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From "Kristian Waagan (JIRA)" <j...@apache.org>
Subject [jira] Created: (DERBY-4947) Missing/broken synchronization in BasicDependencyManager.getDependents()
Date Sun, 19 Dec 2010 18:28:01 GMT
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:
            Reporter: Kristian Waagan
            Assignee: Kristian Waagan

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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