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From Peter Reilly <peterrei...@apache.org>
Subject Re: Custom Tasks/Types in 1.6.2
Date Tue, 09 Nov 2004 10:18:11 GMT
It looks like the namespace has not been set for the unknownelement.

Can you provide a zip or tar file containing a build.xml, and java code
for the task to show the problem.

Peter

Ben Edwards wrote:

>Specifically, I provide the following taskdef:
>
><taskdef 
>   name="filelister" 
>   classname="antTest.FileListerTask"
>/>
>
>And then use it:
>
><filelister>
>   <fileset dir="antWorkspace" includes="**/*" />
></filelister>
>
>And I get a NullPointerException when using Ant 1.6.2, but 
>things work fine when using 1.6.0.  I'm running the program 
>from Eclipse 3.0.  The antTest.FileListerTask is in the 
>project's classpath.
>
>Stack trace follows...
>
>	at org.apache.tools.ant.Task.perform(Task.java:373)
>	at org.apache.tools.ant.Target.execute
>(Target.java:341)
>	at org.apache.tools.ant.Target.performTasks
>(Target.java:369)
>	at org.apache.tools.ant.Project.executeTarget
>(Project.java:1214)
>...
>Caused by: java.lang.NullPointerException
>	at 
>org.apache.tools.ant.IntrospectionHelper.supportsNestedElemen
>t(IntrospectionHelper.java:767)
>	at org.apache.tools.ant.UnknownElement.handleChild
>(UnknownElement.java:539)
>	at org.apache.tools.ant.UnknownElement.handleChildren
>(UnknownElement.java:326)
>	at org.apache.tools.ant.UnknownElement.configure
>(UnknownElement.java:182)
>	at org.apache.tools.ant.UnknownElement.maybeConfigure
>(UnknownElement.java:158)
>	at org.apache.tools.ant.Task.perform(Task.java:363)
>	... 5 more
>
>Thanks...
>
>
>
>---- Original message ----
>  
>
>>Date: Mon, 8 Nov 2004 14:10:34 -0500
>>From: Ben Edwards <ben@ben-edwards.com>  
>>Subject: Custom Tasks/Types in 1.6.2  
>>To: user@ant.apache.org
>>
>>
>>I'm trying to run Ant from within Java.  I've used code 
>>similar to that in org.apache.tools.ant.Main and things 
>>worked fine in 1.6.0, but then break in 1.6.2.  
>>
>>I think it has something to do with class-loading/namespace 
>>stuff, but I can't find any good documentation or anyone 
>>who's encountered a similar problem.
>>
>>Can anyone point me to good documentation on class-loading 
>>and namespace changes in 1.6.2?
>>
>>------------------------------------------------------------
>>    
>>
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>  
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>>
>
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>
>  
>


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