See 
<https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Flink/5167/display/redirect>

------------------------------------------
[...truncated 155.54 KB...]
2018-03-06T18:28:04.520 [INFO] Tests run: 3, Failures: 0, Errors: 0, Skipped: 
0, Time elapsed: 0.001 s - in 
org.apache.beam.runners.core.triggers.ReshuffleTriggerStateMachineTest
2018-03-06T18:28:04.525 [INFO] Running 
org.apache.beam.runners.core.triggers.AfterSynchronizedProcessingTimeStateMachineTest
2018-03-06T18:28:04.569 [INFO] Tests run: 2, Failures: 0, Errors: 0, Skipped: 
0, Time elapsed: 0.04 s - in 
org.apache.beam.runners.core.triggers.AfterSynchronizedProcessingTimeStateMachineTest
2018-03-06T18:28:04.570 [INFO] Running 
org.apache.beam.runners.core.SimplePushbackSideInputDoFnRunnerTest
2018-03-06T18:28:05.121 [INFO] Tests run: 7, Failures: 0, Errors: 0, Skipped: 
0, Time elapsed: 0.546 s - in 
org.apache.beam.runners.core.SimplePushbackSideInputDoFnRunnerTest
2018-03-06T18:28:05.121 [INFO] Running 
org.apache.beam.runners.core.metrics.MetricsContainerImplTest
2018-03-06T18:28:05.132 [INFO] Tests run: 3, Failures: 0, Errors: 0, Skipped: 
0, Time elapsed: 0.007 s - in 
org.apache.beam.runners.core.metrics.MetricsContainerImplTest
2018-03-06T18:28:05.132 [INFO] Running 
org.apache.beam.runners.core.LateDataDroppingDoFnRunnerTest
2018-03-06T18:28:05.142 [INFO] Tests run: 1, Failures: 0, Errors: 0, Skipped: 
0, Time elapsed: 0.006 s - in 
org.apache.beam.runners.core.LateDataDroppingDoFnRunnerTest
2018-03-06T18:28:05.156 [INFO] Running 
org.apache.beam.runners.core.SplittableParDoProcessFnTest
2018-03-06T18:28:06.934 [INFO] Tests run: 6, Failures: 0, Errors: 0, Skipped: 
0, Time elapsed: 1.774 s - in 
org.apache.beam.runners.core.SplittableParDoProcessFnTest
2018-03-06T18:28:06.934 [INFO] Running 
org.apache.beam.runners.core.WindowMatchersTest
2018-03-06T18:28:06.939 [INFO] Tests run: 2, Failures: 0, Errors: 0, Skipped: 
0, Time elapsed: 0.001 s - in org.apache.beam.runners.core.WindowMatchersTest
2018-03-06T18:28:06.940 [INFO] Running 
org.apache.beam.runners.core.TimerInternalsTest
2018-03-06T18:28:06.962 [INFO] Tests run: 7, Failures: 0, Errors: 0, Skipped: 
0, Time elapsed: 0.017 s - in org.apache.beam.runners.core.TimerInternalsTest
2018-03-06T18:28:06.962 [INFO] Running 
org.apache.beam.runners.core.triggers.OrFinallyStateMachineTest
2018-03-06T18:28:06.977 [INFO] Tests run: 5, Failures: 0, Errors: 0, Skipped: 
0, Time elapsed: 0.011 s - in 
org.apache.beam.runners.core.triggers.OrFinallyStateMachineTest
2018-03-06T18:28:07.491 [INFO] 
2018-03-06T18:28:07.491 [INFO] Results:
2018-03-06T18:28:07.491 [INFO] 
2018-03-06T18:28:07.491 [INFO] Tests run: 246, Failures: 0, Errors: 0, Skipped: 0
2018-03-06T18:28:07.491 [INFO] 
[JENKINS] Recording test results
2018-03-06T18:28:08.197 [INFO] 
2018-03-06T18:28:08.198 [INFO] --- 
build-helper-maven-plugin:3.0.0:regex-properties (render-artifact-id) @ 
beam-runners-core-java ---
2018-03-06T18:28:08.305 [INFO] 
2018-03-06T18:28:08.305 [INFO] --- jacoco-maven-plugin:0.7.9:report (report) @ 
beam-runners-core-java ---
2018-03-06T18:28:08.307 [INFO] Loading execution data file 
<https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Flink/ws/src/runners/core-java/target/jacoco.exec>
2018-03-06T18:28:08.424 [INFO] Analyzed bundle 'Apache Beam :: Runners :: Core 
Java' with 176 classes
2018-03-06T18:28:09.474 [INFO] 
2018-03-06T18:28:09.474 [INFO] --- maven-jar-plugin:3.0.2:jar (default-jar) @ 
beam-runners-core-java ---
2018-03-06T18:28:09.558 [INFO] Building jar: 
<https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Flink/ws/src/runners/core-java/target/beam-runners-core-java-2.5.0-SNAPSHOT.jar>
2018-03-06T18:28:09.769 [INFO] 
2018-03-06T18:28:09.769 [INFO] --- maven-site-plugin:3.7:attach-descriptor 
(attach-descriptor) @ beam-runners-core-java ---
2018-03-06T18:28:09.770 [INFO] Skipping because packaging 'jar' is not pom.
2018-03-06T18:28:09.983 [INFO] 
2018-03-06T18:28:09.983 [INFO] --- maven-jar-plugin:3.0.2:test-jar 
(default-test-jar) @ beam-runners-core-java ---
2018-03-06T18:28:10.026 [INFO] Building jar: 
<https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Flink/ws/src/runners/core-java/target/beam-runners-core-java-2.5.0-SNAPSHOT-tests.jar>
2018-03-06T18:28:10.181 [INFO] 
2018-03-06T18:28:10.181 [INFO] --- maven-shade-plugin:3.1.0:shade 
(bundle-and-repackage) @ beam-runners-core-java ---
2018-03-06T18:28:10.185 [INFO] Excluding 
org.apache.beam:beam-model-pipeline:jar:2.5.0-SNAPSHOT from the shaded jar.
2018-03-06T18:28:10.186 [INFO] Excluding 
com.google.protobuf:protobuf-java:jar:3.2.0 from the shaded jar.
2018-03-06T18:28:10.186 [INFO] Excluding 
org.apache.beam:beam-model-fn-execution:jar:2.5.0-SNAPSHOT from the shaded jar.
2018-03-06T18:28:10.186 [INFO] Excluding io.grpc:grpc-core:jar:1.2.0 from the 
shaded jar.
2018-03-06T18:28:10.186 [INFO] Excluding 
com.google.errorprone:error_prone_annotations:jar:2.0.15 from the shaded jar.
2018-03-06T18:28:10.186 [INFO] Excluding io.grpc:grpc-context:jar:1.2.0 from 
the shaded jar.
2018-03-06T18:28:10.187 [INFO] Excluding 
com.google.instrumentation:instrumentation-api:jar:0.3.0 from the shaded jar.
2018-03-06T18:28:10.187 [INFO] Excluding io.grpc:grpc-protobuf:jar:1.2.0 from 
the shaded jar.
2018-03-06T18:28:10.187 [INFO] Excluding io.grpc:grpc-protobuf-lite:jar:1.2.0 
from the shaded jar.
2018-03-06T18:28:10.187 [INFO] Excluding io.grpc:grpc-stub:jar:1.2.0 from the 
shaded jar.
2018-03-06T18:28:10.187 [INFO] Excluding 
org.apache.beam:beam-sdks-java-core:jar:2.5.0-SNAPSHOT from the shaded jar.
2018-03-06T18:28:10.187 [INFO] Excluding 
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com.fasterxml.jackson.core:jackson-databind:jar:2.8.9 from the shaded jar.
2018-03-06T18:28:10.188 [INFO] Excluding org.slf4j:slf4j-api:jar:1.7.25 from 
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2018-03-06T18:28:10.188 [INFO] Excluding org.apache.avro:avro:jar:1.8.2 from 
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2018-03-06T18:28:10.189 [INFO] Excluding 
com.thoughtworks.paranamer:paranamer:jar:2.7 from the shaded jar.
2018-03-06T18:28:10.189 [INFO] Excluding org.tukaani:xz:jar:1.5 from the shaded 
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2018-03-06T18:28:10.189 [INFO] Excluding 
org.xerial.snappy:snappy-java:jar:1.1.4 from the shaded jar.
2018-03-06T18:28:10.189 [INFO] Excluding 
org.apache.commons:commons-compress:jar:1.14 from the shaded jar.
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2018-03-06T18:28:10.189 [INFO] Excluding 
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shaded jar.
2018-03-06T18:28:10.189 [INFO] Excluding 
org.apache.beam:beam-model-job-management:jar:2.5.0-SNAPSHOT from the shaded 
jar.
2018-03-06T18:28:10.190 [INFO] Excluding 
com.google.protobuf:protobuf-java-util:jar:3.2.0 from the shaded jar.
2018-03-06T18:28:10.190 [INFO] Excluding com.google.code.gson:gson:jar:2.7 from 
the shaded jar.
2018-03-06T18:28:10.190 [INFO] Excluding 
com.github.stephenc.findbugs:findbugs-annotations:jar:1.3.9-1 from the shaded 
jar.
2018-03-06T18:28:10.190 [INFO] Excluding 
com.google.code.findbugs:jsr305:jar:3.0.1 from the shaded jar.
2018-03-06T18:28:10.190 [INFO] Including com.google.guava:guava:jar:20.0 in the 
shaded jar.
2018-03-06T18:28:10.190 [INFO] Excluding joda-time:joda-time:jar:2.4 from the 
shaded jar.
2018-03-06T18:28:16.061 [INFO] Replacing original artifact with shaded artifact.
2018-03-06T18:28:16.064 [INFO] Replacing 
<https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Flink/ws/src/runners/core-java/target/beam-runners-core-java-2.5.0-SNAPSHOT.jar>
 with 
<https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Flink/ws/src/runners/core-java/target/beam-runners-core-java-2.5.0-SNAPSHOT-shaded.jar>
2018-03-06T18:28:16.064 [INFO] Replacing original test artifact with shaded 
test artifact.
2018-03-06T18:28:16.065 [INFO] Replacing 
<https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Flink/ws/src/runners/core-java/target/beam-runners-core-java-2.5.0-SNAPSHOT-tests.jar>
 with 
<https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Flink/ws/src/runners/core-java/target/beam-runners-core-java-2.5.0-SNAPSHOT-shaded-tests.jar>
2018-03-06T18:28:16.065 [INFO] Dependency-reduced POM written at: 
<https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Flink/ws/src/runners/core-java/dependency-reduced-pom.xml>
2018-03-06T18:28:16.350 [INFO] 
2018-03-06T18:28:16.350 [INFO] --- maven-dependency-plugin:3.0.2:analyze-only 
(default) @ beam-runners-core-java ---
2018-03-06T18:28:16.685 [INFO] No dependency problems found
[JENKINS] Archiving disabled
2018-03-06T18:28:18.403 [INFO] 
2018-03-06T18:28:18.403 [INFO] 
------------------------------------------------------------------------
2018-03-06T18:28:18.403 [INFO] Building Apache Beam :: Runners :: Flink 
2.5.0-SNAPSHOT
2018-03-06T18:28:18.403 [INFO] 
------------------------------------------------------------------------
2018-03-06T18:28:19.121 [INFO] 
2018-03-06T18:28:19.121 [INFO] --- maven-clean-plugin:3.0.0:clean 
(default-clean) @ beam-runners-flink_2.11 ---
2018-03-06T18:28:19.125 [INFO] Deleting 
<https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Flink/ws/src/runners/flink>
 (includes = [**/*.pyc, **/*.egg-info/, **/sdks/python/LICENSE, 
**/sdks/python/NOTICE, **/sdks/python/README.md, 
**/sdks/python/apache_beam/portability/api/*pb2*.*, 
**/sdks/python/apache_beam/portability/common_urns.py, **/sdks/python/**/*.c, 
**/sdks/python/**/*.so, **/sdks/python/**/*.egg], excludes = [])
2018-03-06T18:28:19.329 [INFO] 
2018-03-06T18:28:19.329 [INFO] --- maven-enforcer-plugin:3.0.0-M1:enforce 
(enforce-maven-version) @ beam-runners-flink_2.11 ---
2018-03-06T18:28:21.021 [INFO] 
2018-03-06T18:28:21.022 [INFO] --- maven-enforcer-plugin:3.0.0-M1:enforce 
(enforce) @ beam-runners-flink_2.11 ---
2018-03-06T18:28:23.631 [INFO] Adding ignore: module-info
2018-03-06T18:28:25.731 [INFO] 
2018-03-06T18:28:25.731 [INFO] --- maven-enforcer-plugin:3.0.0-M1:enforce 
(enforce-banned-dependencies) @ beam-runners-flink_2.11 ---
2018-03-06T18:28:25.946 [INFO] 
2018-03-06T18:28:25.946 [INFO] --- maven-remote-resources-plugin:1.5:process 
(process-resource-bundles) @ beam-runners-flink_2.11 ---
2018-03-06T18:28:29.541 [INFO] 
2018-03-06T18:28:29.541 [INFO] --- maven-resources-plugin:3.0.2:resources 
(default-resources) @ beam-runners-flink_2.11 ---
2018-03-06T18:28:29.544 [INFO] Using 'UTF-8' encoding to copy filtered 
resources.
2018-03-06T18:28:29.544 [INFO] Copying 1 resource
2018-03-06T18:28:29.564 [INFO] Copying 3 resources
2018-03-06T18:28:29.746 [INFO] 
2018-03-06T18:28:29.747 [INFO] --- maven-compiler-plugin:3.7.0:compile 
(default-compile) @ beam-runners-flink_2.11 ---
2018-03-06T18:28:29.787 [INFO] Changes detected - recompiling the module!
2018-03-06T18:28:29.788 [INFO] Compiling 75 source files to 
<https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Flink/ws/src/runners/flink/target/classes>
2018-03-06T18:28:32.414 [INFO] 
<https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Flink/ws/src/runners/flink/src/main/java/org/apache/beam/runners/flink/translation/wrappers/streaming/io/DedupingOperator.java>:
 Some input files use or override a deprecated API.
2018-03-06T18:28:32.416 [INFO] 
<https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Flink/ws/src/runners/flink/src/main/java/org/apache/beam/runners/flink/translation/wrappers/streaming/io/DedupingOperator.java>:
 Recompile with -Xlint:deprecation for details.
2018-03-06T18:28:32.416 [INFO] 
<https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Flink/ws/src/runners/flink/src/main/java/org/apache/beam/runners/flink/FlinkStreamingPipelineTranslator.java>:
 Some input files use unchecked or unsafe operations.
2018-03-06T18:28:32.416 [INFO] 
<https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Flink/ws/src/runners/flink/src/main/java/org/apache/beam/runners/flink/FlinkStreamingPipelineTranslator.java>:
 Recompile with -Xlint:unchecked for details.
2018-03-06T18:28:32.625 [INFO] 
2018-03-06T18:28:32.626 [INFO] --- maven-resources-plugin:3.0.2:testResources 
(default-testResources) @ beam-runners-flink_2.11 ---
2018-03-06T18:28:32.627 [INFO] Using 'UTF-8' encoding to copy filtered 
resources.
2018-03-06T18:28:32.627 [INFO] Copying 1 resource
2018-03-06T18:28:32.629 [INFO] Copying 3 resources
2018-03-06T18:28:32.774 [INFO] 
2018-03-06T18:28:32.774 [INFO] --- maven-compiler-plugin:3.7.0:testCompile 
(default-testCompile) @ beam-runners-flink_2.11 ---
2018-03-06T18:28:32.790 [INFO] Changes detected - recompiling the module!
2018-03-06T18:28:32.790 [INFO] Compiling 20 source files to 
<https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Flink/ws/src/runners/flink/target/test-classes>
2018-03-06T18:28:34.482 [INFO] 
<https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Flink/ws/src/runners/flink/src/test/java/org/apache/beam/runners/flink/streaming/DoFnOperatorTest.java>:
 Some input files use unchecked or unsafe operations.
2018-03-06T18:28:34.483 [INFO] 
<https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Flink/ws/src/runners/flink/src/test/java/org/apache/beam/runners/flink/streaming/DoFnOperatorTest.java>:
 Recompile with -Xlint:unchecked for details.
2018-03-06T18:28:34.691 [INFO] 
2018-03-06T18:28:34.691 [INFO] --- maven-checkstyle-plugin:3.0.0:check 
(default) @ beam-runners-flink_2.11 ---
2018-03-06T18:28:37.501 [INFO] Starting audit...
[ERROR] 
<https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Flink/ws/src/runners/flink/src/main/java/org/apache/beam/runners/flink/FlinkStreamingPipelineTranslator.java>:23:
 Extra separation in import group before 
'com.google.common.annotations.VisibleForTesting' [ImportOrder]
[ERROR] 
<https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Flink/ws/src/runners/flink/src/main/java/org/apache/beam/runners/flink/FlinkStreamingPipelineTranslator.java>:23:
 Import com.google.common.annotations.VisibleForTesting appears after other 
imports that it should precede [ImportOrder]
[ERROR] 
<https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Flink/ws/src/runners/flink/src/main/java/org/apache/beam/runners/flink/FlinkStreamingPipelineTranslator.java>:48:
 Extra separation in import group before 'java.util.Collections' [ImportOrder]
[ERROR] 
<https://builds.apache.org/job/beam_PostCommit_Java_ValidatesRunner_Flink/ws/src/runners/flink/src/main/java/org/apache/beam/runners/flink/FlinkStreamingPipelineTranslator.java>:48:
 Import java.util.Collections appears after other imports that it should 
precede [ImportOrder]
Audit done.
2018-03-06T18:28:37.501 [INFO] There are 4 errors reported by Checkstyle 8.7 
with beam/checkstyle.xml ruleset.
2018-03-06T18:28:37.502 [ERROR] 
src/main/java/org/apache/beam/runners/flink/FlinkStreamingPipelineTranslator.java:[23]
 (imports) ImportOrder: Extra separation in import group before 
'com.google.common.annotations.VisibleForTesting'
2018-03-06T18:28:37.502 [ERROR] 
src/main/java/org/apache/beam/runners/flink/FlinkStreamingPipelineTranslator.java:[23]
 (imports) ImportOrder: Import com.google.common.annotations.VisibleForTesting 
appears after other imports that it should precede
2018-03-06T18:28:37.503 [ERROR] 
src/main/java/org/apache/beam/runners/flink/FlinkStreamingPipelineTranslator.java:[48]
 (imports) ImportOrder: Extra separation in import group before 
'java.util.Collections'
2018-03-06T18:28:37.503 [ERROR] 
src/main/java/org/apache/beam/runners/flink/FlinkStreamingPipelineTranslator.java:[48]
 (imports) ImportOrder: Import java.util.Collections appears after other 
imports that it should precede
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2018-03-06T18:28:47.015 [INFO] 
------------------------------------------------------------------------
2018-03-06T18:28:47.015 [INFO] Reactor Summary:
2018-03-06T18:28:47.015 [INFO] 
2018-03-06T18:28:47.015 [INFO] Apache Beam :: Parent 
.............................. SUCCESS [ 15.815 s]
2018-03-06T18:28:47.015 [INFO] Apache Beam :: SDKs :: Java :: Build Tools 
......... SUCCESS [ 13.494 s]
2018-03-06T18:28:47.015 [INFO] Apache Beam :: Model 
............................... SUCCESS [  1.773 s]
2018-03-06T18:28:47.015 [INFO] Apache Beam :: Model :: Pipeline 
................... SUCCESS [ 21.674 s]
2018-03-06T18:28:47.015 [INFO] Apache Beam :: Model :: Job Management 
............. SUCCESS [ 15.006 s]
2018-03-06T18:28:47.015 [INFO] Apache Beam :: Model :: Fn Execution 
............... SUCCESS [ 21.464 s]
2018-03-06T18:28:47.016 [INFO] Apache Beam :: SDKs 
................................ SUCCESS [  2.781 s]
2018-03-06T18:28:47.016 [INFO] Apache Beam :: SDKs :: Java 
........................ SUCCESS [  2.720 s]
2018-03-06T18:28:47.016 [INFO] Apache Beam :: SDKs :: Java :: Core 
................ SUCCESS [05:59 min]
2018-03-06T18:28:47.016 [INFO] Apache Beam :: Runners 
............................. SUCCESS [  2.672 s]
2018-03-06T18:28:47.016 [INFO] Apache Beam :: Runners :: Core Construction Java 
... SUCCESS [ 41.540 s]
2018-03-06T18:28:47.016 [INFO] Apache Beam :: Runners :: Core Java 
................ SUCCESS [ 56.455 s]
2018-03-06T18:28:47.016 [INFO] Apache Beam :: Runners :: Flink 
.................... FAILURE [ 19.572 s]
2018-03-06T18:28:47.016 [INFO] 
------------------------------------------------------------------------
2018-03-06T18:28:47.016 [INFO] BUILD FAILURE
2018-03-06T18:28:47.016 [INFO] 
------------------------------------------------------------------------
2018-03-06T18:28:47.016 [INFO] Total time: 10:53 min
2018-03-06T18:28:47.016 [INFO] Finished at: 2018-03-06T18:28:47Z
[JENKINS] Archiving disabled
2018-03-06T18:28:48.644 [INFO] Final Memory: 133M/1658M
2018-03-06T18:28:48.644 [INFO] 
------------------------------------------------------------------------
2018-03-06T18:28:48.650 [ERROR] Failed to execute goal 
org.apache.maven.plugins:maven-checkstyle-plugin:3.0.0:check (default) on 
project beam-runners-flink_2.11: You have 4 Checkstyle violations. -> [Help 1]
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal 
org.apache.maven.plugins:maven-checkstyle-plugin:3.0.0:check (default) on 
project beam-runners-flink_2.11: You have 4 Checkstyle violations.
    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.jvnet.hudson.maven3.launcher.Maven35Launcher.main 
(Maven35Launcher.java:130)
    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 jenkins.maven3.agent.Maven35Main.launch (Maven35Main.java:176)
    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 hudson.maven.Maven3Builder.call (Maven3Builder.java:139)
    at hudson.maven.Maven3Builder.call (Maven3Builder.java:70)
    at hudson.remoting.UserRequest.perform (UserRequest.java:207)
    at hudson.remoting.UserRequest.perform (UserRequest.java:53)
    at hudson.remoting.Request$2.run (Request.java:358)
    at hudson.remoting.InterceptingExecutorService$1.call 
(InterceptingExecutorService.java:72)
    at java.util.concurrent.FutureTask.run (FutureTask.java:266)
    at java.util.concurrent.ThreadPoolExecutor.runWorker 
(ThreadPoolExecutor.java:1149)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run 
(ThreadPoolExecutor.java:624)
    at java.lang.Thread.run (Thread.java:748)
Caused by: org.apache.maven.plugin.MojoFailureException: You have 4 Checkstyle 
violations.
    at org.apache.maven.plugins.checkstyle.CheckstyleViolationCheckMojo.execute 
(CheckstyleViolationCheckMojo.java:576)
    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.jvnet.hudson.maven3.launcher.Maven35Launcher.main 
(Maven35Launcher.java:130)
    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 jenkins.maven3.agent.Maven35Main.launch (Maven35Main.java:176)
    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 hudson.maven.Maven3Builder.call (Maven3Builder.java:139)
    at hudson.maven.Maven3Builder.call (Maven3Builder.java:70)
    at hudson.remoting.UserRequest.perform (UserRequest.java:207)
    at hudson.remoting.UserRequest.perform (UserRequest.java:53)
    at hudson.remoting.Request$2.run (Request.java:358)
    at hudson.remoting.InterceptingExecutorService$1.call 
(InterceptingExecutorService.java:72)
    at java.util.concurrent.FutureTask.run (FutureTask.java:266)
    at java.util.concurrent.ThreadPoolExecutor.runWorker 
(ThreadPoolExecutor.java:1149)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run 
(ThreadPoolExecutor.java:624)
    at java.lang.Thread.run (Thread.java:748)
2018-03-06T18:28:48.682 [ERROR] 
2018-03-06T18:28:48.682 [ERROR] Re-run Maven using the -X switch to enable full 
debug logging.
2018-03-06T18:28:48.682 [ERROR] 
2018-03-06T18:28:48.682 [ERROR] For more information about the errors and 
possible solutions, please read the following articles:
2018-03-06T18:28:48.682 [ERROR] [Help 1] 
http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException
2018-03-06T18:28:48.682 [ERROR] 
2018-03-06T18:28:48.682 [ERROR] After correcting the problems, you can resume 
the build with the command
2018-03-06T18:28:48.682 [ERROR]   mvn <goals> -rf :beam-runners-flink_2.11
channel stopped

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