To run the build.xml file within Eclipse: to run the Mail Task - add activation.jar and mail.jar to Eclipse Preferences -> Ant -> Runtime -> Global Entries if the build.xml javadoc task throws a parse exception add the xalan.jar and xml.serializer.jar to Eclipse Preferences -> Ant -> Runtime -> Global Entries if the build.xml javadoc task fails to find javadoc.exe make sure Eclipse points to a JDK not a JRE under Eclipse Preferences -> Java -> Installed JREs if using Code Coverage within Eclipse the emma.jar needs to be in the classpath for the javadoc task