org.apache.hadoop.fs.FileSystem.create(FileSystem.java:911)
        at org.apache.hadoop.fs.FileSystem.create(FileSystem.java:892)
        at org.apache.hadoop.fs.FileSystem.create(FileSystem.java:789)
        at org.apache.hadoop.fs.FileSystem.create(FileSystem.java:778)
        at 
org.apache.beam.sdk.io.hdfs.HadoopFileSystem.create(HadoopFileSystem.java:109)
        at 
org.apache.beam.sdk.io.hdfs.HadoopFileSystem.create(HadoopFileSystem.java:68)
        at org.apache.beam.sdk.io.FileSystems.create(FileSystems.java:248)
        at org.apache.beam.sdk.io.FileSystems.create(FileSystems.java:235)
        at 
org.apache.beam.sdk.io.FileBasedSink$Writer.open(FileBasedSink.java:923)
        at 
org.apache.beam.sdk.io.WriteFiles$WriteUnshardedTempFilesWithSpillingFn.processElement(WriteFiles.java:503)
Workflow failed. Causes: S03:Generate 
sequence/Read(BoundedCountingSource)+Create xml records/Map+Write xml 
files/WriteFiles/WriteUnshardedBundlesToTempFiles/WriteUnshardedBundles+Write 
xml files/WriteFiles/GatherTempFileResults/Add void key/AddKeys/Map+Write xml 
files/WriteFiles/GatherTempFileResults/Reshuffle/Window.Into()/Window.Assign+Write
 xml files/WriteFiles/GatherTempFileResults/Reshuffle/GroupByKey/Reify+Write 
xml files/WriteFiles/GatherTempFileResults/Reshuffle/GroupByKey/Write+Write xml 
files/WriteFiles/WriteUnshardedBundlesToTempFiles/GroupUnwritten/Reify+Write 
xml files/WriteFiles/WriteUnshardedBundlesToTempFiles/GroupUnwritten/Write 
failed., A work item was attempted 4 times without success. Each time the 
worker eventually lost contact with the service. The work item was attempted 
on: 
  xmlioit0writethenreadall--04231712-bi69-harness-d6zh,
  xmlioit0writethenreadall--04231712-bi69-harness-fjfq,
  xmlioit0writethenreadall--04231712-bi69-harness-fhhj,
  xmlioit0writethenreadall--04231712-bi69-harness-bkg9
        at 
org.apache.beam.runners.dataflow.TestDataflowRunner.run(TestDataflowRunner.java:134)
        at 
org.apache.beam.runners.dataflow.TestDataflowRunner.run(TestDataflowRunner.java:90)
        at 
org.apache.beam.runners.dataflow.TestDataflowRunner.run(TestDataflowRunner.java:55)
        at org.apache.beam.sdk.Pipeline.run(Pipeline.java:311)
        at org.apache.beam.sdk.testing.TestPipeline.run(TestPipeline.java:346)
        at org.apache.beam.sdk.testing.TestPipeline.run(TestPipeline.java:328)
        at org.apache.beam.sdk.io.xml.XmlIOIT.writeThenReadAll(XmlIOIT.java:133)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at 
org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
        at 
org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
        at 
org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
        at 
org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
        at 
org.apache.beam.sdk.testing.TestPipeline$1.evaluate(TestPipeline.java:317)
        at org.junit.rules.RunRules.evaluate(RunRules.java:20)
        at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
        at 
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
        at 
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
        at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
        at 
org.apache.maven.surefire.junitcore.pc.Scheduler$1.run(Scheduler.java:410)
        at 
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)

[INFO] 
[INFO] Results:
[INFO] 
[ERROR] Errors: 
[ERROR]   XmlIOIT.writeThenReadAll:133  Runtime 
org.apache.hadoop.ipc.RemoteException(o...
[INFO] 
[ERROR] Tests run: 1, Failures: 0, Errors: 1, Skipped: 0
[INFO] 
[INFO] 
[INFO] --- maven-dependency-plugin:3.0.2:analyze-only (default) @ 
beam-sdks-java-io-file-based-io-tests ---
[INFO] No dependency problems found
[INFO] 
[INFO] --- maven-failsafe-plugin:2.21.0:verify (default) @ 
beam-sdks-java-io-file-based-io-tests ---
[INFO] Failsafe report directory: 
<https://builds.apache.org/job/beam_PerformanceTests_XmlIOIT_HDFS/ws/runs/c2da3036/beam/sdks/java/io/file-based-io-tests/target/failsafe-reports>
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 04:13 min
[INFO] Finished at: 2018-04-24T00:15:47Z
[INFO] Final Memory: 109M/1474M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal 
org.apache.maven.plugins:maven-failsafe-plugin:2.21.0:verify (default) on 
project beam-sdks-java-io-file-based-io-tests: There are test failures.
[ERROR] 
[ERROR] Please refer to 
<https://builds.apache.org/job/beam_PerformanceTests_XmlIOIT_HDFS/ws/runs/c2da3036/beam/sdks/java/io/file-based-io-tests/target/failsafe-reports>
 for the individual test results.
[ERROR] Please refer to dump files (if any exist) [date]-jvmRun[N].dump, 
[date].dumpstream and [date]-jvmRun[N].dumpstream.
[ERROR] -> [Help 1]
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal 
org.apache.maven.plugins:maven-failsafe-plugin:2.21.0:verify (default) on 
project beam-sdks-java-io-file-based-io-tests: There are test failures.

Please refer to 
<https://builds.apache.org/job/beam_PerformanceTests_XmlIOIT_HDFS/ws/runs/c2da3036/beam/sdks/java/io/file-based-io-tests/target/failsafe-reports>
 for the individual test results.
Please refer to dump files (if any exist) [date]-jvmRun[N].dump, 
[date].dumpstream and [date]-jvmRun[N].dumpstream.
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
(MojoExecutor.java:213)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
(MojoExecutor.java:154)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
(MojoExecutor.java:146)
    at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject 
(LifecycleModuleBuilder.java:117)
    at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject 
(LifecycleModuleBuilder.java:81)
    at 
org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build
 (SingleThreadedBuilder.java:51)
    at org.apache.maven.lifecycle.internal.LifecycleStarter.execute 
(LifecycleStarter.java:128)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:309)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:194)
    at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:107)
    at org.apache.maven.cli.MavenCli.execute (MavenCli.java:955)
    at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:290)
    at org.apache.maven.cli.MavenCli.main (MavenCli.java:194)
    at sun.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke 
(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke 
(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke (Method.java:498)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced 
(Launcher.java:289)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launch 
(Launcher.java:229)
    at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode 
(Launcher.java:415)
    at org.codehaus.plexus.classworlds.launcher.Launcher.main 
(Launcher.java:356)
Caused by: org.apache.maven.plugin.MojoFailureException: There are test 
failures.

Please refer to 
<https://builds.apache.org/job/beam_PerformanceTests_XmlIOIT_HDFS/ws/runs/c2da3036/beam/sdks/java/io/file-based-io-tests/target/failsafe-reports>
 for the individual test results.
Please refer to dump files (if any exist) [date]-jvmRun[N].dump, 
[date].dumpstream and [date]-jvmRun[N].dumpstream.
    at org.apache.maven.plugin.surefire.SurefireHelper.throwException 
(SurefireHelper.java:240)
    at org.apache.maven.plugin.surefire.SurefireHelper.reportExecution 
(SurefireHelper.java:112)
    at org.apache.maven.plugin.failsafe.VerifyMojo.execute (VerifyMojo.java:192)
    at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo 
(DefaultBuildPluginManager.java:134)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
(MojoExecutor.java:208)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
(MojoExecutor.java:154)
    at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
(MojoExecutor.java:146)
    at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject 
(LifecycleModuleBuilder.java:117)
    at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject 
(LifecycleModuleBuilder.java:81)
    at 
org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build
 (SingleThreadedBuilder.java:51)
    at org.apache.maven.lifecycle.internal.LifecycleStarter.execute 
(LifecycleStarter.java:128)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:309)
    at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:194)
    at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:107)
    at org.apache.maven.cli.MavenCli.execute (MavenCli.java:955)
    at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:290)
    at org.apache.maven.cli.MavenCli.main (MavenCli.java:194)
    at sun.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke 
(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke 
(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke (Method.java:498)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced 
(Launcher.java:289)
    at org.codehaus.plexus.classworlds.launcher.Launcher.launch 
(Launcher.java:229)
    at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode 
(Launcher.java:415)
    at org.codehaus.plexus.classworlds.launcher.Launcher.main 
(Launcher.java:356)
[ERROR] 
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR] 
[ERROR] For more information about the errors and possible solutions, please 
read the following articles:
[ERROR] [Help 1] 
http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException

STDERR: 
2018-04-24 00:15:47,672 c2da3036 MainThread beam_integration_benchmark(1/1) 
ERROR    Error during benchmark beam_integration_benchmark
Traceback (most recent call last):
  File 
"<https://builds.apache.org/job/beam_PerformanceTests_XmlIOIT_HDFS/ws/PerfKitBenchmarker/perfkitbenchmarker/pkb.py";,>
 line 646, in RunBenchmark
    DoRunPhase(spec, collector, detailed_timer)
  File 
"<https://builds.apache.org/job/beam_PerformanceTests_XmlIOIT_HDFS/ws/PerfKitBenchmarker/perfkitbenchmarker/pkb.py";,>
 line 526, in DoRunPhase
    samples = spec.BenchmarkRun(spec)
  File 
"<https://builds.apache.org/job/beam_PerformanceTests_XmlIOIT_HDFS/ws/PerfKitBenchmarker/perfkitbenchmarker/linux_benchmarks/beam_integration_benchmark.py";,>
 line 159, in Run
    job_type=job_type)
  File 
"<https://builds.apache.org/job/beam_PerformanceTests_XmlIOIT_HDFS/ws/PerfKitBenchmarker/perfkitbenchmarker/providers/gcp/gcp_dpb_dataflow.py";,>
 line 90, in SubmitJob
    assert retcode == 0, "Integration Test Failed."
AssertionError: Integration Test Failed.
2018-04-24 00:15:47,709 c2da3036 MainThread beam_integration_benchmark(1/1) 
INFO     Cleaning up benchmark beam_integration_benchmark
2018-04-24 00:15:47,710 c2da3036 MainThread beam_integration_benchmark(1/1) 
INFO     Running: kubectl 
--kubeconfig=<https://builds.apache.org/job/beam_PerformanceTests_XmlIOIT_HDFS/ws/config-filebasedioithdfs-1524513683709>
 delete -f 
<https://builds.apache.org/job/beam_PerformanceTests_XmlIOIT_HDFS/ws/src/.test-infra/kubernetes/hadoop/SmallITCluster/hdfs-single-datanode-cluster.yml>
2018-04-24 00:15:51,057 c2da3036 MainThread beam_integration_benchmark(1/1) 
INFO     Running: kubectl 
--kubeconfig=<https://builds.apache.org/job/beam_PerformanceTests_XmlIOIT_HDFS/ws/config-filebasedioithdfs-1524513683709>
 delete -f 
<https://builds.apache.org/job/beam_PerformanceTests_XmlIOIT_HDFS/ws/src/.test-infra/kubernetes/hadoop/SmallITCluster/hdfs-single-datanode-cluster-for-local-dev.yml>
2018-04-24 00:15:51,268 c2da3036 MainThread beam_integration_benchmark(1/1) 
ERROR    Exception running benchmark
Traceback (most recent call last):
  File 
"<https://builds.apache.org/job/beam_PerformanceTests_XmlIOIT_HDFS/ws/PerfKitBenchmarker/perfkitbenchmarker/pkb.py";,>
 line 780, in RunBenchmarkTask
    RunBenchmark(spec, collector)
  File 
"<https://builds.apache.org/job/beam_PerformanceTests_XmlIOIT_HDFS/ws/PerfKitBenchmarker/perfkitbenchmarker/pkb.py";,>
 line 646, in RunBenchmark
    DoRunPhase(spec, collector, detailed_timer)
  File 
"<https://builds.apache.org/job/beam_PerformanceTests_XmlIOIT_HDFS/ws/PerfKitBenchmarker/perfkitbenchmarker/pkb.py";,>
 line 526, in DoRunPhase
    samples = spec.BenchmarkRun(spec)
  File 
"<https://builds.apache.org/job/beam_PerformanceTests_XmlIOIT_HDFS/ws/PerfKitBenchmarker/perfkitbenchmarker/linux_benchmarks/beam_integration_benchmark.py";,>
 line 159, in Run
    job_type=job_type)
  File 
"<https://builds.apache.org/job/beam_PerformanceTests_XmlIOIT_HDFS/ws/PerfKitBenchmarker/perfkitbenchmarker/providers/gcp/gcp_dpb_dataflow.py";,>
 line 90, in SubmitJob
    assert retcode == 0, "Integration Test Failed."
AssertionError: Integration Test Failed.
2018-04-24 00:15:51,268 c2da3036 MainThread beam_integration_benchmark(1/1) 
ERROR    Benchmark 1/1 beam_integration_benchmark (UID: 
beam_integration_benchmark0) failed. Execution will continue.
2018-04-24 00:15:51,304 c2da3036 MainThread INFO     Benchmark run statuses:
---------------------------------------------------------------------------------
Name                        UID                          Status  Failed 
Substatus
---------------------------------------------------------------------------------
beam_integration_benchmark  beam_integration_benchmark0  FAILED                 
 
---------------------------------------------------------------------------------
Success rate: 0.00% (0/1)
2018-04-24 00:15:51,304 c2da3036 MainThread INFO     Complete logs can be found 
at: 
<https://builds.apache.org/job/beam_PerformanceTests_XmlIOIT_HDFS/ws/runs/c2da3036/pkb.log>
2018-04-24 00:15:51,305 c2da3036 MainThread INFO     Completion statuses can be 
found at: 
<https://builds.apache.org/job/beam_PerformanceTests_XmlIOIT_HDFS/ws/runs/c2da3036/completion_statuses.json>
Build step 'Execute shell' marked build as failure

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