All of a sudden the Message Driven Bean stops processing messages.  We have to 
do a stopDelivery() and startDelivery() on the MDB to restart processing.  
Also, the stopDelivery() hangs and the message at the top of the queue, when it 
stopped processing, will not get processed till JBoss is restarted.

We have around 10+ MDB's and when this happens the other MDB's continue 
processing as normal.  ie. A MDB (can be any of the 10+), can be affected with 
no impact on the others.

We are using 
Release ID: JBoss [WonderLand] 3.2.2 (build: CVSTag=JBoss_3_2_2 
date=200310182216)
with File Persistence Manager in default config (attached).

I suspect it may be due to misconfiguration/error in CacheStore.  Any help will 
be appreciated.

[CONFIG---file-pm-service.xml]
<?xml version="1.0" encoding="UTF-8"?>
  | <server>
  |   <mbean code="org.jboss.mq.server.jmx.DestinationManager" 
name="jboss.mq:service=DestinationManager">
  |     <depends 
optional-attribute-name="PersistenceManager">jboss.mq:service=PersistenceManager</depends>
  |     <depends 
optional-attribute-name="StateManager">jboss.mq:service=StateManager</depends>
  |   </mbean>
  |   <mbean code="org.jboss.mq.server.MessageCache"
  |      name="jboss.mq:service=MessageCache">
  |     <attribute name="HighMemoryMark">50</attribute>
  |     <attribute name="MaxMemoryMark">60</attribute>
  |     <depends 
optional-attribute-name="CacheStore">jboss.mq:service=CacheStore</depends>
  |   </mbean>
  |   <mbean code="org.jboss.mq.pm.file.CacheStore"
  |      name="jboss.mq:service=CacheStore">
  |     <attribute name="DataDirectory">tmp/jbossmq</attribute>
  |   </mbean>
  |   <mbean code="org.jboss.mq.pm.file.PersistenceManager"
  |      name="jboss.mq:service=PersistenceManager">
  |     <attribute name="DataDirectory">data/jbossmq/file</attribute>
  |     <depends 
optional-attribute-name="MessageCache">jboss.mq:service=MessageCache</depends>
  |   </mbean>
  | </server>
[END CONFIG---file-pm-service.xml]

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