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From "Dag H. Wanvik (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (DERBY-5333) Intermittent assert failure in testInterruptShutdown: thread's interrupted flag lost after shutdown
Date Wed, 20 Jul 2011 01:22:57 GMT

     [ https://issues.apache.org/jira/browse/DERBY-5333?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Dag H. Wanvik updated DERBY-5333:
---------------------------------

    Attachment: derby-5333a.diff

Uploading a patch which fixes this issue. There was a remaining case of wait() being called
by the session thread in the BasicDaemon code which led to the interrupt flag being lost.
This would only happen if the checkpoint was still active when the session thread tried to
stop the daemon, hence the sleep in the repro pushed it out in time to make it more likely.

> Intermittent assert failure in testInterruptShutdown: thread's interrupted flag lost
after shutdown
> ---------------------------------------------------------------------------------------------------
>
>                 Key: DERBY-5333
>                 URL: https://issues.apache.org/jira/browse/DERBY-5333
>             Project: Derby
>          Issue Type: Bug
>          Components: JDBC
>            Reporter: Dag H. Wanvik
>            Assignee: Dag H. Wanvik
>            Priority: Minor
>         Attachments: derby-5333-repro.diff, derby-5333a.diff
>
>
> Saw this while running trunk's InterruptResilienceTest 800 times back-to-back with JDK1.7
b147 looking for DERBY-5312. It is independent of that issue, though: I saw it with both proposed
patches for that issue also.
> 1) testInterruptShutdown(org.apache.derbyTesting.functionTests.tests.store.InterruptResilienceTest)junit.f\
> ramework.AssertionFailedError
>         at org.apache.derbyTesting.functionTests.tests.store.InterruptResilienceTest.testInterruptShutdown\
> (InterruptResilienceTest.java:667)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>         at org.apache.derbyTesting.junit.BaseTestCase.runBare(BaseTestCase.java:112)
>         at junit.extensions.TestDecorator.basicRun(TestDecorator.java:24)
>         at junit.extensions.TestSetup$1.protect(TestSetup.java:21)
>         at junit.extensions.TestSetup.run(TestSetup.java:25)
>         at org.apache.derbyTesting.junit.BaseTestSetup.run(BaseTestSetup.java:57)
>         at junit.extensions.TestDecorator.basicRun(TestDecorator.java:24)
>         at junit.extensions.TestSetup$1.protect(TestSetup.java:21)
>         at junit.extensions.TestSetup.run(TestSetup.java:25)
>         at junit.extensions.TestDecorator.basicRun(TestDecorator.java:24)
>         at junit.extensions.TestSetup$1.protect(TestSetup.java:21)
>         at junit.extensions.TestSetup.run(TestSetup.java:25)

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