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From "Knut Anders Hatlen (JIRA)" <j...@apache.org>
Subject [jira] Commented: (DERBY-4323) test failure in lang.ErrorMessageTest with IBM iseries IBM 1.5
Date Mon, 17 Aug 2009 09:46:14 GMT

    [ https://issues.apache.org/jira/browse/DERBY-4323?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12744009#action_12744009
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Knut Anders Hatlen commented on DERBY-4323:
-------------------------------------------

The log shows that a timeout exception was thrown instead of a deadlock exception. The lock
table does however show that there is a deadlock, so either the deadlock detection algorithm
must have failed to detect it, or the deadlock didn't happen until after the deadlock detection
algorithm had completed. My guess is on the latter. If it happens again, we could try to increase
the deadlock timeout in the test (currently two seconds) to give it more time to get into
the expected state before deadlock detection is performed.

> test failure in lang.ErrorMessageTest with IBM iseries IBM 1.5
> --------------------------------------------------------------
>
>                 Key: DERBY-4323
>                 URL: https://issues.apache.org/jira/browse/DERBY-4323
>             Project: Derby
>          Issue Type: Bug
>    Affects Versions: 10.5.2.0
>         Environment: IBM iseries, OS: AS/400; OS version: V5R4M0, IBM 1.5 (1.5.0_13-b05)
>            Reporter: Myrna van Lunteren
>            Priority: Minor
>         Attachments: error-stacktrace.out, ErrorMessageTest_derby.log
>
>
> There was this error during the 10.5.2.0 test run - when the ErrorMessageTest was run
by itself later there was no problem, and neither did this show up during the ibm 1.6 run:
> 1) testDeadlockTimeout(org.apache.derbyTesting.functionTests.tests.lang.ErrorMessageTest)junit.framework.ComparisonFailure:
Not a deadlock expected:<...001> but was:<...XL2>

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