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https://issues.apache.org/jira/browse/DERBY-3823?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13124579#comment-13124579
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Mamta A. Satoor commented on DERBY-3823:
----------------------------------------
I applied Dag's changes to trunk and saw the behavior from my test program, ie
embedded gave an error for metadata change while the resultset is still open
but network server allowed the metadata change but didn't reflect those changes
in resultset's metadada descriptor.
> NullPointerException in stress.multi test
> -----------------------------------------
>
> Key: DERBY-3823
> URL: https://issues.apache.org/jira/browse/DERBY-3823
> Project: Derby
> Issue Type: Bug
> Components: Network Server
> Affects Versions: 10.3.3.1, 10.7.1.1, 10.8.1.2
> Reporter: Kathey Marsden
> Labels: derby_triage10_5_2
> Attachments: d3823-1.diff, derby.log
>
>
> I saw the following NPE in stress.multi running on 10.3 with derbyclient.
> java.lang.NullPointerException
> at
> org.apache.derby.impl.jdbc.EmbedPreparedStatement.getMetaData(Unknown
> Source)
> at org.apache.derby.impl.drda.DRDAConnThread.writeSQLDARD(Unknown
> Source
> )
> at org.apache.derby.impl.drda.DRDAConnThread.processCommands(Unknown
> Sou
> rce)
> at org.apache.derby.impl.drda.DRDAConnThread.run(Unknown Source)
> Cleanup action completed
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