[switchyard-issues] [JBoss JIRA] Created: (SWITCHYARD-326) Camel JMS Route throws NullPointerException when the route is stopped.
Camel JMS Route throws NullPointerException when the route is stopped.
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Key: SWITCHYARD-326
URL: https://issues.jboss.org/browse/SWITCHYARD-326
Project: SwitchYard
Issue Type: Bug
Components: component-camel
Reporter: Daniel Bevenius
Assignee: Daniel Bevenius
Fix For: 0.2
The following NullPointerException can be seen in the logs when A Camel JMS route is
stopped:
{noformat}
8:04:19,257 INFO [impl.DefaultShutdownStrategy] Route:
SimpleCamelService-[jms://TestQueue?connectionFactory=#ConnectionFactory] suspended and
shutdown deferred, was consuming from:
Endpoint[jms://TestQueue?connectionFactory=%23ConnectionFactory]
08:04:19,258 WARN [impl.DefaultShutdownStrategy] Error occurred while shutting down
route: Consumer[jms://TestQueue?connectionFactory=%23ConnectionFactory]. This exception
will be ignored.
java.lang.NullPointerException
at org.apache.camel.component.jms.JmsConsumer.doStop(JmsConsumer.java:130)
at org.apache.camel.impl.ServiceSupport.stop(ServiceSupport.java:98)
at org.apache.camel.impl.ServiceSupport.stop(ServiceSupport.java:122)
at org.apache.camel.util.ServiceHelper.stopService(ServiceHelper.java:108)
at
org.apache.camel.impl.DefaultShutdownStrategy.shutdownNow(DefaultShutdownStrategy.java:248)
at
org.apache.camel.impl.DefaultShutdownStrategy$ShutdownTask.run(DefaultShutdownStrategy.java:475)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:680)
08:04:19,258 INFO [impl.DefaultShutdownStrategy] Route:
SimpleCamelService-[jms://TestQueue?connectionFactory=#ConnectionFactory] shutdown
complete.
08:04:19,259 INFO [impl.DefaultShutdownStrategy] Graceful shutdown of 1 routes completed
in 0 seconds
{noformat}
By stepping through this it seems like Camel is trying to stop the route twice, once which
is triggered by SwitchYard's InboundHandler and a second time by Camel. The second
call is what is producing this NPE.
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