Unfortunately I get a similar cast exception when I just go straight to BlobMessage. Is there a javax.jms.BlobMessage? http://activemq.apache.org/blob-messages.html Exception: java.lang.ClassCastException: org.apache.activemq.command.ActiveMQMessage cannot be cast to org.apache.activemq.BlobMessage at com.walgreens.scale.listener.PayloadQueueListener.onMessage(PayloadQueueListener.java:29) at org.apache.activemq.camel.converter.ActiveMQMessageConverter$1.process(ActiveMQMessageConverter.java:68) at org.apache.camel.component.bean.BeanProcessor.process(BeanProcessor.java:83) at org.apache.camel.impl.ProcessorEndpoint.onExchange(ProcessorEndpoint.java:95) at org.apache.camel.impl.ProcessorEndpoint$1.process(ProcessorEndpoint.java:65) at org.apache.camel.processor.SendProcessor$1.doInProducer(SendProcessor.java:97) at org.apache.camel.processor.SendProcessor$1.doInProducer(SendProcessor.java:95) at org.apache.camel.impl.ProducerCache.doInProducer(ProducerCache.java:146) at org.apache.camel.processor.SendProcessor.doProcess(SendProcessor.java:94) at org.apache.camel.processor.SendProcessor.process(SendProcessor.java:82) at org.apache.camel.management.InstrumentationProcessor.process(InstrumentationProcessor.java:67) at org.apache.camel.processor.DelegateProcessor.processNext(DelegateProcessor.java:53) at org.apache.camel.processor.DelegateProcessor.proceed(DelegateProcessor.java:82) at org.apache.camel.processor.interceptor.TraceInterceptor.process(TraceInterceptor.java:93) at org.apache.camel.management.InstrumentationProcessor.process(InstrumentationProcessor.java:67) at org.apache.camel.processor.RedeliveryErrorHandler.processExchange(RedeliveryErrorHandler.java:223) at org.apache.camel.processor.RedeliveryErrorHandler.processErrorHandler(RedeliveryErrorHandler.java:153) at org.apache.camel.processor.RedeliveryErrorHandler.process(RedeliveryErrorHandler.java:91) at org.apache.camel.processor.DefaultErrorHandler.process(DefaultErrorHandler.java:49) at org.apache.camel.processor.DefaultChannel.process(DefaultChannel.java:206) at org.apache.camel.processor.UnitOfWorkProcessor.processNext(UnitOfWorkProcessor.java:54) at org.apache.camel.processor.DelegateProcessor.process(DelegateProcessor.java:48) at org.apache.camel.management.InstrumentationProcessor.process(InstrumentationProcessor.java:67) at org.apache.camel.component.jms.EndpointMessageListener.onMessage(EndpointMessageListener.java:83)
Claus Ibsen-2 wrote: > > Hi > > You should generally only cast to the known JMS types from the JMS > spec, eg. javax.jms.TextMessage, javax.jms.BytesMessage. > > If you want to cast to specialized AMQ types then use instanceof to > check the type to be sure. > > On Tue, Mar 2, 2010 at 4:16 PM, bzaks1424 <[email protected]> wrote: >> >> 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? >> -- >> View this message in context: >> http://old.nabble.com/Camel-%2B-ActiveMQ-%2B-Spring-Problems-tp27757055p27757055.html >> Sent from the Camel - Users mailing list archive at Nabble.com. >> >> > > > > -- > Claus Ibsen > Apache Camel Committer > > Author of Camel in Action: http://www.manning.com/ibsen/ > Open Source Integration: http://fusesource.com > Blog: http://davsclaus.blogspot.com/ > Twitter: http://twitter.com/davsclaus > > -- View this message in context: http://old.nabble.com/Camel-%2B-ActiveMQ-%2B-Spring-Problems-tp27757055p27757436.html Sent from the Camel - Users mailing list archive at Nabble.com.
