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From "Bryan Pendleton (JIRA)" <derby-...@db.apache.org>
Subject [jira] Updated: (DERBY-614) Execution failed because of a Distributed Protocol Error
Date Fri, 17 Feb 2006 05:28:26 GMT
     [ http://issues.apache.org/jira/browse/DERBY-614?page=all ]

Bryan Pendleton updated DERBY-614:
----------------------------------

    Attachment: d614_a_with_close_stmts.diff

Updated patch d614_a_with_close_stmts.diff addresses feedback from Dan and Deepa: the test
should close the statement objects at the end in order to avoid wasting client driver resources
and to match standard JDBC style. I re-ran the test after adding the close calls, both before
and after applying the patch to DRDAResultSet.java, and confirmed that the test still demonstrates
the bug by failing prior to the fix and succeeding afterwards. Please have another look.

> Execution failed because of a Distributed Protocol Error
> --------------------------------------------------------
>
>          Key: DERBY-614
>          URL: http://issues.apache.org/jira/browse/DERBY-614
>      Project: Derby
>         Type: Bug
>   Components: Network Server
>     Versions: 10.1.1.0
>  Environment: Linux 2.4, Sun JDK 1.4.2_07, full SYSINFO will be attached.
>     Reporter: Bryan Pendleton
>     Assignee: Bryan Pendleton
>      Fix For: 10.2.0.0
>  Attachments: clientSideTrace.txt, clientStack.txt, d614_a.diff, d614_a_with_close_stmts.diff,
derby-614.zip, derbynetclientmats_report.txt, query.txt, serverSideTrace.txt, spec.html, svn-diff-2005-12-04.txt,
svn-status-2005-12-04.txt, sysinfo.derby
>
> I am intermittently receiving Distributed Protocol Error exceptions in my client code.
Simultaneously,
> my derby.log is recording Distributed Protocol Error exceptions on the server side.
> I cannot reliably reproduce this problem. 
> However, the problem always occurs in the same section of my application, so I can at
least
> describe that section of my application. (I'll do so in an attachment).
> Here is the error I receive on the server side. Sometimes, the CODPNT is 2116 and the
> Error Code Value is 1d, rather than 2114 and e.
> 2005-10-05 02:10:23.663 GMT Thread[DRDAConnThread_2,5,main] (DATABASE = BuildFar
> m), (DRDAID = GA0A0026.P7E6-4182154075488704215{136532}), Execution failed becau
> se of a Distributed Protocol Error:  DRDA_Proto_SYNTAXRM; CODPNT arg  = 2114; Er
> ror Code Value = e
> Execution failed because of a Distributed Protocol Error:  DRDA_Proto_SYNTAXRM;
> CODPNT arg  = 2114; Error Code Value = e
> 2005-10-05 02:10:23.663 GMT Thread[DRDAConnThread_2,5,main] (DATABASE = BuildFar
> m), (DRDAID = GA0A0026.P7E6-4182154075488704215{136532}), null
> null
> org.apache.derby.impl.drda.DRDAProtocolException
>         at org.apache.derby.impl.drda.DRDAConnThread.throwSyntaxrm(Unknown Sourc
> e)
>         at org.apache.derby.impl.drda.DRDAConnThread.missingCodePoint(Unknown So
> urce)
>         at org.apache.derby.impl.drda.DRDAConnThread.parseCNTQRY(Unknown Source)
>         at org.apache.derby.impl.drda.DRDAConnThread.splitQRYDTA(Unknown Source)
>         at org.apache.derby.impl.drda.DRDAConnThread.writeFDODTA(Unknown Source)
>         at org.apache.derby.impl.drda.DRDAConnThread.writeQRYDTA(Unknown Source)
>         at org.apache.derby.impl.drda.DRDAConnThread.processCommands(Unknown Sou
> rce)
>         at org.apache.derby.impl.drda.DRDAConnThread.run(Unknown Source)

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