[jboss-jira] [JBoss JIRA] Updated: (JBMESSAGING-1823) Selector and paging : messages are not loaded from storage

Fri Oct 22 08:46:55 EDT 2010

     [ https://jira.jboss.org/browse/JBMESSAGING-1823?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

CYRIL GERBIER updated JBMESSAGING-1823:
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    Attachment: SelectorPagingPb.zip


source code to reproduce pb

> Selector and paging : messages are not loaded from storage 
> -----------------------------------------------------------
>
>                 Key: JBMESSAGING-1823
>                 URL: https://jira.jboss.org/browse/JBMESSAGING-1823
>             Project: JBoss Messaging
>          Issue Type: Bug
>          Components: Messaging Core
>    Affects Versions: 1.4.0.SP3, 1.4.0.SP3_CP01, 1.4.0.SP3.CP02, 1.4.0.SP3_CP03,  1.4.0.SP3.CP04, 1.4.0.SP3.CP05, 1.4.0.SP3.CP06, 1.4.0.SP3.CP07, 1.4.0.SP3.CP08, 1.4.0.SP3.CP09, 1.4.0.SP3.CP10, 1.4.5.GA
>         Environment: Jboss Messaging 1.4.0SP3 (also 1.4.5.GA) 
>            Reporter: CYRIL GERBIER
>         Attachments: SelectorPagingPb.zip
>
>
> My problem concern the use of selector on paging queues: as long as the first message in memory is not consumed, jboss messaging 1.4.0 SP3 (also 1.4.5.GA) doesn't load messages from storage. 
> For example, I create a queue with following paging parameters: FullSize=20, PageSize=10, DownCacheSize=10. I send 35 messages in this queue (with JMS property test set from 0 to 35). So I have 20 messages in memory and 15 on storage. 
> Then, I try to consume messages except the one with test=2. I use selector on test property to consume my messages.
> The result is I can consume all messages in memory, but I can't for those in storage: they are staying in storage, and JBoss Messaging doesn't load these messages from storage.
>  
> Actually, the messages in storage are loaded only when first message in memory is consumed. In my case, I don't consume message 2 which is the first message in memory. 
> How avoid this behaviour that block all my product with thousands of messages blocked in my queue?

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