Running ant build gives "package org.junit does not exist"

ant, java, junit

Solution

You should add your junit.jar into the classpath definition in your ant file.

There are many way to do it, one example is:

<junit printsummary="yes" haltonfailure="yes">
    <classpath>
        <path refid="your.classpath.refid" />
        <fileset dir="${junit.dir}">
            <include name="**/junit.jar" />
        </fileset>
    </classpath>
    ...
</junit>

See Ant Manual for details on setting up your classpath.

Problem

When I use a Java IDE to build projects (e.g. NetBeans) that have JUnit tests, they compile fine, but when I try to use ant outside of the IDE to run the build script, I get the error "package org.junit does not exist".

Original source