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From "Claus Ibsen (JIRA)" <j...@apache.org>
Subject [jira] Commented: (CAMEL-2854) No consumers available on "direct://xyz" endpoint
Date Tue, 29 Jun 2010 06:49:51 GMT

    [ https://issues.apache.org/activemq/browse/CAMEL-2854?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=60321#action_60321
] 

Claus Ibsen commented on CAMEL-2854:
------------------------------------

Michael

Do you send messages to a lot of different Camel endpoints? For example do you use any of
the dynamic EIP patterns such as recipient list or routing slip.
And when the issue happens, is that after a long period without sending messages to that given
endpoint?

Do you have other direct endpoints at the same time working?

How many routes do you have in your application? And can you see a lot of endpoints listed
in JConsole?

> No consumers available on "direct://xyz" endpoint
> -------------------------------------------------
>
>                 Key: CAMEL-2854
>                 URL: https://issues.apache.org/activemq/browse/CAMEL-2854
>             Project: Apache Camel
>          Issue Type: Bug
>          Components: camel-core
>    Affects Versions: 2.2.0
>         Environment: ActiveMQ 5.3.2 / Camel 2.2.0
>            Reporter: Michael Chen
>            Priority: Blocker
>
> The following warning in log4j log shows up with no predictable reason:
> 2010-06-24 14:07:01,090  WARN [DefaultMessageListenerContainer-7:DirectProducer.java:42]
No consumers available on endpoint: Endpoint[direct://UserCancelJobRequest] to process: Exchange[JmsMessage:
RunnerBase{locationToRunId='DV02YcABTE43HTRPATEGCBFk0m0', jobrun_id=1234, requestOrigId='null',
secretKey='null', replyToQueueOrTopic='null', corrolationId='null', requestCreationTime=Thu
Jun 24 14:07:01 PDT 2010}]
> The endpoint [direct://UserCancelJobRequest] could be a number of different endpoints
in our application and all of them are of "direct:" type.  When this happens, all messages
that run through that endpoint will fail, and it will never recover unless the application
is restarted.
> Also, if I restart the application and use that route immediately, that warning will
not occur and the request will finish successfully.  It seems to happen to routes that have
not been used for a while after startup.
> When this happens, I can find the exact Camel endpoint/route/processor in JConsole, and
nothing seems to be wrong.  How can a "direct:" endpoint runs out of consumer?  Isn't the
thread that product this warning THE thread to process the message?
> We recently upgraded from 5.2 to 5.3.2 and this starts to show up randomly. It is a show
stopper!
> --Michael

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