Issue

• When sending messages to a JMS destination the message producer hangs. The address settings in hornetq-configuration.xml are as follows:

<address-settings>
   <address-setting match="#">
      <dead-letter-address>jms.queue.DLQ</dead-letter-address>
      <expiry-address>jms.queue.ExpiryQueue</expiry-address>
      <redelivery-delay>0</redelivery-delay>
      <max-size-bytes>10485760</max-size-bytes>
      <message-counter-history-day-limit>10</message-counter-history-day-limit>
      <address-full-policy>BLOCK</address-full-policy>
   </address-setting>
</address-settings>

• This is what I see on the client when I take a thread dump:

java.lang.Thread.State: WAITING (parking)  
at sun.misc.Unsafe.$$YJP$$park(Native Method)  
- parking to wait for <0x18ea1e50> (a java.util.concurrent.Semaphore$NonfairSync)  
at sun.misc.Unsafe.park(Unsafe.java)  
at java.util.concurrent.locks.LockSupport.park(LockSupport.java:158)  
at java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:747)  
at java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedInterruptibly(AbstractQueuedSynchronizer.java:905)  
at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireSharedInterruptibly(AbstractQueuedSynchronizer.java:1217)  
at java.util.concurrent.Semaphore.acquire(Semaphore.java:441)  
at org.hornetq.core.client.impl.ClientProducerCreditsImpl.acquireCredits(ClientProducerCreditsImpl.java:74)  
at org.hornetq.core.client.impl.ClientProducerImpl.doSend(ClientProducerImpl.java:305)  
at org.hornetq.core.client.impl.ClientProducerImpl.send(ClientProducerImpl.java:142)  
at org.hornetq.jms.client.HornetQMessageProducer.doSend(HornetQMessageProducer.java:451)  
at org.hornetq.jms.client.HornetQMessageProducer.send(HornetQMessageProducer.java:210)  
at org.hornetq.jms.client.HornetQMessageProducer.publish(HornetQMessageProducer.java:268)  
at ...
- locked <0x18b47e88> (a java.lang.Object)