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Date: Wed, 25 May 2011 21:41:47 +0000 (UTC)
From: "Kristian Waagan (JIRA)" <jira@apache.org>
To: derby-dev@db.apache.org
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Subject: [jira] [Closed] (DERBY-4947) Missing/broken synchronization in
 BasicDependencyManager.getDependents()
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     [ https://issues.apache.org/jira/browse/DERBY-4947?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Kristian Waagan closed DERBY-4947.
----------------------------------


Closing issue.

> Missing/broken synchronization in BasicDependencyManager.getDependents()
> ------------------------------------------------------------------------
>
>                 Key: DERBY-4947
>                 URL: https://issues.apache.org/jira/browse/DERBY-4947
>             Project: Derby
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 10.8.1.2
>            Reporter: Kristian Waagan
>            Assignee: Kristian Waagan
>             Fix For: 10.8.1.2
>
>         Attachments: derby-4947-1a-sync_fix.diff
>
>
> The method getDependents(Provider) in BasicDependencyManager isn't using proper synchronization in cases where a list has to be compiled by combining in-memory and on-disk dependencies. Returning a reference to the list obtained from the shared map is also a bug.
> The test lang.XplainStatisticsTest.testSimpleQueryMultiWithInvalidation failed due to this issue (see [1]).
> [1] http://dbtg.foundry.sun.com/derby/test/Daily/jvm1.5/testing/testlog/lin/1050670-suitesAll_diff.txt

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