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https://issues.apache.org/jira/browse/FLUME-3117?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16392788#comment-16392788
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Hudson commented on FLUME-3117:
-------------------------------
SUCCESS: Integrated in Jenkins build Flume-trunk-hbase-1 #343 (See
[https://builds.apache.org/job/Flume-trunk-hbase-1/343/])
FLUME-2786 FLUME-3056 FLUME-3117 Application enters a deadlock when
(szaboferee:
[http://git-wip-us.apache.org/repos/asf/flume/repo?p=flume.git&a=commit&h=0d437810dc850192b48fa3b31608ffcd23b1f1e9])
* (edit)
flume-ng-node/src/main/java/org/apache/flume/node/PollingPropertiesFileConfigurationProvider.java
* (edit) flume-ng-node/src/main/java/org/apache/flume/node/Application.java
* (edit) flume-ng-node/src/test/java/org/apache/flume/node/TestApplication.java
* (add) flume-ng-node/src/test/resources/flume-conf.properties.2786
> Application can be dead loop when call System.exit() in methodconfigure
> --------------------------------------------------------------------------
>
> Key: FLUME-3117
> URL: https://issues.apache.org/jira/browse/FLUME-3117
> Project: Flume
> Issue Type: Bug
> Components: Sinks+Sources
> Affects Versions: 1.7.0
> Reporter: Eli
> Priority: Major
> Fix For: 1.8.1, 1.9.0
>
>
> When call System.exit(-1) in method configure of a source , application
> will run into dead loop and persistently print "Waiting for file watcher
> to terminate".
> {code:java}
> "agent-shutdown-hook" #11 prio=5 os_prio=0 tid=0x00007f1d68018800 nid=0x7f6f
> waiting on condition [0x00007f1d9b163000]
> java.lang.Thread.State: TIMED_WAITING (parking)
> at sun.misc.Unsafe.park(Native Method)
> - parking to wait for <0x00000000fb816f30> (a
> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
> at
> java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
> at
> java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)
> at
> java.util.concurrent.ThreadPoolExecutor.awaitTermination(ThreadPoolExecutor.java:1465)
> at
> java.util.concurrent.Executors$DelegatedExecutorService.awaitTermination(Executors.java:675)
> at
> org.apache.flume.node.PollingPropertiesFileConfigurationProvider.stop(PollingPropertiesFileConfigurationProvider.java:88)
> at
> org.apache.flume.lifecycle.LifecycleSupervisor.stop(LifecycleSupervisor.java:104)
> - locked <0x00000000fb5e1fa8> (a
> org.apache.flume.lifecycle.LifecycleSupervisor)
> at org.apache.flume.node.Application.stop(Application.java:92)
> - locked <0x00000000fb5d2418> (a org.apache.flume.node.Application)
> at org.apache.flume.node.Application$1.run(Application.java:343)
> Locked ownable synchronizers:
> - None
> "conf-file-poller-0" #13 prio=5 os_prio=0 tid=0x00007f1d64009800 nid=0x7f6d
> in Object.wait() [0x00007f1d9b364000]
> java.lang.Thread.State: WAITING (on object monitor)
> at java.lang.Object.wait(Native Method)
> - waiting on <0x00000000fb6f9230> (a
> org.apache.flume.node.Application$1)
> at java.lang.Thread.join(Thread.java:1249)
> - locked <0x00000000fb6f9230> (a org.apache.flume.node.Application$1)
> at java.lang.Thread.join(Thread.java:1323)
> at
> java.lang.ApplicationShutdownHooks.runHooks(ApplicationShutdownHooks.java:106)
> at
> java.lang.ApplicationShutdownHooks$1.run(ApplicationShutdownHooks.java:46)
> at java.lang.Shutdown.runHooks(Shutdown.java:123)
> at java.lang.Shutdown.sequence(Shutdown.java:167)
> at java.lang.Shutdown.exit(Shutdown.java:212)
> - locked <0x00000000fb3b86a8> (a java.lang.Class for java.lang.Shutdown)
> at java.lang.Runtime.exit(Runtime.java:109)
> at java.lang.System.exit(System.java:971)
> at study.flume_exit.ExitSource.configure(ExitSource.java:28)
> at org.apache.flume.conf.Configurables.configure(Configurables.java:41)
> at
> org.apache.flume.node.AbstractConfigurationProvider.loadSources(AbstractConfigurationProvider.java:326)
> at
> org.apache.flume.node.AbstractConfigurationProvider.getConfiguration(AbstractConfigurationProvider.java:101)
> at
> org.apache.flume.node.PollingPropertiesFileConfigurationProvider$FileWatcherRunnable.run(PollingPropertiesFileConfigurationProvider.java:141)
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
> at
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
> at
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> at java.lang.Thread.run(Thread.java:745)
> Locked ownable synchronizers:
> - <0x00000000fb829588> (a
> java.util.concurrent.ThreadPoolExecutor$Worker)
> {code}
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