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From "Paul, R. Chip" <>
Subject RE: java.lang.NoSuchMethodError: java/lang/ClassLoader.setPackage AssertionStatus(Ljava/lang/String;Z)V
Date Wed, 18 Feb 2004 14:40:56 GMT
Whenever I've seen problems like this it's been related (like Dominique
said) to having either multiple versions of the ant libs or jdk
installations on the class path.

Also, I've been dissapointed with the way most tools bundle their Ant
support.  You may try using a fresh install of ant from outside of WSAD
(i.e. command line) and see if the problem persists.

Chip Paul
Sr Software Engineer
ComFrame Software Corporation

-----Original Message-----
From: priya pallavi [] 
Sent: Tuesday, February 17, 2004 3:50 PM
To: Ant Users List
Subject: RE: java.lang.NoSuchMethodError: java/lang/ClassLoader.setPackage

Thanks for your concern Devienne

Dominique Devienne <> wrote:> From: priya pallavi
> Iam using Jdk 1.4.2 , and Ant 1.4.1 that comes with WSAD 5.1.1
> Dominique Devienne
   wrote:> From: priya pallavi
> []
> > When iam trying to compile the files using build.xml using ANT , iam 
> > getting the followingg exception
> >
> > java.lang.NoSuchMethodError: 
> > java/lang/ClassLoader.setPackageAssertionStatus(Ljava/lang/String;Z)
> > V
> >
> > Any help is much appreciated
> I'd think this is a JDK 1.4+ only method, so normally Ant uses 
> reflection to call it. What JDK are you running with? What version of 
> Ant? --DD

Ah, OK. Newer version of Ant deal with assertions, so could have been the
cause of this error, but Ant 1.4.1 does not, so the problem is probably not
related to Ant, and in any case, you use a JDK which has the missing method,
so it's a weirder classpath issue, probably.

Sorry, don't know what the problem is. Try running from the command line,
checking your classpath, this kind of things. Check you don't have two
version of Ant somehow in your classpath, stuff like that. --DD

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