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Posted to dev@qpid.apache.org by "Philip Harvey (JIRA)" <ji...@apache.org> on 2013/06/27 14:56:20 UTC
[jira] [Assigned] (QPID-4958) Java Performance Tests - race
condition client registration detection causes tests to hang
[ https://issues.apache.org/jira/browse/QPID-4958?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Philip Harvey reassigned QPID-4958:
-----------------------------------
Assignee: Robbie Gemmell (was: Philip Harvey)
Would you mind reviewing the attached patch please Robbie?
> Java Performance Tests - race condition client registration detection causes tests to hang
> ------------------------------------------------------------------------------------------
>
> Key: QPID-4958
> URL: https://issues.apache.org/jira/browse/QPID-4958
> Project: Qpid
> Issue Type: Bug
> Components: Java Performance Tests
> Affects Versions: 0.22
> Reporter: Philip Harvey
> Assignee: Robbie Gemmell
> Attachments: 0001-QPID-4958-fixed-race-condition-in-ClientRegistry-tha.patch
>
>
> Occasionally various tests in ControllerAndClientTest fail with errors such as:
> {noformat}
> main 2013-06-25 14:39:25,539 ERROR [qpid.disttest.controller.TestRunner] Couldn't run test
> org.apache.qpid.disttest.DistributedTestException: After 30000ms ... Timed out waiting for command responses ... Expecting 10 more responses.
> at org.apache.qpid.disttest.controller.TestRunner.awaitLatch(TestRunner.java:293)
> at org.apache.qpid.disttest.controller.TestRunner.awaitCommandResponses(TestRunner.java:183)
> at org.apache.qpid.disttest.controller.TestRunner.runParts(TestRunner.java:130)
> at org.apache.qpid.disttest.controller.TestRunner.run(TestRunner.java:103)
> at org.apache.qpid.disttest.controller.Controller.runAllTests(Controller.java:171)
> at org.apache.qpid.systest.disttest.controllerandclient.ControllerAndClientTest.runTestsForTwoClients(ControllerAndClientTest.java:195)
> at org.apache.qpid.systest.disttest.controllerandclient.ControllerAndClientTest.testProducerAndThreeConsumersInSeparateClients(ControllerAndClientTest.java:136)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> {noformat}
> The relevant test log excerpts are shown below.
> {noformat}
> main 2013-06-25 14:38:35,357 INFO [qpid.disttest.controller.Controller] Awaiting client registrations
> ...
> 908 Dispatcher-1-Conn-2 2013-06-25 14:38:35,448 INFO [qpid.disttest.controller.ClientRegistry] Client registered: 63a95928-7d12-48ad-9326-133da9a0ddb6
> ...
> 920 Dispatcher-1-Conn-2 2013-06-25 14:38:35,450 INFO [qpid.disttest.controller.ClientRegistry] Client registered: 2510ce56-20d4-43a2-84db-193a87b1cfec
> ...
> {noformat}
> Client thread timing out after the 5 seconds set by the JUnit test:
> {noformat}
> 997 2510ce56-20d4-43a2-84db-193a87b1cfec-thread 2013-06-25 14:38:40,423 DEBUG [apache.qpid.client.AMQSession] Closing session: org.apache.qpid.client.AMQSes sion_0_8@5e111b5c
> {noformat}
> Controller sends test set-up commands, 20 seconds after "Awaiting client registrations". This happens to be the length of the client registration time-out, suggesting that the "await client registrations" code didn't notice that client registrations.
> {noformat}
> 1080 main 2013-06-25 14:38:55,476 DEBUG [qpid.disttest.controller.TestRunner] About to send 10 command(s)
> {noformat}
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