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From "Adrian Lisenberg (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AMQ-4183) AMQ 5.7 lost long queue names with filteredKahaDB
Date Mon, 26 Nov 2012 15:08:58 GMT

    [ https://issues.apache.org/jira/browse/AMQ-4183?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13503824#comment-13503824
] 

Adrian Lisenberg commented on AMQ-4183:
---------------------------------------

If you don't set those system properties and still use long queue names, then there is no
warning or error alerting those queues will disappear after broker restart. One solution would
be controlling the length of queue names while creating them and verifying against MaximumDirNameLength
and MaximumFileNameLength.

adrian
                
> AMQ 5.7 lost long queue names with filteredKahaDB
> -------------------------------------------------
>
>                 Key: AMQ-4183
>                 URL: https://issues.apache.org/jira/browse/AMQ-4183
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: Broker
>    Affects Versions: 5.7.0
>         Environment: Linux, AMQ 5.7, KahaDB, filteredKahaDB, perDestination="true", long
queueNames.
>            Reporter: Adrian Lisenberg
>            Priority: Minor
>
> Using AMQ 5.7 with filteredKahaDB and perDestination="true". I send persistent messages
to a queue with a long name (more than 60 chars in the name). After broker restart this queue
is not there anymore.
> It seems that kahadb is generating a truncated directory for that queue. The directory
name is missing first letters. For short queue names, directory start with something like
"queue#3a#2f#2f....", but for long queue names directory start with "#2f#2f...".

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