Can Windows Network Load Balancing(NLB) Service and JGroup

gfzhang Jul 27, 2007 2:30 AM

The two machines (192.168.225.116/117) are configured to load balance the HTTP reqeusts by using Windows 2003's NLB service. The virtual IP exposed by NLB is 192.168.225.48.

The two JBoss 4.0.4 GA servers in all mode are run on this two machines.

We got the a lot of the following error messages displayed in server.log and the JBoss server on 192.168.225.116 is stuck by the messages.

2007-07-26 13:29:37,651 WARN [org.jgroups.protocols.pbcast.GMS] join(192.168.225.116:2899) sent to 192.168.225.48:1095 timed out, retrying

Note that 192.168.225.48 is the virtual IP.

How to solve this issue? How to let JGroup not send messages to 192.168.225.48?

Thanks for your help very much.

1. Re: Can Windows Network Load Balancing(NLB) Service and JGro

manik Jul 30, 2007 7:49 AM (in response to gfzhang)

It seems as though you do have a JGroups instance bound to your virtual IP though. Do you set your bind address on both JBoss AS instances?
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2. Re: Can Windows Network Load Balancing(NLB) Service and JGro

gfzhang Jul 30, 2007 10:28 PM (in response to gfzhang)

Thanks for you remind of me. Using "bind_addr" and "bind_port" solves this issue.

Thanks again.
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