NPE when using SEDA route and attaching an extra consumer
---------------------------------------------------------
Key: CAMEL-4650
URL: https://issues.apache.org/jira/browse/CAMEL-4650
Project: Camel
Issue Type: Bug
Components: camel-core
Affects Versions: 2.8.2
Environment: Java 6, Camel 2.8.2, Centos 4.
Reporter: Tarjei Huse
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)
Bvahdat added a comment:
just a very tiny pointer:
Looking at the source it seems that the
SedaEndpoint.getConsumerMulticastProcessor() method returns 'null' causing
the NPE, as the condition:
multicastStarted == false || consumerMulticastProcessor == null
is true.
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