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https://issues.apache.org/jira/browse/FLINK-16636?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17076393#comment-17076393
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Robert Metzger commented on FLINK-16636:
----------------------------------------
I'm going to merge a change soon that dumps the JVM heap on failures, and
uploads the heap to Azure, so that we can download it. With that change in
place, we could get an indication of there's leaked objects.
> TableEnvironmentITCase is crashing on Travis
> --------------------------------------------
>
> Key: FLINK-16636
> URL: https://issues.apache.org/jira/browse/FLINK-16636
> Project: Flink
> Issue Type: Bug
> Components: Table SQL / Planner
> Affects Versions: 1.11.0
> Reporter: Jark Wu
> Priority: Blocker
> Labels: test-stability
> Fix For: 1.11.0
>
>
> Here is the instance and exception stack:
> https://api.travis-ci.org/v3/job/663408376/log.txt
> But there is not too much helpful information there, maybe a accidental maven
> problem.
> {code}
> 09:55:07.703 [ERROR] Failed to execute goal
> org.apache.maven.plugins:maven-surefire-plugin:2.22.1:test
> (integration-tests) on project flink-table-planner-blink_2.11: There are test
> failures.
> 09:55:07.703 [ERROR]
> 09:55:07.703 [ERROR] Please refer to
> /home/travis/build/apache/flink/flink-table/flink-table-planner-blink/target/surefire-reports
> for the individual test results.
> 09:55:07.703 [ERROR] Please refer to dump files (if any exist) [date].dump,
> [date]-jvmRun[N].dump and [date].dumpstream.
> 09:55:07.703 [ERROR] ExecutionException The forked VM terminated without
> properly saying goodbye. VM crash or System.exit called?
> 09:55:07.703 [ERROR] Command was /bin/sh -c cd
> /home/travis/build/apache/flink/flink-table/flink-table-planner-blink/target
> && /usr/lib/jvm/java-8-openjdk-amd64/jre/bin/java -Xms256m -Xmx2048m
> -Dmvn.forkNumber=1 -XX:+UseG1GC -jar
> /home/travis/build/apache/flink/flink-table/flink-table-planner-blink/target/surefire/surefirebooter714252487017838305.jar
>
> /home/travis/build/apache/flink/flink-table/flink-table-planner-blink/target/surefire
> 2020-03-17T09-34-41_826-jvmRun1 surefire4625103637332937565tmp
> surefire_43192129054983363633tmp
> 09:55:07.703 [ERROR] Error occurred in starting fork, check output in log
> 09:55:07.703 [ERROR] Process Exit Code: 137
> 09:55:07.703 [ERROR] Crashed tests:
> 09:55:07.703 [ERROR] org.apache.flink.table.api.TableEnvironmentITCase
> 09:55:07.703 [ERROR]
> org.apache.maven.surefire.booter.SurefireBooterForkException:
> ExecutionException The forked VM terminated without properly saying goodbye.
> VM crash or System.exit called?
> 09:55:07.703 [ERROR] Command was /bin/sh -c cd
> /home/travis/build/apache/flink/flink-table/flink-table-planner-blink/target
> && /usr/lib/jvm/java-8-openjdk-amd64/jre/bin/java -Xms256m -Xmx2048m
> -Dmvn.forkNumber=1 -XX:+UseG1GC -jar
> /home/travis/build/apache/flink/flink-table/flink-table-planner-blink/target/surefire/surefirebooter714252487017838305.jar
>
> /home/travis/build/apache/flink/flink-table/flink-table-planner-blink/target/surefire
> 2020-03-17T09-34-41_826-jvmRun1 surefire4625103637332937565tmp
> surefire_43192129054983363633tmp
> 09:55:07.703 [ERROR] Error occurred in starting fork, check output in log
> 09:55:07.703 [ERROR] Process Exit Code: 137
> 09:55:07.703 [ERROR] Crashed tests:
> 09:55:07.703 [ERROR] org.apache.flink.table.api.TableEnvironmentITCase
> 09:55:07.703 [ERROR] at
> org.apache.maven.plugin.surefire.booterclient.ForkStarter.awaitResultsDone(ForkStarter.java:510)
> 09:55:07.704 [ERROR] at
> org.apache.maven.plugin.surefire.booterclient.ForkStarter.runSuitesForkOnceMultiple(ForkStarter.java:382)
> 09:55:07.704 [ERROR] at
> org.apache.maven.plugin.surefire.booterclient.ForkStarter.run(ForkStarter.java:297)
> 09:55:07.704 [ERROR] at
> org.apache.maven.plugin.surefire.booterclient.ForkStarter.run(ForkStarter.java:246)
> 09:55:07.704 [ERROR] at
> org.apache.maven.plugin.surefire.AbstractSurefireMojo.executeProvider(AbstractSurefireMojo.java:1183)
> 09:55:07.704 [ERROR] at
> org.apache.maven.plugin.surefire.AbstractSurefireMojo.executeAfterPreconditionsChecked(AbstractSurefireMojo.java:1011)
> 09:55:07.704 [ERROR] at
> org.apache.maven.plugin.surefire.AbstractSurefireMojo.execute(AbstractSurefireMojo.java:857)
> 09:55:07.704 [ERROR] at
> org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:132)
> 09:55:07.704 [ERROR] at
> org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:208)
> 09:55:07.704 [ERROR] at
> org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
> 09:55:07.704 [ERROR] at
> org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
> 09:55:07.704 [ERROR] at
> org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:116)
> 09:55:07.704 [ERROR] at
> org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:80)
> 09:55:07.704 [ERROR] at
> org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:51)
> 09:55:07.704 [ERROR] at
> org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:120)
> 09:55:07.704 [ERROR] at
> org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:355)
> 09:55:07.704 [ERROR] at
> org.apache.maven.DefaultMaven.execute(DefaultMaven.java:155)
> 09:55:07.704 [ERROR] at
> org.apache.maven.cli.MavenCli.execute(MavenCli.java:584)
> 09:55:07.704 [ERROR] at
> org.apache.maven.cli.MavenCli.doMain(MavenCli.java:216)
> 09:55:07.704 [ERROR] at org.apache.maven.cli.MavenCli.main(MavenCli.java:160)
> 09:55:07.704 [ERROR] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native
> Method)
> 09:55:07.704 [ERROR] at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 09:55:07.704 [ERROR] at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 09:55:07.704 [ERROR] at java.lang.reflect.Method.invoke(Method.java:498)
> 09:55:07.704 [ERROR] at
> org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:289)
> 09:55:07.704 [ERROR] at
> org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:229)
> 09:55:07.704 [ERROR] at
> org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:415)
> 09:55:07.704 [ERROR] at
> org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:356)
> 09:55:07.704 [ERROR] Caused by:
> org.apache.maven.surefire.booter.SurefireBooterForkException: The forked VM
> terminated without properly saying goodbye. VM crash or System.exit called?
> 09:55:07.704 [ERROR] Command was /bin/sh -c cd
> /home/travis/build/apache/flink/flink-table/flink-table-planner-blink/target
> && /usr/lib/jvm/java-8-openjdk-amd64/jre/bin/java -Xms256m -Xmx2048m
> -Dmvn.forkNumber=1 -XX:+UseG1GC -jar
> /home/travis/build/apache/flink/flink-table/flink-table-planner-blink/target/surefire/surefirebooter714252487017838305.jar
>
> /home/travis/build/apache/flink/flink-table/flink-table-planner-blink/target/surefire
> 2020-03-17T09-34-41_826-jvmRun1 surefire4625103637332937565tmp
> surefire_43192129054983363633tmp
> 09:55:07.704 [ERROR] Error occurred in starting fork, check output in log
> 09:55:07.704 [ERROR] Process Exit Code: 137
> 09:55:07.704 [ERROR] Crashed tests:
> 09:55:07.704 [ERROR] org.apache.flink.table.api.TableEnvironmentITCase
> 09:55:07.704 [ERROR] at
> org.apache.maven.plugin.surefire.booterclient.ForkStarter.fork(ForkStarter.java:669)
> 09:55:07.704 [ERROR] at
> org.apache.maven.plugin.surefire.booterclient.ForkStarter.access$600(ForkStarter.java:115)
> 09:55:07.704 [ERROR] at
> org.apache.maven.plugin.surefire.booterclient.ForkStarter$1.call(ForkStarter.java:371)
> 09:55:07.704 [ERROR] at
> org.apache.maven.plugin.surefire.booterclient.ForkStarter$1.call(ForkStarter.java:347)
> 09:55:07.704 [ERROR] at
> java.util.concurrent.FutureTask.run(FutureTask.java:266)
> 09:55:07.704 [ERROR] at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> 09:55:07.704 [ERROR] at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> 09:55:07.704 [ERROR] at java.lang.Thread.run(Thread.java:748)
> 09:55:07.704 [ERROR] -> [Help 1]
> 09:55:07.704 [ERROR]
> 09:55:07.704 [ERROR] To see the full stack trace of the errors, re-run Maven
> with the -e switch.
> 09:55:07.704 [ERROR] Re-run Maven using the -X switch to enable full debug
> logging.
> 09:55:07.704 [ERROR]
> 09:55:07.704 [ERROR] For more information about the errors and possible
> solutions, please read the following articles:
> 09:55:07.704 [ERROR] [Help 1]
> http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException
> 09:55:07.704 [ERROR]
> 09:55:07.704 [ERROR] After correcting the problems, you can resume the build
> with the command
> 09:55:07.704 [ERROR] mvn <goals> -rf :flink-table-planner-blink_2.11
> {code}
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