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From: Antoine Levy Lambert <antoine@gmx.de>
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Subject: Re: How to debug ant source inside RAD / Eclipse
Date: Mon, 21 Jan 2013 16:09:34 -0500
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If you want to debug the source code of Ant or of custom Ant tasks that =
you develop and you are using Eclipse or RAD. here is what you can do.

Ant can be started as an "External Tool". In the External Tools =
Conifgurations dialog box, you can create an "Ant Build" build =
configuration, selecting the build file that you want to run and the =
target.=20

In order to be able to debug the source code of Ant or of your custom =
tasks, you want to open the JRE tab and enter VM arguments, for instance =
these :  -Xdebug =
-agentlib:jdwp=3Dtransport=3Ddt_socket,server=3Dy,suspend=3Dy,address=3D80=
00

The suspend=3Dy option in the VM arguments means that the Ant VM will =
wait on you starting debugging to run.

You then create in the menu Run/Debug a debug configuration using the =
same port 8000. See for instance this link [1]  or [2] concerning remote =
debugging. You will want to create an Eclipse project "Ant" inside =
Eclipse and put this project on the class path of your debug =
configuration so that you can put breakpoints inside the code of Ant and =
actually hit these breakpoints.

Once you have setup both your external tool configuration and the remote =
java debug configuration, you need to first kick off the external tool =
configuration. Because of "suspend=3Dy" it is going to hang for a short =
time until you activate the "remote" debugging configuration. Once the =
remote debugging configuration is started and you see the message saying =
something like VM connected on port 8000 you will be able to debug the =
code of Ant.

Eclipse can also debug Ant build files since Eclipse 3.1 according to =
this document [3].  Which links also to this one [4] titled "Make Ant =
easy with Eclipse"


Regards,

Antoine

[1] =
http://www.ibm.com/developerworks/java/library/os-eclipse-javadebug/index.=
html
[2] =
http://javarevisited.blogspot.com/2011/02/how-to-setup-remote-debugging-in=
.html
[3] http://www.eclipsezone.com/eclipse/forums/t71656.html
[4] =
http://www.ibm.com/developerworks/opensource/tutorials/os-ecl-easyant/


On Jan 20, 2013, at 6:29 PM, WebServices Development wrote:

> Is there a way to debug ANT source by using it to build inside =
Rational Application Developer ( RAD ) or Eclipse?
>=20
> I have downloaded the ANT 1.8.4 source and did a build in RAD using =
the build.xml which created the ant jar files.  I then tried to create a =
launcher using these built jar files, but I am unable to put a =
breakpoint in them.  Ami missing something or am I going about it the =
wrong way?
>=20
> Is there a way to run an ANT build in RAD using these ANT jar files =
and set a break-point?
>=20
> Thank you.
>=20
>=20


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