Hey, just curious what the strategy for the next release is.  I can't use
5.5.0 in production because this ConcurrentModificationException bug (full
stack trace below) is causing message loss.

Will there be a 5.5.1 very soon, pretty please?!  When 5.5.0 comes out and
there is a known issue that causes message loss...and that issue gets fixed
VERY quickly (thanks Gary!)...but you don't issue a bug fix release shortly
thereafter...something is wrong with this picture.

We're literally still running 5.4.1 in production because 5.4.2 has its
kahadb journal file missing/corrupt issues (fixed in 5.5.0), but we can't
use 5.5.0 because of this recent bug that causes message loss.

Please consider putting out a point release, because 5.5.0 seems to be top
notch other than this known and already fixed (fix version 5.6.0?!?!) issue. 
Or are there other major issues with 5.5.0 that cropped up and haven't been
fixed yet?

Just trying to understand the release strategy and set expectations
internally at my company.  (And the word "kestrel" keeps coming up.)

Thanks,
Dan

org.springframework.jms.UncategorizedJmsException: Uncategorized exception
occured during JMS processing; nested exception is javax.jms.JMSException:
Could not create Transport. Reason:
java.util.ConcurrentModificationException
       at
org.springframework.jms.support.JmsUtils.convertJmsAccessException(JmsUtils.java:316)
       at
org.springframework.jms.support.JmsAccessor.convertJmsAccessException(JmsAccessor.java:168)
       at
org.springframework.jms.core.JmsTemplate.execute(JmsTemplate.java:469)
       at
org.apache.camel.component.jms.JmsConfiguration$CamelJmsTemplate.send(JmsConfiguration.java:170)
       at
org.apache.camel.component.jms.JmsProducer.doSend(JmsProducer.java:355)
       at
org.apache.camel.component.jms.JmsProducer.processInOnly(JmsProducer.java:309)
       at
org.apache.camel.component.jms.JmsProducer.process(JmsProducer.java:99)
       at
org.apache.camel.util.AsyncProcessorHelper.process(AsyncProcessorHelper.java:77)
       at
org.apache.camel.processor.SendProcessor$2.doInAsyncProducer(SendProcessor.java:104)
       at
org.apache.camel.impl.ProducerCache.doInAsyncProducer(ProducerCache.java:272)
       at
org.apache.camel.processor.SendProcessor.process(SendProcessor.java:98)
       at
org.apache.camel.util.AsyncProcessorHelper.process(AsyncProcessorHelper.java:77)
       at
org.apache.camel.processor.DelegateAsyncProcessor.processNext(DelegateAsyncProcessor.java:98)
       at
org.apache.camel.processor.DelegateAsyncProcessor.process(DelegateAsyncProcessor.java:89)
       at
org.apache.camel.management.InstrumentationProcessor.process(InstrumentationProcessor.java:68)
       at
org.apache.camel.util.AsyncProcessorHelper.process(AsyncProcessorHelper.java:77)
       at
org.apache.camel.processor.DelegateAsyncProcessor.processNext(DelegateAsyncProcessor.java:98)
       at
org.apache.camel.processor.DelegateAsyncProcessor.process(DelegateAsyncProcessor.java:89)
       at
org.apache.camel.processor.interceptor.TraceInterceptor.process(TraceInterceptor.java:99)
       at
org.apache.camel.util.AsyncProcessorHelper.process(AsyncProcessorHelper.java:77)
       at
org.apache.camel.processor.RedeliveryErrorHandler.processErrorHandler(RedeliveryErrorHandler.java:299)
       at
org.apache.camel.processor.RedeliveryErrorHandler.process(RedeliveryErrorHandler.java:208)
       at
org.apache.camel.processor.DefaultChannel.process(DefaultChannel.java:269)
       at
org.apache.camel.processor.UnitOfWorkProcessor.process(UnitOfWorkProcessor.java:109)
       at
org.apache.camel.util.AsyncProcessorHelper.process(AsyncProcessorHelper.java:77)
       at
org.apache.camel.processor.DelegateAsyncProcessor.processNext(DelegateAsyncProcessor.java:98)
       at
org.apache.camel.processor.DelegateAsyncProcessor.process(DelegateAsyncProcessor.java:89)
       at
org.apache.camel.management.InstrumentationProcessor.process(InstrumentationProcessor.java:68)
       at
org.apache.camel.util.AsyncProcessorHelper.process(AsyncProcessorHelper.java:103)
       at
org.apache.camel.processor.DelegateAsyncProcessor.process(DelegateAsyncProcessor.java:85)
       at
org.apache.camel.component.jms.EndpointMessageListener.onMessage(EndpointMessageListener.java:92)
       at
org.springframework.jms.listener.AbstractMessageListenerContainer.doInvokeListener(AbstractMessageListenerContainer.java:560)
       at
org.springframework.jms.listener.AbstractMessageListenerContainer.invokeListener(AbstractMessageListenerContainer.java:498)
       at
org.springframework.jms.listener.AbstractMessageListenerContainer.doExecuteListener(AbstractMessageListenerContainer.java:467)
       at
org.springframework.jms.listener.AbstractPollingMessageListenerContainer.doReceiveAndExecute(AbstractPollingMessageListenerContainer.java:325)
       at
org.springframework.jms.listener.AbstractPollingMessageListenerContainer.receiveAndExecute(AbstractPollingMessageListenerContainer.java:263)
       at
org.springframework.jms.listener.DefaultMessageListenerContainer$AsyncMessageListenerInvoker.invokeListener(DefaultMessageListenerContainer.java:1058)
       at
org.springframework.jms.listener.DefaultMessageListenerContainer$AsyncMessageListenerInvoker.executeOngoingLoop(DefaultMessageListenerContainer.java:1050)
       at
org.springframework.jms.listener.DefaultMessageListenerContainer$AsyncMessageListenerInvoker.run(DefaultMessageListenerContainer.java:947)
       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:662)
Caused by: javax.jms.JMSException: Could not create Transport. Reason:
java.util.ConcurrentModificationException
       at
org.apache.activemq.util.JMSExceptionSupport.create(JMSExceptionSupport.java:35)
       at
org.apache.activemq.ActiveMQConnectionFactory.createTransport(ActiveMQConnectionFactory.java:245)
       at
org.apache.activemq.ActiveMQConnectionFactory.createActiveMQConnection(ActiveMQConnectionFactory.java:258)
       at
org.apache.activemq.ActiveMQConnectionFactory.createActiveMQConnection(ActiveMQConnectionFactory.java:230)
       at
org.apache.activemq.ActiveMQConnectionFactory.createConnection(ActiveMQConnectionFactory.java:178)
       at
org.apache.activemq.pool.PooledConnectionFactory.createConnection(PooledConnectionFactory.java:137)
       at
org.apache.activemq.pool.PooledConnectionFactory.createConnection(PooledConnectionFactory.java:121)
       at
org.apache.activemq.pool.PooledConnectionFactory.createConnection(PooledConnectionFactory.java:92)
       at
org.springframework.jms.support.JmsAccessor.createConnection(JmsAccessor.java:184)
       at
org.springframework.jms.core.JmsTemplate.execute(JmsTemplate.java:456)
       ... 39 more
Caused by: java.util.ConcurrentModificationException
       at java.util.HashMap$HashIterator.nextEntry(HashMap.java:793)
       at java.util.HashMap$EntryIterator.next(HashMap.java:834)
       at java.util.HashMap$EntryIterator.next(HashMap.java:832)
       at java.util.HashMap.putAllForCreate(HashMap.java:435)
       at java.util.HashMap.<init>(HashMap.java:225)
       at
org.slf4j.helpers.BasicMDCAdapter.getCopyOfContextMap(BasicMDCAdapter.java:130)
       at org.slf4j.MDC.getCopyOfContextMap(MDC.java:182)
       at
org.apache.activemq.util.MDCHelper.getCopyOfContextMap(MDCHelper.java:30)
       at
org.apache.activemq.thread.PooledTaskRunner.<init>(PooledTaskRunner.java:42)
       at
org.apache.activemq.thread.TaskRunnerFactory.createTaskRunner(TaskRunnerFactory.java:80)
       at
org.apache.activemq.transport.failover.FailoverTransport.<init>(FailoverTransport.java:129)
       at
org.apache.activemq.transport.failover.FailoverTransportFactory.createTransport(FailoverTransportFactory.java:71)
       at
org.apache.activemq.transport.failover.FailoverTransportFactory.createTransport(FailoverTransportFactory.java:62)
       at
org.apache.activemq.transport.failover.FailoverTransportFactory.doConnect(FailoverTransportFactory.java:37)
       at
org.apache.activemq.transport.TransportFactory.doConnect(TransportFactory.java:51)
       at
org.apache.activemq.transport.TransportFactory.connect(TransportFactory.java:80)
       at
org.apache.activemq.ActiveMQConnectionFactory.createTransport(ActiveMQConnectionFactory.java:243)
       ... 47 more


-----
Dan Checkoway
dcheckoway gmail com
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