I am writing an application using spring as my base, camel as my routing tool
and activemq as my transport.
I wrote a listener to capture the message as it arrives into the Queue - and
process it right away.
Code:
@Service
public class PayloadQueueListener implements MessageListener {
@Override
public void onMessage(Message message) {
try {
ActiveMQBlobMessage blobMessage = (ActiveMQBlobMessage)
message;
However - whenever I try to to do the cast - it throws a class cast
exception:
Exception:
org.apache.camel.RuntimeCamelException: java.lang.RuntimeException:
java.lang.ClassCastException: org.apache.activemq.command.ActiveMQMessage
cannot be cast to org.apache.activemq.command.ActiveMQBlobMessage
at
org.apache.camel.util.ObjectHelper.wrapRuntimeCamelException(ObjectHelper.java:1039)
at
org.apache.camel.component.jms.EndpointMessageListener.onMessage(EndpointMessageListener.java:103)
at
org.springframework.jms.listener.AbstractMessageListenerContainer.doInvokeListener(AbstractMessageListenerContainer.java:543)
at
org.springframework.jms.listener.AbstractMessageListenerContainer.invokeListener(AbstractMessageListenerContainer.java:482)
at
org.springframework.jms.listener.AbstractMessageListenerContainer.doExecuteListener(AbstractMessageListenerContainer.java:451)
at
org.springframework.jms.listener.AbstractPollingMessageListenerContainer.doReceiveAndExecute(AbstractPollingMessageListenerContainer.java:323)
at
org.springframework.jms.listener.AbstractPollingMessageListenerContainer.receiveAndExecute(AbstractPollingMessageListenerContainer.java:261)
at
org.springframework.jms.listener.DefaultMessageListenerContainer$AsyncMessageListenerInvoker.invokeListener(DefaultMessageListenerContainer.java:982)
at
org.springframework.jms.listener.DefaultMessageListenerContainer$AsyncMessageListenerInvoker.executeOngoingLoop(DefaultMessageListenerContainer.java:974)
at
org.springframework.jms.listener.DefaultMessageListenerContainer$AsyncMessageListenerInvoker.run(DefaultMessageListenerContainer.java:876)
at java.lang.Thread.run(Thread.java:619)
Do I need to do something specifically with ActiveMQ or is this an issue
with the way Camel is routing message and type casting it to the queue?
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