[CAMEL-2994] camel-cxf - CxfClientCallback is invoked twice when only one was expected

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.5.0
• Fix Version/s: 2.5.0
• Component/s: camel-cxf
• Assignee: Willem Jiang
• Reporter: Claus Ibsen
• Created: 26/Jul/10 11:21
• Updated: 24/Apr/11 09:57
• Resolved: 26/Jul/10 13:29

Description

Run the test CXFWsdlOnlyTest

Because CXF invokes the CxfClientCallback 2 times there is a race condition with 2 threads wanting to complete routing the Exchange.

You can then end up with errors such as

>>>>>>>>>
2010-07-26 13:22:13,305 [default-workqueue-1                ] INFO  Logger                         - Exchange[Message: [Body is instance of java.io.InputStream]]
Exception in thread "default-workqueue-1" java.util.NoSuchElementException
	at java.util.AbstractList$Itr.next(AbstractList.java:350)
	at org.apache.camel.processor.Pipeline$1.done(Pipeline.java:153)
	at org.apache.camel.processor.DefaultChannel$1.done(DefaultChannel.java:262)
	at org.apache.camel.processor.RedeliveryErrorHandler$1.done(RedeliveryErrorHandler.java:302)
	at org.apache.camel.management.InstrumentationProcessor$1.done(InstrumentationProcessor.java:78)
	at org.apache.camel.management.InstrumentationProcessor$1.done(InstrumentationProcessor.java:78)
	at org.apache.camel.component.cxf.CxfClientCallback.handleException(CxfClientCallback.java:77)
	at org.apache.cxf.interceptor.ClientOutFaultObserver.onMessage(ClientOutFaultObserver.java:55)
	at org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream$1.run(HTTPConduit.java:2144)
	at org.apache.cxf.workqueue.AutomaticWorkQueueImpl$2.run(AutomaticWorkQueueImpl.java:253)
	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
	at java.lang.Thread.run(Thread.java:637)
2010-07-26 13:22:13,305 [default-workqueue-2                ] INFO  Logger                         - Exchange[Message: [Body is instance of java.io.InputStream]]
Exception in thread "default-workqueue-2" java.util.NoSuchElementException
	at java.util.AbstractList$Itr.next(AbstractList.java:350)
	at org.apache.camel.processor.Pipeline$1.done(Pipeline.java:153)
	at org.apache.camel.processor.DefaultChannel$1.done(DefaultChannel.java:262)
	at org.apache.camel.processor.RedeliveryErrorHandler$1.done(RedeliveryErrorHandler.java:302)
	at org.apache.camel.management.InstrumentationProcessor$1.done(InstrumentationProcessor.java:78)
	at org.apache.camel.management.InstrumentationProcessor$1.done(InstrumentationProcessor.java:78)
	at org.apache.camel.component.cxf.CxfClientCallback.handleException(CxfClientCallback.java:77)
	at org.apache.cxf.interceptor.ClientOutFaultObserver.onMessage(ClientOutFaultObserver.java:55)
	at org.apache.cxf.transport.http.HTTPConduit$WrappedOutputStream$1.run(HTTPConduit.java:2144)
	at org.apache.cxf.workqueue.AutomaticWorkQueueImpl$2.run(AutomaticWorkQueueImpl.java:253)
	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
	at java.lang.Thread.run(Thread.java:637)

CXF should only invoke the org.apache.cxf.endpoint.ClientCallback one time as we have only registered this once.