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From Tarjei Huse <tar...@scanmine.com>
Subject NPE when using SEDA queue
Date Tue, 08 Nov 2011 08:16:32 GMT
Hi,

I'm trying to construct a system for moving some seda queues over to
ActiveMQ during system shutdown. What I did was create a Route that
connects to some of my seda queues and then drains the queue to activemq.

Basicly I got two routes, the drainer:

from("seda:" + sedaId + "?size=1000")
                    .routeId(routeName +
sedaIs).noAutoStartup().to(activeMQFailuresQueue);


And the main route:

from("seda:" + sedaId + "?size=1000")
                    .routeId(routeName + sedaIs).to(SomeProcessor);

Now, sometimes the main route stalls for various reasons I need to
restart the jvm process it is running in, so I start the first route.
But when trying this in production, I got:

 java.lang.NullPointerException
    at
org.apache.camel.util.AsyncProcessorHelper.process(AsyncProcessorHelper.java:78)
    at
org.apache.camel.component.seda.SedaConsumer.sendToConsumers(SedaConsumer.java:210)
    at
org.apache.camel.component.seda.SedaConsumer.doRun(SedaConsumer.java:155)
    at
org.apache.camel.component.seda.SedaConsumer.run(SedaConsumer.java:129)
    at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
    at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
    at java.lang.Thread.run(Thread.java:619)

So, is it possible to use seda this way - do I have to shut down the
first route first - or is there something else going on?



-- 
Regards / Med vennlig hilsen
Tarjei Huse
Mobil: 920 63 413


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