Based on some other post I decided to add the following parameters to my
configuration:

        <persistenceAdapter>
            <kahaDB directory="/var/gluster/activemq/data/kahadb"
                    ignoreMissingJournalfiles="true"
                    checkForCorruptJournalFiles="true"
                    checksumJournalFiles="true"/>
        </persistenceAdapter>

The system seem to have started correctly but after a few minutes util it
started throwing the following exceptions:

INFO   | jvm 1    | 2012/09/19 00:43:12 |  INFO | Recovering from the
journal ...
INFO   | jvm 1    | 2012/09/19 00:43:12 |  INFO | Recovery replayed 1
operations from the journal in 0.017 seconds.
INFO   | jvm 1    | 2012/09/19 00:43:12 |  INFO | ActiveMQ 5.6.0 JMS Message
Broker (broker) is starting
INFO   | jvm 1    | 2012/09/19 00:43:12 |  INFO | For help or more
information please see: http://activemq.apache.org/
INFO   | jvm 1    | 2012/09/19 00:43:16 |  INFO | Listening for connections
at: tcp://mqbroker02.fitbit.com:61616
INFO   | jvm 1    | 2012/09/19 00:43:16 |  INFO | Connector openwire Started
INFO   | jvm 1    | 2012/09/19 00:43:16 |  INFO | ActiveMQ JMS Message
Broker (broker, ID:mqbroker02-57219-1348015392398-0:1) started
INFO   | jvm 1    | 2012/09/19 00:43:21 |  WARN | Duplicate message add
attempt rejected. Destination: com.fitbit.queue.mixpanelNotification,
Message id: ID:app4.fit
bit.com-56277-1348008881548-5:2:5273:1:1
INFO   | jvm 1    | 2012/09/19 00:43:26 |  WARN | Duplicate message add
attempt rejected. Destination: com.fitbit.queue.timedData, Message id:
ID:app7.fitbit.com-451
37-1348003510612-5:2:1381:1:1
INFO   | jvm 1    | 2012/09/19 00:43:31 |  WARN | Duplicate message add
attempt rejected. Destination: com.fitbit.queue.timedData, Message id:
ID:app11-46276-1348004
200281-5:2:3293:1:1
INFO   | jvm 1    | 2012/09/19 00:43:32 |  WARN | Duplicate message add
attempt rejected. Destination: com.fitbit.queue.mixpanelNotification,
Message id: ID:app10.fi
tbit.com-49543-1348009973081-5:2:8111:1:1
INFO   | jvm 1    | 2012/09/19 00:43:33 |  WARN | Duplicate message add
attempt rejected. Destination: com.fitbit.queue.timedData, Message id:
ID:app12-47368-1348010
402189-5:2:6151:1:1
INFO   | jvm 1    | 2012/09/19 00:43:35 |  WARN | Duplicate message add
attempt rejected. Destination: com.fitbit.queue.mixpanelNotification,
Message id: ID:app3.fit
bit.com-33478-1348008694249-5:2:5384:1:1
INFO   | jvm 1    | 2012/09/19 00:46:53 | ERROR |
org.apache.activemq.broker.region.cursors.QueueStorePrefetch@2f012501:com.fitbit.queue.timedData,batchResetNeeded=f
alse,storeHasMessages=true,size=4,cacheEnabled=false - Failed to fill batch
INFO   | jvm 1    | 2012/09/19 00:46:53 | java.lang.ClassCastException:
org.apache.activemq.store.kahadb.data.KahaTraceCommand cannot be cast to
org.apache.activemq.
store.kahadb.data.KahaAddMessageCommand
INFO   | jvm 1    | 2012/09/19 00:46:53 |       at
org.apache.activemq.store.kahadb.KahaDBStore.loadMessage(KahaDBStore.java:1015)
INFO   | jvm 1    | 2012/09/19 00:46:53 |       at
org.apache.activemq.store.kahadb.KahaDBStore$KahaDBMessageStore$4.execute(KahaDBStore.java:556)
INFO   | jvm 1    | 2012/09/19 00:46:53 |       at
org.apache.kahadb.page.Transaction.execute(Transaction.java:769)
INFO   | jvm 1    | 2012/09/19 00:46:53 |       at
org.apache.activemq.store.kahadb.KahaDBStore$KahaDBMessageStore.recoverNextMessages(KahaDBStore.java:545)
INFO   | jvm 1    | 2012/09/19 00:46:53 |       at
org.apache.activemq.store.ProxyMessageStore.recoverNextMessages(ProxyMessageStore.java:106)
INFO   | jvm 1    | 2012/09/19 00:46:53 |       at
org.apache.activemq.broker.region.cursors.QueueStorePrefetch.doFillBatch(QueueStorePrefetch.java:97)
INFO   | jvm 1    | 2012/09/19 00:46:53 |       at
org.apache.activemq.broker.region.cursors.AbstractStoreCursor.fillBatch(AbstractStoreCursor.java:277)
INFO   | jvm 1    | 2012/09/19 00:46:53 |       at
org.apache.activemq.broker.region.cursors.AbstractStoreCursor.reset(AbstractStoreCursor.java:113)
INFO   | jvm 1    | 2012/09/19 00:46:53 |       at
org.apache.activemq.broker.region.cursors.StoreQueueCursor.reset(StoreQueueCursor.java:157)
INFO   | jvm 1    | 2012/09/19 00:46:53 |       at
org.apache.activemq.broker.region.Queue.doPageInForDispatch(Queue.java:1766)
INFO   | jvm 1    | 2012/09/19 00:46:53 |       at
org.apache.activemq.broker.region.Queue.pageInMessages(Queue.java:1995)
INFO   | jvm 1    | 2012/09/19 00:46:53 |       at
org.apache.activemq.broker.region.Queue.iterate(Queue.java:1488)
INFO   | jvm 1    | 2012/09/19 00:46:53 |       at
org.apache.activemq.thread.DedicatedTaskRunner.runTask(DedicatedTaskRunner.java:98)
INFO   | jvm 1    | 2012/09/19 00:46:53 |       at
org.apache.activemq.thread.DedicatedTaskRunner$1.run(DedicatedTaskRunner.java:36)
INFO   | jvm 1    | 2012/09/19 00:46:53 | ERROR |
org.apache.activemq.broker.region.cursors.QueueStorePrefetch@2f012501:com.fitbit.queue.timedData,batchResetNeeded=f
alse,storeHasMessages=true,size=4,cacheEnabled=false - Failed to fill batch
INFO   | jvm 1    | 2012/09/19 00:46:53 | java.lang.RuntimeException:
java.lang.ClassCastException:
org.apache.activemq.store.kahadb.data.KahaTraceCommand cannot be 
cast to org.apache.activemq.store.kahadb.data.KahaAddMessageCommand
INFO   | jvm 1    | 2012/09/19 00:46:53 |       at
org.apache.activemq.broker.region.cursors.AbstractStoreCursor.fillBatch(AbstractStoreCursor.java:280)
INFO   | jvm 1    | 2012/09/19 00:46:53 |       at
org.apache.activemq.broker.region.cursors.AbstractStoreCursor.reset(AbstractStoreCursor.java:113)
INFO   | jvm 1    | 2012/09/19 00:46:53 |       at
org.apache.activemq.broker.region.cursors.StoreQueueCursor.reset(StoreQueueCursor.java:157)
INFO   | jvm 1    | 2012/09/19 00:46:53 |       at
org.apache.activemq.broker.region.Queue.doPageInForDispatch(Queue.java:1766)
INFO   | jvm 1    | 2012/09/19 00:46:53 |       at
org.apache.activemq.broker.region.Queue.pageInMessages(Queue.java:1995)
INFO   | jvm 1    | 2012/09/19 00:46:53 |       at
org.apache.activemq.broker.region.Queue.iterate(Queue.java:1488)
INFO   | jvm 1    | 2012/09/19 00:46:53 |       at
org.apache.activemq.thread.DedicatedTaskRunner.runTask(DedicatedTaskRunner.java:98)
INFO   | jvm 1    | 2012/09/19 00:46:53 |       at
org.apache.activemq.thread.DedicatedTaskRunner$1.run(DedicatedTaskRunner.java:36)
INFO   | jvm 1    | 2012/09/19 00:46:53 | Caused by:
java.lang.ClassCastException:
org.apache.activemq.store.kahadb.data.KahaTraceCommand cannot be cast to
org.apach
e.activemq.store.kahadb.data.KahaAddMessageCommand
INFO   | jvm 1    | 2012/09/19 00:46:53 |       at
org.apache.activemq.store.kahadb.KahaDBStore.loadMessage(KahaDBStore.java:1015)
INFO   | jvm 1    | 2012/09/19 00:46:53 |       at
org.apache.activemq.store.kahadb.KahaDBStore$KahaDBMessageStore$4.execute(KahaDBStore.java:556)
INFO   | jvm 1    | 2012/09/19 00:46:53 |       at
org.apache.kahadb.page.Transaction.execute(Transaction.java:769)
INFO   | jvm 1    | 2012/09/19 00:46:53 |       at
org.apache.activemq.store.kahadb.KahaDBStore$KahaDBMessageStore.recoverNextMessages(KahaDBStore.java:545)
INFO   | jvm 1    | 2012/09/19 00:46:53 |       at
org.apache.activemq.store.ProxyMessageStore.recoverNextMessages(ProxyMessageStore.java:106)
INFO   | jvm 1    | 2012/09/19 00:46:53 |       at
org.apache.activemq.broker.region.cursors.QueueStorePrefetch.doFillBatch(QueueStorePrefetch.java:97)
INFO   | jvm 1    | 2012/09/19 00:46:53 |       at
org.apache.activemq.broker.region.cursors.AbstractStoreCursor.fillBatch(AbstractStoreCursor.java:277)
INFO   | jvm 1    | 2012/09/19 00:46:53 |       ... 7 more
INFO   | jvm 1    | 2012/09/19 00:46:53 | ERROR | Failed to page in more
queue messages 
INFO   | jvm 1    | 2012/09/19 00:46:53 | java.lang.RuntimeException:
java.lang.RuntimeException: java.lang.ClassCastException:
org.apache.activemq.store.kahadb.data.KahaTraceCommand cannot be cast to
org.apache.activemq.store.kahadb.data.KahaAddMessageCommand
INFO   | jvm 1    | 2012/09/19 00:46:53 |       at
org.apache.activemq.broker.region.cursors.AbstractStoreCursor.reset(AbstractStoreCursor.java:116)
INFO   | jvm 1    | 2012/09/19 00:46:53 |       at
org.apache.activemq.broker.region.cursors.StoreQueueCursor.reset(StoreQueueCursor.java:157)
INFO   | jvm 1    | 2012/09/19 00:46:53 |       at
org.apache.activemq.broker.region.Queue.doPageInForDispatch(Queue.java:1766)
INFO   | jvm 1    | 2012/09/19 00:46:53 |       at
org.apache.activemq.broker.region.Queue.pageInMessages(Queue.java:1995)
INFO   | jvm 1    | 2012/09/19 00:46:53 |       at
org.apache.activemq.broker.region.Queue.iterate(Queue.java:1488)
INFO   | jvm 1    | 2012/09/19 00:46:53 |       at
org.apache.activemq.thread.DedicatedTaskRunner.runTask(DedicatedTaskRunner.java:98)
INFO   | jvm 1    | 2012/09/19 00:46:53 |       at
org.apache.activemq.thread.DedicatedTaskRunner$1.run(DedicatedTaskRunner.java:36)
INFO   | jvm 1    | 2012/09/19 00:46:53 | Caused by:
java.lang.RuntimeException: java.lang.ClassCastException:
org.apache.activemq.store.kahadb.data.KahaTraceCommand cannot be cast to
org.apache.activemq.store.kahadb.data.KahaAddMessageCommand
INFO   | jvm 1    | 2012/09/19 00:46:53 |       at
org.apache.activemq.broker.region.cursors.AbstractStoreCursor.fillBatch(AbstractStoreCursor.java:280)
INFO   | jvm 1    | 2012/09/19 00:46:53 |       at
org.apache.activemq.broker.region.cursors.AbstractStoreCursor.reset(AbstractStoreCursor.java:113)
INFO   | jvm 1    | 2012/09/19 00:46:53 |       ... 6 more
INFO   | jvm 1    | 2012/09/19 00:46:53 | Caused by:
java.lang.ClassCastException:
org.apache.activemq.store.kahadb.data.KahaTraceCommand cannot be cast to
org.apache.activemq.store.kahadb.data.KahaAddMessageCommand
INFO   | jvm 1    | 2012/09/19 00:46:53 |       at
org.apache.activemq.store.kahadb.KahaDBStore.loadMessage(KahaDBStore.java:1015)
INFO   | jvm 1    | 2012/09/19 00:46:53 |       at
org.apache.activemq.store.kahadb.KahaDBStore$KahaDBMessageStore$4.execute(KahaDBStore.java:556)
INFO   | jvm 1    | 2012/09/19 00:46:53 |       at
org.apache.kahadb.page.Transaction.execute(Transaction.java:769)
INFO   | jvm 1    | 2012/09/19 00:46:53 |       at
org.apache.activemq.store.kahadb.KahaDBStore$KahaDBMessageStore.recoverNextMessages(KahaDBStore.java:545)
INFO   | jvm 1    | 2012/09/19 00:46:53 |       at
org.apache.activemq.store.ProxyMessageStore.recoverNextMessages(ProxyMessageStore.java:106)
INFO   | jvm 1    | 2012/09/19 00:46:53 |       at
org.apache.activemq.broker.region.cursors.QueueStorePrefetch.doFillBatch(QueueStorePrefetch.java:97)
INFO   | jvm 1    | 2012/09/19 00:46:53 |       at
org.apache.activemq.broker.region.cursors.AbstractStoreCursor.fillBatch(AbstractStoreCursor.java:277)
INFO   | jvm 1    | 2012/09/19 00:46:53 |       ... 7 more

This persistent stand alone broker has messages coming form embedded brokers
and directly connected consumers. The message producing embedded brokers are
still flowing to the stand alone broker, I can see the size of the queue
grow but the consumers (I have 20 threads) are not getting any messages nor 
throwing any exceptions.

Some help would be really appreciated.



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