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https://issues.apache.org/activemq/browse/SM-1667?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=48534#action_48534
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Ron Gavlin commented on SM-1667:
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Unfortunately, most of the JBI component unit tests only test synchronous
usage. I have been testing and opening issues against numerous components that
either:
1. did not support async processing at all
2. only partially supported async processing but didn't handle errors/faults
correctly
3. did not support the robust-in-only MEP
A few that come to mind are smx-eip, smx-bean, smx-camel, smx-drools, smx-jms,
smx-http, and smx-cxf-bc.
With the exception of SM-1757, all my outstanding issues with async support are
now resolved. I believe most of the components that support async processing
use the exchange StoreFactory/Store interfaces to do so. Of course async
support is not relevant for components that support only in-out MEPs.
>From my perspective, sync vs. async is a tradeoff. Sync consumes lots of
>threads and small amounts of memory while async consumes few threads and lots
>of memory managing state. With 64-bit JVMs and cheap memory, the scalability
>provided by async processing is attractive.
/Ron
> TransformBeanSupport does not correctly report errors for in-only exchanges
> ---------------------------------------------------------------------------
>
> Key: SM-1667
> URL: https://issues.apache.org/activemq/browse/SM-1667
> Project: ServiceMix
> Issue Type: Bug
> Components: servicemix-bean
> Affects Versions: servicemix-bean-2008.01
> Reporter: Ron Gavlin
> Assignee: Guillaume Nodet
> Priority: Critical
> Fix For: servicemix-bean-2008.02, 3.2.4
>
> Attachments: sm-1667-inout-regression.patch
>
>
> The smx-bean TransformBeanSupport class does not correctly report errors for
> in-only exchanges. If the target exchange status is ERROR, the source
> exchange status is still returned as DONE. This should be fixed for both sync
> and async use cases.
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