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https://issues.apache.org/jira/browse/DERBY-6456?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Knut Anders Hatlen updated DERBY-6456:
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Issue & fix info: Patch Available
All tests passed with the patch.
> Infinite loop in NetworkServerControlImpl when reply >= 32k
> -----------------------------------------------------------
>
> Key: DERBY-6456
> URL: https://issues.apache.org/jira/browse/DERBY-6456
> Project: Derby
> Issue Type: Bug
> Components: Network Server
> Affects Versions: 10.10.1.1
> Reporter: Martin JANDA
> Assignee: Knut Anders Hatlen
> Attachments: d6456-1a.diff
>
>
> When size of reply in NetworkServerControlImpl equals to 32k (max size for
> short) ensureDataInBuffer is in infinite loop. clientIs.read(...,
> replyBuffer.length - replyBufferCount) return 0 because 'replyBuffer.length -
> replyBufferCount' is 0 (bytes to read).
> Steps to reproduce:
> Open many connections (for me 34) with at least 1 SELECT query. and call
> getRuntimeInfo(). Runtime info string.length > 32kB. Leading to infinite loop.
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