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From aalok singhvi <>
Subject Re: WELCOME to
Date Sun, 14 Jun 2015 17:31:03 GMT
at sun.reflect.GeneratedMethodAccessor6.invoke( Unknown Source)

Apache ant 1.7.0

As soon as build is done the main build file sets the classpath which
includes certain jars.
Know what I am trying to do is before even importing those jars i am trying
to check if they were present in the project folder or not.
If they were delete them and copy newer version from a FTP location and
then set the classpath. I hope this makes sense.

Can you suggest a work around.

On Sun, Jun 14, 2015 at 1:08 PM, Stefan Bodewig <> wrote:

> [please don't drop the user list from replies]
> On 2015-06-14, aalok singhvi wrote:
> > When i use verbose to print errors.... its gives certain info as
> follows...
> > It errors out on ant taskdef delete handle
> > line 720, 769 765 and 586.
> It owuld be better if you could paste the full stack trace - and even
> more important - tell us the exact version of Ant you are using (output
> of "ant -version")
> > I am on Win7.
> On Windows files may be locked by processes that have opened it - which
> includes Ant itself, so this means you may run into trouble of you try
> to remove something that has been touched by Ant before.
> > I am deleting this file before it is copied over to the project and used
> in
> > classpath.
> If it was part of your CLASSPATH environment variable, Java would load
> it when starting Ant and there is no chance for Ant to remove it.
> I'm not sure how you copy the file after you've deleted it :-)
> If you copy the file (using Ant) before trying to delete it, the file
> may still be considered open by Windows.  This is a known problem and
> Ant tries to work around it by registering the file as "deleteOnExit".
> Even with 1.7.0 you should see a message about "This attempts to delete
> the file when the Ant jvm has exited and might not succeed" in this
> case.
> Stefan
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Aalok Singhvi

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