Session replication using AS7 clustering, S3 PING, Amazon EC2
silverdev Dec 12, 2012 12:32 PMHello all,
I am trying to setup session replication using AS7 clustering, S3 PING and Amazon EC2 for the Seam booking EAR app.
So far, I have managed to get session replication working with two different local servers running on the same network using S3 ping and AS7:
- The S3 bucket is created with two files.
- I can restart one server and continue my browser session.
I am running into a problem when trying to get this same setup running on Amazon EC2. Here's how far I could get on the Amazon cloud:
- I start JBoss using the following command:
standalone.sh -c standalone-ha.xml -Djboss.server.base.dir=standalone -b 10.X.Y.Z -Djboss.default.jgroups.stack=tcp -Djboss.node.name=node1 &
- The S3 bucket is created with two files. Relevant part of standalone-ha.xml:
<protocol type="S3_PING"> <property name="access_key"> xxx </property> <property name="secret_access_key"> xxx </property> <property name="prefix"> jbossas7-s3ping </property> <property name="timeout"> 60000 </property> </protocol>
- JGroups logs says:
09:59:23,254 INFO [org.jboss.as.clustering.jgroups] (ServerService Thread Pool -- 37) JBAS010260: Activating JGroups subsystem.10:00:08,631 INFO [org.infinispan.remoting.transport.jgroups.JGroupsTransport] (pool-15-thread-1) ISPN000078: Starting JGroups Channel 10:00:08,636 DEBUG [org.infinispan.remoting.transport.jgroups.JGroupsTransport] (pool-15-thread-1) New view accepted: [node1/web|0] [node1/web] 10:00:08,636 INFO [org.infinispan.remoting.transport.jgroups.JGroupsTransport] (pool-15-thread-1) ISPN000094: Received new cluster view: [node1/web|0] [node1/web] 10:00:08,637 INFO [org.infinispan.remoting.transport.jgroups.JGroupsTransport] (pool-15-thread-1) ISPN000079: Cache local address is node1/web, physical addresses are [10.194.93.149:7600] 10:00:08,638 DEBUG [org.infinispan.remoting.transport.jgroups.JGroupsTransport] (pool-15-thread-1) Waiting on view being accepted
Note:
- I have opened ICMP,TCP ports for EC2 Security Groups on both EC2 instances
- I have disabled firewall on both instances
- I can telnet from instance to the other on port 7600.
- I have attached my AS7 config.
It seems like the two EC2 instances do not talk to each other. I can't find the following message in the EC2 logs:
[org.jgroups.protocols.FD_SOCK] (Incoming-1,null) VIEW_CHANGE received: [node1/web, node2/web]
Can anyone help?
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standalone-ha.ec2.xml 21.3 KB