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https://issues.apache.org/jira/browse/DERBY-6396?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13812727#comment-13812727
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ASF subversion and git services commented on DERBY-6396:
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Commit 1538541 from [~knutanders] in branch 'code/branches/10.10'
[ https://svn.apache.org/r1538541 ]
DERBY-6396: NullPointerException in DirFile
Merged fix from trunk (revision 1537394).
> NullPointerException in DirFile
> -------------------------------
>
> Key: DERBY-6396
> URL: https://issues.apache.org/jira/browse/DERBY-6396
> Project: Derby
> Issue Type: Bug
> Components: Miscellaneous
> Affects Versions: 10.10.1.1
> Environment: Windows 7
> Reporter: Fabian Depry
> Assignee: Knut Anders Hatlen
> Fix For: 10.11.0.0
>
> Attachments: check-null-with-test.diff, check-null.diff
>
>
> We got a NullPointerException trying to start a Derby database in embedded
> mode; the stacktrace indicated it happened in
> org.apache.derby.impl.io.DirFile.deleteAll(); that method got called from
> org.apache.derby.impl.io.BaseStorageFactory.createTempDir().
> After investigating, it appears that the deleteAll() method calls
> "super.list()", which according to the java.io.File specifications, can
> return null. But the deleteAll() method doesn't handle that case gracefully.
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