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From Conor MacNeill <>
Subject Re: how to run java.exe in the different process (not thread) respectively?
Date Tue, 20 Aug 2002 09:39:49 GMT
suogen wrote:
> Conor,
> Thanks for your suggestion!
> my build.xml as follow:
> <target name="runserver" depends="compile">
>      <java classname="MyServer" fork="yes" failonerror="true">
>       </java>
>  </target>
>  <target name="runclient" depends="compile">
>      <java classname="MyClient" fork="yes" failonerror="true">
>       </java>
>  </target>
> <target name="runall" depends="runserver, runclient" />
> when the server has start, it will block untill the client to connect to it.
> so when i run "runall" target,
> it will be blocked, the client will not run. i want the client and server
> can run in different process (like
> in console to run start ...), how can i achieve it in the ant?

OK, your original use of <parallel> will work. It will create two threads. 
Each of these threads will create a new process (because of the fork="yes") 
and then block until that process terminates.

If you want to use separate consoles, you probably need to use the <exec> 
task to start an OS level script which launches java in a separate window.

Alternatively you can set the taskname

<java taskname="client" ...>

<java taskname="server" ...>

When you do this, output will appear with


allowing you to differentiate between the two processes/threads. Thats what 
I do (I run several weblogic instances and a junit test task in one go).


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