Hi,
I'm testing failover situations with JBOSS Messaging server 1.3GA running on
jboss4.2.1GA (got it from branch as it is not yet released, but almost ready
for release) on two node cluster.
I installed clustered jboss messaging server 1.3.0GA using release-admin.xml
build script. And did additionally following changes on both nodes:
1. replaced hsqldb-persistence-service.xml by
clustered-oracle-persistence-service.xml
2. added clustered queue in destination-service.xml:
<mbean code="org.jboss.jms.server.destination.QueueService"
name="jboss.messaging.destination:service=Queue,name=mytestqueue"
xmbean-dd="xmdesc/Queue-xmbean.xml">
<depends
optional-attribute-name="ServerPeer">jboss.messaging:service=ServerPeer
jboss.messaging:service=PostOffice
true
3. changed messagepullpolicy and clusterrouterfactory:
org.jboss.messaging.core.plugin.postoffice.cluster.DefaultMessagePullPolicy
org.jboss.messaging.core.plugin.postoffice.cluster.RoundRobinRouterFactory
4. added attributes for ConnectiontFactory and XAConnectionFactory in
connection-factories-service.xml
true
true
In messaging-service.xml in one node put server peer id to 1 and on another
node to 2.
I started both nodes. Pushed about 1000 JMS messages to the queue.
Deployed MDB which is listening on this queue and doing some staff with JMS
messages.
So far so good.
Messages good spreaded across nodes. After some time I killed one node (will
name it from now as node A).
I saw that messages are now was correctly overtaken by remaining node (node B).
And now I killed node B too. SO no nodes are running.
Then I started node A and it was no messages arriving to my MDB. I checked
database and saw that messages were still there in JBM_MSG table.
Then I started node B and messages started to arrive to both node A and node B
again.
How to avoid situation that existing messages are not delivered to the MDB ?
Is it by design ? or bug ?
Thanks in advance, Ramil
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