Set failonerror=false on the parent tasks. Get the return code. If return code
not 0 then call a common target which executes your own personal
"kill-zombie-processes" task and then fails the build using <fail>.
"kill-zombie-processes" kills all possible still running child processes. You
need to know what the process names are. It's different than what you asked for
but it works for me.
My kill target:
<target name="kill-zombie-test-processes">
<if><not><isset property="os_is_unix"/></not>
<then>
<echo message="Killing all existing test
processes..." level="info"/>
<exec executable="taskkill" failonerror="false">
<arg value="/F"/>
<arg value="/T"/>
<arg value="/IM"/>
<arg value="tc.exe"/>
<arg value="/IM"/>
<arg value="analyst.exe"/>
<arg value="/IM"/>
<arg value="grsim.exe"/>
<arg value="/IM"/>
<arg value="CrashSender.exe"/>
<arg value="/IM"/>
<arg value="msiexec.exe"/>
<arg value="/IM"/>
<arg value="AWR_JobScheduler.exe"/>
<arg value="/IM"/>
<arg value="mpiexec.exe"/>
<arg value="/IM"/>
<arg value="svn.exe"/>
</exec>
</then>
</if>
</target>
Replace .exes with your own. This works on windows.
-Adam Bruss
-----Original Message-----
From: Vimil Saju [mailto:[email protected]]
Sent: Tuesday, February 07, 2012 10:11 PM
To: Ant Users List
Subject: Regarding exec task
Hi,
I noticed that on windows, if I use the exec task to run a batch script which
in turn starts other processes then if kill ant then the sub-processes created
by the batch script still continues to run. I did some research on google and
found that the default java implementation of Process.destroy does not kill the
child processes created by a process on windows. I also found that there are
some third party libraries like jvnet that provide the capability of killing
all processes created by a process on windows. So I thought of somehow
extending the 'Execute' class of ant to use the functionality of this 3rd party
library, but I find that its difficult if not impossible to extend this class.
I can't find a way to provide my implementation of Process class that does
something different when its destroy method is called. Other core tasks such as
java task directly create an instance of the 'Execute' class which makes it
difficult to globally change how a
process is destroyed within ant. If anyone can provide some suggestions on how
this can be accomplished I will be very grateful.
Currently the build scripts of my project uses the exec task to run a bunch of
batch scripts in parallel which in turn execute sql scripts by starting off
another process. I have written the ant script such that if any sql scripts
fail then the ant build fails.When the build fails I notice that all the batch
scripts have terminated as expected but the processes spawned by these batch
scripts still continue to run.
Any help is greatly appreciated.
Thanks
Vimil
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