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From "Claus Ibsen (JIRA)" <>
Subject [jira] Commented: (CAMEL-1034) Messages in StreamResequencer between 2 ActiveMQ queues seem to be stuck
Date Thu, 30 Oct 2008 15:46:05 GMT


Claus Ibsen commented on CAMEL-1034:

Could we create a new ticket or sub ticket with the renaming work on the non stream that Martin
mentions, so we wont forget it. Maybe if Martin has a bit time in the future he will commit
a fix for that issue as well.

> Messages in StreamResequencer between 2 ActiveMQ queues seem to be stuck
> ------------------------------------------------------------------------
>                 Key: CAMEL-1034
>                 URL:
>             Project: Apache Camel
>          Issue Type: Bug
>          Components: camel-core
>    Affects Versions: 1.4.0
>         Environment: Windows XP SP3, Sun JDK 1.5.0_11, FUSE Mediation Router 1.4.5, ActiveMQ
>            Reporter: Peter MacKinnon
>            Assignee: Jonathan Anstey
>             Fix For: 2.0.0
>         Attachments: camel-core.patch,, stream-resequencer-trace.txt
> Perhaps some subtle configuration issue, but a Camel stream resequencer that is a route
between 2 ActiveMQ queues fails to deliver all ordered messages. In fact, using the defaults
for a StreamResequencer only 1 out of 100 messages are delivered. However, all 100 messages
have been removed from the Producer queue by the resequencer and are not moved to the consumer
queue either (even unordered). 
> Relevant points:
> - Broker is run external to Camel route (non-embedded, no VM transport)
> - Producer is a Camel ProducerTemplate
> - Consumer is a Camel route that listens on another delivery queue and delivers message
to a simple stdout Processor
> - Resequencer uses stream defaults (100, 1000ms)
> - Trace warns of some Converter override (see attached trace) and throws a breadcrumb
> - Resequencer fails delivery whether using body (long) or seqnum header (long)
> - all JMS components are configured for AutoAcks

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