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From Upayavira ...@odoko.co.uk>
Subject Re: Running Ant from Cocoon Action
Date Fri, 17 Mar 2006 09:05:51 GMT
Pasha Minallah wrote:
> Hi,
> 
> I'm trying to run Ant 1.6.2 from a Cocoon 2.1.7 Action.  I've added ant.jar 
> and ant-launcher.jar to WEB-INF/lib.
> 
> Using org.apache.tools.ant.launch.Launcher in a standalone test case outside 
> of cocoon works fine.  It gives me a ClassCastException when I try to use the 
> same code inside a cocoon action.  Nothing I have tried gets rid of this 
> exception.  Adding the ant jar files to the CLASSPATH environmental variable 
> doesn't help.  Defining the extra-classpath parameter in web.xml doesn't 
> help.
> 
> Using org.apache.tools.ant.Main instead in a standalone test case outside of 
> cocoon works also.  It actually works from the cocoon action BUT it kills 
> cocoon.
> 
> Any hints?

Sounds like something is calling System.exit(), which would be
acceptable for a command line tool. Get the source of the version of ant
you're using and have a look. Maybe you could call the stuff that Main
is calling, rather than using Main directly.

Also, you should ask on the Ant user list about programmatic interfaces
to Ant - they're better people to ask.

> I could try to use org.apache.tools.ant.Main in a separate thread but that 
> doesn't make sense because we need the logic to be synchronous.

System.exit() would still kill it even in a different thread!

Regards, Upayavira


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