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https://issues.apache.org/jira/browse/TEZ-4134?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17056055#comment-17056055
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Jonathan Turner Eagles commented on TEZ-4134:
---------------------------------------------
https://issues.apache.org/jira/browse/SUREFIRE-1675 is the jira that added this
feature
> Upgrade maven surefire plugin to 3.0.0-M4
> -----------------------------------------
>
> Key: TEZ-4134
> URL: https://issues.apache.org/jira/browse/TEZ-4134
> Project: Apache Tez
> Issue Type: Improvement
> Reporter: Jonathan Turner Eagles
> Assignee: Jonathan Turner Eagles
> Priority: Major
> Attachments: TEZ-4134.001.patch
>
>
> When a test hangs and is killed by the maven surefire plugin, it tries to
> capture information about the process to aid in debugging one of those being
> the dump file.
> 2020-03-09T02-27-30_920-jvmRun1.dump
> {noformat:title=maven-surefire-plugin:3.0.0-M1}
> # Created at 2020-03-09T03:05:40.609
> Killing self fork JVM. Received SHUTDOWN command from Maven shutdown hook.
> {noformat}
> With 3.0.0-M4 it also captures the stack trace as part of the dump file.
> {noformat:title=maven-surefire-plugin:3.0.0-M4}
> # Created at 2020-03-09T15:18:40.510
> Killing self fork JVM. Received SHUTDOWN command from Maven shutdown hook.
> Thread dump before killing the process (45086@hostname):
> "Netty IPC Socket Reader #1 for port 59611"
> java.lang.Thread.State: RUNNABLE
> at
> org.apache.hadoop.ipc.shaded.io.netty.channel.kqueue.Native.keventWait(Native
> Method)
> at
> org.apache.hadoop.ipc.shaded.io.netty.channel.kqueue.Native.keventWait(Native.java:94)
> at
> org.apache.hadoop.ipc.shaded.io.netty.channel.kqueue.KQueueEventLoop.kqueueWait(KQueueEventLoop.java:147)
> at
> org.apache.hadoop.ipc.shaded.io.netty.channel.kqueue.KQueueEventLoop.kqueueWait(KQueueEventLoop.java:139)
> at
> org.apache.hadoop.ipc.shaded.io.netty.channel.kqueue.KQueueEventLoop.run(KQueueEventLoop.java:208)
> at
> org.apache.hadoop.ipc.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:905)
> at java.lang.Thread.run(Thread.java:748)
> at
> org.apache.hadoop.ipc.NettyServer$NettyThreadFactory$1.run(NettyServer.java:659)
> "Netty IPC Socket Reader #4 for port 59597"
> java.lang.Thread.State: RUNNABLE
> at
> org.apache.hadoop.ipc.shaded.io.netty.channel.kqueue.Native.keventWait(Native
> Method)
> at
> org.apache.hadoop.ipc.shaded.io.netty.channel.kqueue.Native.keventWait(Native.java:94)
> at
> org.apache.hadoop.ipc.shaded.io.netty.channel.kqueue.KQueueEventLoop.kqueueWait(KQueueEventLoop.java:147)
> at
> org.apache.hadoop.ipc.shaded.io.netty.channel.kqueue.KQueueEventLoop.kqueueWait(KQueueEventLoop.java:139)
> at
> org.apache.hadoop.ipc.shaded.io.netty.channel.kqueue.KQueueEventLoop.run(KQueueEventLoop.java:208)
> at
> org.apache.hadoop.ipc.shaded.io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:905)
> at java.lang.Thread.run(Thread.java:748)
> at
> org.apache.hadoop.ipc.NettyServer$NettyThreadFactory$1.run(NettyServer.java:659)
> "DeletionService #0"
> java.lang.Thread.State: WAITING
> at sun.misc.Unsafe.park(Native Method)
> at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
> at
> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
> at
> java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1081)
> at
> java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
> at
> java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> at java.lang.Thread.run(Thread.java:748)
> ...
> ...
> ...
> {noformat}
> Upgrading to a later version will improve debugging hung tests in Tez
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