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From "Steve Loughran (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CURATOR-117) TestingServer to detect failures of
Date Tue, 08 Jul 2014 15:07:05 GMT

    [ https://issues.apache.org/jira/browse/CURATOR-117?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14055024#comment-14055024
] 

Steve Loughran commented on CURATOR-117:
----------------------------------------

Stack
{code}
"main" prio=5 tid=0x00007fcd5b017800 nid=0x1903 waiting on condition [0x000000010c8ff000]
   java.lang.Thread.State: WAITING (parking)
	at sun.misc.Unsafe.park(Native Method)
	- parking to wait for  <0x00000007ec01ab90> (a java.util.concurrent.CountDownLatch$Sync)
	at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
	at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:834)
	at java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedInterruptibly(AbstractQueuedSynchronizer.java:994)
	at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireSharedInterruptibly(AbstractQueuedSynchronizer.java:1303)
	at java.util.concurrent.CountDownLatch.await(CountDownLatch.java:236)
	at org.apache.curator.test.TestingZooKeeperMain.blockUntilStarted(TestingZooKeeperMain.java:81)
	at org.apache.curator.test.TestingZooKeeperServer.start(TestingZooKeeperServer.java:144)
	at org.apache.curator.test.TestingServer.<init>(TestingServer.java:75)
	at org.apache.curator.test.TestingServer.<init>(TestingServer.java:68)
	at org.apache.hadoop.yarn.registry.AbstractZKRegistryTest.createZKServer(AbstractZKRegistryTest.java:51)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	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.RunBefores.evaluate(RunBefores.java:24)
	at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.jav
{code}



> TestingServer to detect failures of 
> ------------------------------------
>
>                 Key: CURATOR-117
>                 URL: https://issues.apache.org/jira/browse/CURATOR-117
>             Project: Apache Curator
>          Issue Type: Improvement
>          Components: Tests
>    Affects Versions: 2.4.1
>            Reporter: Steve Loughran
>            Priority: Minor
>
> {{TestingServer}} blocks until the ZK server is started. But if it doesn't start for
some reason, the block lasts until the test run times out -which then fails the test with
little in terms of meaningful messages.



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