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Posted to dev@twill.apache.org by "Terence Yim (JIRA)" <ji...@apache.org> on 2014/10/24 20:06:36 UTC
[jira] [Updated] (TWILL-105) Race condition causing deadlock in
ZKDecoratorService
[ https://issues.apache.org/jira/browse/TWILL-105?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Terence Yim updated TWILL-105:
------------------------------
Fix Version/s: 0.4.0-incubating
> Race condition causing deadlock in ZKDecoratorService
> -----------------------------------------------------
>
> Key: TWILL-105
> URL: https://issues.apache.org/jira/browse/TWILL-105
> Project: Apache Twill
> Issue Type: Bug
> Components: core
> Affects Versions: 0.3.0-incubating, 0.4.0-incubating
> Reporter: Terence Yim
> Assignee: Terence Yim
> Priority: Blocker
> Fix For: 0.4.0-incubating
>
>
> In the ZKDecoratorService there are race condition that when starting/stopping the service. Here is the deadlock detected when starting service. Similar one was observed during stopping.
> Found one Java-level deadlock:
> =============================
> " STARTING":
> waiting for ownable synchronizer 7dc0b0070, (a java.util.concurrent.locks.ReentrantLock$NonfairSync),
> which is held by "main"
> "main":
> waiting to lock monitor 7fb91a80e718 (object 7dc0b0198, a java.util.concurrent.ConcurrentLinkedQueue),
> which is held by " STARTING"
> Java stack information for the threads listed above:
> ===================================================
> " STARTING":
> at sun.misc.Unsafe.park(Native Method)
> - parking to wait for <7dc0b0070> (a java.util.concurrent.locks.ReentrantLock$NonfairSync)
> at java.util.concurrent.locks.LockSupport.park(LockSupport.java:156)
> at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:811)
> at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireQueued(AbstractQueuedSynchronizer.java:842)
> at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquire(AbstractQueuedSynchronizer.java:1178)
> at java.util.concurrent.locks.ReentrantLock$NonfairSync.lock(ReentrantLock.java:186)
> at java.util.concurrent.locks.ReentrantLock.lock(ReentrantLock.java:262)
> at com.google.common.util.concurrent.AbstractService.notifyStarted(AbstractService.java:235)
> at org.apache.twill.internal.ZKServiceDecorator.access$2400(ZKServiceDecorator.java:69)
> at org.apache.twill.internal.ZKServiceDecorator$DecoratedServiceListener.running(ZKServiceDecorator.java:408)
> at com.google.common.util.concurrent.AbstractService$3$1.run(AbstractService.java:397)
> at com.google.common.util.concurrent.MoreExecutors$SameThreadExecutorService.execute(MoreExecutors.java:262)
> at com.google.common.util.concurrent.AbstractService$ListenerExecutorPair.execute(AbstractService.java:470)
> at com.google.common.util.concurrent.AbstractService$3.run(AbstractService.java:395)
> at com.google.common.util.concurrent.AbstractService.executeListeners(AbstractService.java:369)
> - locked <7dc0b0198> (a java.util.concurrent.ConcurrentLinkedQueue)
> at com.google.common.util.concurrent.AbstractService.notifyStarted(AbstractService.java:255)
> at com.google.common.util.concurrent.AbstractIdleService$1$1.run(AbstractIdleService.java:44)
> at java.lang.Thread.run(Thread.java:695)
> "main":
> at com.google.common.util.concurrent.AbstractService.executeListeners(AbstractService.java:368)
> - waiting to lock <7dc0b0198> (a java.util.concurrent.ConcurrentLinkedQueue)
> at com.google.common.util.concurrent.AbstractService.start(AbstractService.java:176)
> at com.google.common.util.concurrent.AbstractIdleService.start(AbstractIdleService.java:102)
> at org.apache.twill.internal.ZKServiceDecorator$1$1.run(ZKServiceDecorator.java:133)
> at com.google.common.util.concurrent.MoreExecutors$SameThreadExecutorService.execute(MoreExecutors.java:262)
> at com.google.common.util.concurrent.ExecutionList$RunnableExecutorPair.execute(ExecutionList.java:149)
> at com.google.common.util.concurrent.ExecutionList.add(ExecutionList.java:105)
> at com.google.common.util.concurrent.AbstractFuture.addListener(AbstractFuture.java:160)
> at org.apache.twill.internal.ZKServiceDecorator$1.onSuccess(ZKServiceDecorator.java:126)
> at org.apache.twill.internal.ZKServiceDecorator$1.onSuccess(ZKServiceDecorator.java:114)
> at com.google.common.util.concurrent.Futures$6.run(Futures.java:799)
> at com.google.common.util.concurrent.MoreExecutors$SameThreadExecutorService.execute(MoreExecutors.java:262)
> at org.apache.twill.internal.zookeeper.SettableOperationFuture$1.run(SettableOperationFuture.java:56)
> at com.google.common.util.concurrent.MoreExecutors$SameThreadExecutorService.execute(MoreExecutors.java:262)
> at com.google.common.util.concurrent.ExecutionList$RunnableExecutorPair.execute(ExecutionList.java:149)
> at com.google.common.util.concurrent.ExecutionList.add(ExecutionList.java:105)
> at com.google.common.util.concurrent.AbstractFuture.addListener(AbstractFuture.java:160)
> at org.apache.twill.internal.zookeeper.SettableOperationFuture.addListener(SettableOperationFuture.java:53)
> at com.google.common.util.concurrent.Futures.addCallback(Futures.java:809)
> at com.google.common.util.concurrent.Futures.addCallback(Futures.java:749)
> at org.apache.twill.internal.ZKServiceDecorator.doStart(ZKServiceDecorator.java:114)
> at com.google.common.util.concurrent.AbstractService.start(AbstractService.java:170)
> at org.apache.twill.internal.state.ZKServiceDecoratorTest.testStateTransition(ZKServiceDecoratorTest.java:96)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
> at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
> at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
> at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
> at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271)
> at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70)
> at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)
> at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)
> at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)
> at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)
> at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)
> at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)
> at org.junit.runners.ParentRunner.run(ParentRunner.java:309)
> at org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:264)
> at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:153)
> at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:124)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at org.apache.maven.surefire.util.ReflectionUtils.invokeMethodWithArray2(ReflectionUtils.java:208)
> at org.apache.maven.surefire.booter.ProviderFactory$ProviderProxy.invoke(ProviderFactory.java:159)
> at org.apache.maven.surefire.booter.ProviderFactory.invokeProvider(ProviderFactory.java:87)
> at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:153)
> at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:95)
> Found 1 deadlock.
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