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https://issues.apache.org/jira/browse/QPID-4503?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13532260#comment-13532260
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Keith Wall edited comment on QPID-4503 at 12/14/12 12:20 PM:
-------------------------------------------------------------
I am able to reliably reproduce this defect on my our machine (Intel Xeon
E5620) with the attached perf test script and a virtualhost config to use BDB,
with transaction timeout configured and housekeeping at 25ms checkPeriod. With
this configuration, I see about 20-30 spurious reports per 120s test run. See
attachment.
was (Author: k-wall):
I am able to reliably reproduce this defect on my our machine (Intel Xeon
E5620) with the attached perf test script and a virtualhost config to use BDB,
with transaction timeout configured and housekeeping at 25ms checkPeriod. See
attachment.
> Producer transaction timeout detection feature may produce suprious open/idle
> alerts and close client connections without good cause
> ------------------------------------------------------------------------------------------------------------------------------------
>
> Key: QPID-4503
> URL: https://issues.apache.org/jira/browse/QPID-4503
> Project: Qpid
> Issue Type: Bug
> Components: Java Broker
> Affects Versions: 0.12, 0.14, 0.16, 0.18, 0.20
> Reporter: Keith Wall
>
> There is a race condition in AMQChannel#checkTransactionStatus (and
> ServerSession#checkTransactionStatus) which can lead to spurious open/idle
> alerts and incorrectly closed client connections (0-8..0-9-1) or client
> sessions (0-10).
> When the defect manifests, the alert generated incorrectly identifies the
> transaction as being open since Jan 1, 1970. eg. 1,355,281,641,112 ms
> e.g.
> {noformat}
> [con:11(guest@/127.0.0.1:47276/test)/ch:2] CHN-1007 : Open Transaction :
> 1,355,281,641,112 ms
> {noformat}
> This defect affects only users who have configured the transaction timeout
> feature (as described
> http://qpid.apache.org/books/trunk/AMQP-Messaging-Broker-Java-Book/html/Java-Broker-Runtime-Producer-Transaction-Timeout.html).
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