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From "Gary Tully (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AMQ-5853) JDBC store - pending high priority messages batch cannot be consumed after low priority message batch
Date Thu, 09 Jul 2015 09:35:04 GMT

    [ https://issues.apache.org/jira/browse/AMQ-5853?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14620186#comment-14620186
] 

Gary Tully commented on AMQ-5853:
---------------------------------

additional fix and test - both kahadb and jdbc stores needed fixes for cacheEnabled case -
http://git-wip-us.apache.org/repos/asf/activemq/commit/3985e722

> JDBC store - pending high priority messages batch cannot be consumed after low priority
message batch 
> ------------------------------------------------------------------------------------------------------
>
>                 Key: AMQ-5853
>                 URL: https://issues.apache.org/jira/browse/AMQ-5853
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: JDBC, Message Store
>    Affects Versions: 5.11.0
>            Reporter: Gary Tully
>            Assignee: Gary Tully
>            Priority: Blocker
>             Fix For: 5.12.0
>
>
> With priority message enabled a batch of low priority messages can leave the cursor unable
to load subsequent high priority messages.
> More visible when useCache=false.
> A new consumer or browse will not be able to see pending messages.
> Issue occurs after dispatch of low priority messages, an empty store and the addition
of high priority messages.



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