2 Replies Latest reply on Jul 25, 2011 5:48 AM by chengwen

Can I Open Multiple JBoss Instances On One Machine Like This?

chengwen Jul 25, 2011 3:45 AM

Hello, all.

I am using JBOSS 6.0.0.0 Final to configure multiple jboss instances on one machine.

I found it very simple after I followed:

http://community.jboss.org/wiki/ConfiguringMultipleJBossInstancesOnOneMachine

Here is my directory tree:

$JBOSS_HOME
- server

node1
node2
node3
nodeX

I run :

  run.bat -c node1  -b 0.0.0.0 -Djboss.service.binding.set=ports-01
  run.bat -c node2  -b 0.0.0.0 -Djboss.service.binding.set=ports-02 
  run.bat -c node3  -b 0.0.0.0 -Djboss.service.binding.set=ports-03

And then it is OK.

Now, my question is:

Since there is no difference between the content of "node1" and "node2", can I just keep only "node1" in "$JBOSS_HOME/server" and run multiple instance like this:

$JBOSS_HOME
- server
  - node1

  run.bat -c node1  -b 0.0.0.0 -Djboss.service.binding.set=ports-01 
  run.bat -c node1  -b 0.0.0.0 -Djboss.service.binding.set=ports-02 
  run.bat -c node1  -b 0.0.0.0 -Djboss.service.binding.set=ports-03

I tried it and it looks like working fine. But I am not sure about it.

Can I do this? Or did I ignore something that should be noticed ?

Thanks in advance.

1. Re: Can I Open Multiple JBoss Instances On One Machine Like This?

jaikiran Jul 25, 2011 5:20 AM (in response to chengwen)
Wen Cheng wrote:

Now, my question is:
Since there is no difference between the content of "node1" and "node2", can I just keep only "node1" in "$JBOSS_HOME/server" and run multiple instance like this:

$JBOSS_HOME
server
node1

run.bat -c node1 -b 0.0.0.0 -Djboss.service.binding.set=ports-01 run.bat -c node1 -b 0.0.0.0 -Djboss.service.binding.set=ports-02 run.bat -c node1 -b 0.0.0.0 -Djboss.service.binding.set=ports-03

I tried it and it looks like working fine. But I am not sure about it.

Can I do this? Or did I ignore something that should be noticed ?

Thanks in advance.

You'll end up sharing the log, data and tmp directories between multiple JVM instances, which isn't a good thing. You can however specify different log, data and tmp directory for each of these instances by passing the appropriate system properties. Furthermore, you even will end up deploying the same application (from node1/deploy folder) into multiple JVMs. Is that what you want?
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2. Re: Can I Open Multiple JBoss Instances On One Machine Like This?

chengwen Jul 25, 2011 5:48 AM (in response to jaikiran)

Ok, I know it's not a good idea to do that.
I will go back to the "standard“ way.

Thank you, Jaikiran.
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