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Posted to dev@qpid.apache.org by "Alex Rudyy (JIRA)" <ji...@apache.org> on 2016/02/04 16:15:39 UTC
[jira] [Updated] (QPID-7050) [Java Broker] State change executor
shutdown might delay closing of virtual host node when state change
functionality is performed in parallel with replication environment facade
close
[ https://issues.apache.org/jira/browse/QPID-7050?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Alex Rudyy updated QPID-7050:
-----------------------------
Attachment: TEST-org.apache.qpid.server.store.berkeleydb.replication.BDBHAVirtualHostNodeRestTest.testIntruderProtection.txt
Attached failing test log file:
{noformat}
Attribute state did not reach expected value within permitted timeout 5000ms. expected:<ERRORED> but was:<ACTIVE>
Stacktrace
junit.framework.AssertionFailedError: Attribute state did not reach expected value within permitted timeout 5000ms. expected:<ERRORED> but was:<ACTIVE>
at junit.framework.Assert.fail(Assert.java:57)
at junit.framework.Assert.failNotEquals(Assert.java:329)
at junit.framework.Assert.assertEquals(Assert.java:78)
at junit.framework.TestCase.assertEquals(TestCase.java:244)
at org.apache.qpid.systest.rest.QpidRestTestCase.waitForAttributeChanged(QpidRestTestCase.java:103)
at org.apache.qpid.server.store.berkeleydb.replication.BDBHAVirtualHostNodeRestTest.testIntruderProtection(BDBHAVirtualHostNodeRestTest.java:319)
{noformat}
> [Java Broker] State change executor shutdown might delay closing of virtual host node when state change functionality is performed in parallel with replication environment facade close
> ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: QPID-7050
> URL: https://issues.apache.org/jira/browse/QPID-7050
> Project: Qpid
> Issue Type: Bug
> Components: Java Broker
> Affects Versions: 0.32, qpid-java-6.0, qpid-java-6.1
> Reporter: Alex Rudyy
> Attachments: TEST-org.apache.qpid.server.store.berkeleydb.replication.BDBHAVirtualHostNodeRestTest.testIntruderProtection.txt
>
>
> The failure of test BDBHAVirtualHostNodeRestTest.testIntruderProtection reviled that BDB HA VHN close could be delayed by REF close waiting for state change executor shutdown when change executor shutdown is performing task for state change event.
> On state change state change executor invokes BDBHAVirtualHostNodeImpl.EnvironmentStateChangeListener#stateChange and waits for operation to finish. If operation invokes configuration thread to do the work and waits for its finish and, at the same time when, REF#close is performed in config-thread, for example, because of intruder protection, the two threads block each other.
> Config thread performing in REF#close() is waiting for state change thread to finish and state change thread is waiting for config thread to finish submitted state change task.
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