Apache ant does not recognize 'for' task/macro, although I have added ant-contrib via taskdef

Question

I am getting following while doing ant build:

Build\\build.xml:247: Problem: failed to create task or type
for
Cause: The name is undefined.
Action: Check th         


        

Answer 1

If you placed the AntContrib jar in $ANT_HOME/lib directory, all you really need to do is this:

Actually to use the task, you need to do this:

Note you have to use antlib.xml and not antcontrib.properties. Read the Installation directions very carefully. It's easy to miss.

If you are doing this in a group project, I recommend that you put your ant-contrib.jar in your project. THen add them to your project in your version control system. That way, other developers can use your build with the ant-contrib tasks without downloading the ant-contrib jar and installing it in their $ANT_HOME directory themselves.

Let's say you create a directory called ant-contrib.dir and put that in the root of your project, then put the ant-contrib jar in that folder. Just put this in your project: