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From "Knut Anders Hatlen (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DERBY-6354) DatabaseMetaDataTest.testGetColumnsReadOnly fails with NPE when releasing page
Date Wed, 11 Dec 2013 16:17:07 GMT

    [ https://issues.apache.org/jira/browse/DERBY-6354?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13845504#comment-13845504
] 

Knut Anders Hatlen commented on DERBY-6354:
-------------------------------------------

I don't understand how this happened either. But since the test case just before it failed,
with something that smells like a JVM bug, I think I would assume for now that it is a follow-on
problem caused by the page cache being in some inconsistent state.

> DatabaseMetaDataTest.testGetColumnsReadOnly fails with NPE when releasing page
> ------------------------------------------------------------------------------
>
>                 Key: DERBY-6354
>                 URL: https://issues.apache.org/jira/browse/DERBY-6354
>             Project: Derby
>          Issue Type: Bug
>          Components: Store
>    Affects Versions: 10.11.0.0
>            Reporter: Knut Anders Hatlen
>         Attachments: derby-6343-diag.diff, fail-solaris.zip, fail-windows.zip
>
>
> Seen twice in the nightly testing lately:
> http://download.java.net/javadesktop/derby/request_5581975/javadb-task-3729984.html
> http://download.java.net/javadesktop/derby/request_5581997/javadb-task-3730576.html
> Both failures happened with JDK 8-ea-b107 (Windows and Solaris).



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