Re: Camel swallows Error

Tue, 11 Feb 2014 00:17:55 -0800

Sorry for late response. I was in vacation. I ran your test and checked the stack trace output and found some difference with the one I got problem. 

Stacktrace with your test:
org.apache.camel.CamelExecutionException: Exception occurred during execution on the exchange: Exchange[Message: Hello World] at org.apache.camel.util.ObjectHelper.wrapCamelExecutionException(ObjectHelper.java:1368) at org.apache.camel.impl.DefaultExchange.setException(DefaultExchange.java:283) at org.apache.camel.processor.DelegateSyncProcessor.process(DelegateSyncProcessor.java:66) at org.apache.camel.processor.RedeliveryErrorHandler.process(RedeliveryErrorHandler.java:398) at org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:191) 
    at org.apache.camel.processor.Pipeline.process(Pipeline.java:118)
    at org.apache.camel.processor.Pipeline.process(Pipeline.java:80)
at org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:191) at org.apache.camel.component.seda.SedaConsumer.sendToConsumers(SedaConsumer.java:291) at org.apache.camel.component.seda.SedaConsumer.doRun(SedaConsumer.java:200) at org.apache.camel.component.seda.SedaConsumer.run(SedaConsumer.java:147) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) 
    at java.lang.Thread.run(Thread.java:744)
Caused by: java.lang.NoClassDefFoundError
    at org.apache.camel.util.ProcessorFail.process(ProcessorFail.java:26)
at org.apache.camel.processor.DelegateSyncProcessor.process(DelegateSyncProcessor.java:63) 
    ... 11 more
It indicates the exception is thrown in DelegateSyncProcessor. But in the error log of my problem, I found it's in DelegateAsyncProcessor. I don't know in which case Camel uses DelegateSyncProcessor and DelegateAsyncProcessor. Could that cause the different behavior?
2014-01-23 18:06:04 WARN Camel (camel-1) thread #0 - JmsConsumer[com.test.new] org.apache.camel.component.jms.EndpointMessageListener - Execution of JMS message listener failed. Caused by : [org.apache.camel.CamelExecutionException - Exception occurred during execution on the exchange: Exchange[JmsMessage[JmsMessageID: ID:test-ubt-43737-1390470192665-1:1:5:1:1]]] org.apache.camel.CamelExecutionException: Exception occurred during execution on the exchange: Exchange[JmsMessage[JmsMessageID: ID:test-ubt-43737-1390470192665-1:1:5:1:1]] at org.apache.camel.util.ObjectHelper.wrapCamelExecutionException(ObjectHelper.java:1368)[camel-core-2.12.2.jar:2.12.2] at org.apache.camel.impl.DefaultExchange.setException(DefaultExchange.java:283)[camel-core-2.12.2.jar:2.12.2] at org.apache.camel.processor.DelegateSyncProcessor.process(DelegateSyncProcessor.java:66)[camel-core-2.12.2.jar:2.12.2] at org.apache.camel.management.InstrumentationProcessor.process(InstrumentationProcessor.java:72)[camel-core-2.12.2.jar:2.12.2] at org.apache.camel.processor.RedeliveryErrorHandler.process(RedeliveryErrorHandler.java:398)[camel-core-2.12.2.jar:2.12.2] at org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:191)[camel-core-2.12.2.jar:2.12.2] at org.apache.camel.processor.Pipeline.process(Pipeline.java:118)[camel-core-2.12.2.jar:2.12.2] at org.apache.camel.processor.Pipeline.process(Pipeline.java:80)[camel-core-2.12.2.jar:2.12.2] at org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:191)[camel-core-2.12.2.jar:2.12.2] at org.apache.camel.util.AsyncProcessorHelper.process(AsyncProcessorHelper.java:105)[camel-core-2.12.2.jar:2.12.2] at org.apache.camel.processor.DelegateAsyncProcessor.process(DelegateAsyncProcessor.java:87)[camel-core-2.12.2.jar:2.12.2] at org.apache.camel.component.jms.EndpointMessageListener.onMessage(EndpointMessageListener.java:103)[camel-jms-2.12.2.jar:2.12.2] at org.springframework.jms.listener.AbstractMessageListenerContainer.doInvokeListener(AbstractMessageListenerContainer.java:562)[spring-jms-3.2.4.RELEASE.jar:3.2.4.RELEASE] at org.springframework.jms.listener.AbstractMessageListenerContainer.invokeListener(AbstractMessageListenerContainer.java:500)[spring-jms-3.2.4.RELEASE.jar:3.2.4.RELEASE] at org.springframework.jms.listener.AbstractMessageListenerContainer.doExecuteListener(AbstractMessageListenerContainer.java:468)[spring-jms-3.2.4.RELEASE.jar:3.2.4.RELEASE] at org.springframework.jms.listener.AbstractPollingMessageListenerContainer.doReceiveAndExecute(AbstractPollingMessageListenerContainer.java:325)[spring-jms-3.2.4.RELEASE.jar:3.2.4.RELEASE] at org.springframework.jms.listener.AbstractPollingMessageListenerContainer.receiveAndExecute(AbstractPollingMessageListenerContainer.java:263)[spring-jms-3.2.4.RELEASE.jar:3.2.4.RELEASE] at org.springframework.jms.listener.DefaultMessageListenerContainer$AsyncMessageListenerInvoker.invokeListener(DefaultMessageListenerContainer.java:1103)[spring-jms-3.2.4.RELEASE.jar:3.2.4.RELEA 
SE]
at org.springframework.jms.listener.DefaultMessageListenerContainer$AsyncMessageListenerInvoker.executeOngoingLoop(DefaultMessageListenerContainer.java:1095)[spring-jms-3.2.4.RELEASE.jar:3.2.4.R 
ELEASE]
at org.springframework.jms.listener.DefaultMessageListenerContainer$AsyncMessageListenerInvoker.run(DefaultMessageListenerContainer.java:992)[spring-jms-3.2.4.RELEASE.jar:3.2.4.RELEASE] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)[:1.7.0_25] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)[:1.7.0_25] 
    at java.lang.Thread.run(Thread.java:724)[:1.7.0_25]

于 2014/1/29 17:01, Claus Ibsen 写道:

Did some unit tests which cannot reproduce the issue you see.
https://github.com/apache/camel/commit/8cd86620d09f9641f4d29c5a131f162fd48ec547

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