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Posted to derby-dev@db.apache.org by "Knut Anders Hatlen (JIRA)" <ji...@apache.org> on 2014/01/17 11:05:20 UTC
[jira] [Assigned] (DERBY-6456) Infinite loop in
NetworkServerControlImpl when reply >= 32k
[ https://issues.apache.org/jira/browse/DERBY-6456?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Knut Anders Hatlen reassigned DERBY-6456:
-----------------------------------------
Assignee: Knut Anders Hatlen
> 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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