\build\build.xml:350: Problem: failed to create task or type foreach

Cause: The name is undefined.

Action: Check the spelling.

Action: Check that any custom tasks/types have been declared.

Action: Check that any <presetdef>/<macrodef> declarations have taken place.

<taskdef resource="net/sf/antcontrib/antlib.xml">

   <classpath>

// 这里改成 ant-contrib 对应的jar包路径

     <pathelement location="/usr/share/java/lib/ant-contrib-version.jar"/>

   </classpath>

</taskdef>