anttaskdef

Taskdef fails with error: classname attribute of taskdef element is undefined

I have an Ant buildfile with this line in it: 

<taskdef name="for" classname="net.sf.antcontrib.logic.For" />

The build fails on this line saying: 

classname attribute of taskdef element is undefined

I think this means that Ant cannot find the class file.

Where is Ant looking for this file? Where can I find it to add it to location X?

Solution

  • Q1: Where is ant looking for this file?

    Insert these into your build.xml file: 

    <echo message="ant home is: ${ant.home}"></echo>
<echo message="user home is: ${user.home}"></echo>

    (Source)

    Q2: Where can I find it to add it to location X.

    Enter the class name into http://www.findjar.com/