Hi I think you should use the consumerCount option on the endpoint instead
On Fri, Mar 14, 2014 at 5:10 PM, Bengt Rodehav <be...@rodehav.com> wrote: > I'm using Camel 2.12.3 and the sjms component for communicating with > Weblogic JMS. > > Everything works fine when I use a single thread. However, to increase > throughput I want multiple threads to read messages from the queue. > > I've done this by using the "threads()" method: > > from(sjms:...).threads(10).... > > However I get an exception as follows: > > java.lang.Exception: Unable to complete sending the message: Only one > thread may use a JMS Session at a time.:Only one thread may use a JMS > Session at a time. > at > org.apache.camel.component.sjms.producer.InOnlyProducer.sendMessage(InOnlyProducer.java:135)[129:org.apache.camel.camel-sjms:2.12.3] > at > org.apache.camel.component.sjms.SjmsProducer.process(SjmsProducer.java:180)[129:org.apache.camel.camel-sjms:2.12.3] > at > org.apache.camel.processor.SendProcessor.process(SendProcessor.java:110)[106:org.apache.camel.camel-core:2.12.3] > at > org.apache.camel.management.InstrumentationProcessor.process(InstrumentationProcessor.java:72)[106:org.apache.camel.camel-core:2.12.3] > at > org.apache.camel.processor.RedeliveryErrorHandler.process(RedeliveryErrorHandler.java:398)[106:org.apache.camel.camel-core:2.12.3] > at > org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:191)[106:org.apache.camel.camel-core:2.12.3] > at > org.apache.camel.processor.Pipeline.process(Pipeline.java:118)[106:org.apache.camel.camel-core:2.12.3] > at > org.apache.camel.processor.Pipeline.process(Pipeline.java:80)[106:org.apache.camel.camel-core:2.12.3] > at > org.apache.camel.processor.RedeliveryErrorHandler.process(RedeliveryErrorHandler.java:398)[106:org.apache.camel.camel-core:2.12.3] > at > org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:191)[106:org.apache.camel.camel-core:2.12.3] > at > org.apache.camel.processor.MulticastProcessor.doProcessSequential(MulticastProcessor.java:574)[106:org.apache.camel.camel-core:2.12.3] > at > org.apache.camel.processor.MulticastProcessor.doProcessSequential(MulticastProcessor.java:507)[106:org.apache.camel.camel-core:2.12.3] > at > org.apache.camel.processor.MulticastProcessor.process(MulticastProcessor.java:216)[106:org.apache.camel.camel-core:2.12.3] > at > org.apache.camel.processor.Splitter.process(Splitter.java:98)[106:org.apache.camel.camel-core:2.12.3] > at > org.apache.camel.management.InstrumentationProcessor.process(InstrumentationProcessor.java:72)[106:org.apache.camel.camel-core:2.12.3] > at > org.apache.camel.processor.RedeliveryErrorHandler.process(RedeliveryErrorHandler.java:398)[106:org.apache.camel.camel-core:2.12.3] > at > org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:191)[106:org.apache.camel.camel-core:2.12.3] > at > org.apache.camel.processor.ChoiceProcessor.process(ChoiceProcessor.java:111)[106:org.apache.camel.camel-core:2.12.3] > at > org.apache.camel.management.InstrumentationProcessor.process(InstrumentationProcessor.java:72)[106:org.apache.camel.camel-core:2.12.3] > at > org.apache.camel.processor.RedeliveryErrorHandler.process(RedeliveryErrorHandler.java:398)[106:org.apache.camel.camel-core:2.12.3] > at > org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:191)[106:org.apache.camel.camel-core:2.12.3] > at > org.apache.camel.processor.Pipeline.process(Pipeline.java:118)[106:org.apache.camel.camel-core:2.12.3] > at > org.apache.camel.processor.Pipeline.process(Pipeline.java:80)[106:org.apache.camel.camel-core:2.12.3] > at > org.apache.camel.processor.Pipeline.process(Pipeline.java:118)[106:org.apache.camel.camel-core:2.12.3] > at > org.apache.camel.processor.Pipeline.access$100(Pipeline.java:43)[106:org.apache.camel.camel-core:2.12.3] > at > org.apache.camel.processor.Pipeline$1.done(Pipeline.java:136)[106:org.apache.camel.camel-core:2.12.3] > at > org.apache.camel.processor.ThreadsProcessor$ProcessCall.run(ThreadsProcessor.java:83)[106:org.apache.camel.camel-core:2.12.3] > at > java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)[:1.6.0_32] > at > java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)[:1.6.0_32] > at java.util.concurrent.FutureTask.run(FutureTask.java:138)[:1.6.0_32] > at > java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)[:1.6.0_32] > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)[:1.6.0_32] > at java.lang.Thread.run(Thread.java:662)[:1.6.0_32] > > What exactly does this mean and how can I consume messages via sjms using > multiple threads? > > /Bengt -- Claus Ibsen ----------------- Red Hat, Inc. Email: cib...@redhat.com Twitter: davsclaus Blog: http://davsclaus.com Author of Camel in Action: http://www.manning.com/ibsen Make your Camel applications look hawt, try: http://hawt.io
