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Deploying-Error: Reference runtime.classpath not found

Question asked by emmkeys on Dec 28, 2010
Latest reply on Dec 29, 2010 by frederikheremans1

we tried to build the sample from the activiti screencast w-jax 2010 (
We’ve modeled a process, created a maven project and written the java-classes. The tasks of our model execute the according class. The component-test with JUnit works fine and our classes run as well.
Then we tried to call the process from the activiti-explorer. We build a form and deployed our process (, deploy.jar) with the build.xml to the ant-server. The process is visible in the explorer and when clicking “Start Form” our form appears. But the functions of our classes are not executed (simple System.outs).
In the eclipse ant-window the error-message “Reference classpath not found” is shown (as shown in the picture). Now we don’t know how to handle the error and how to continue. We would appreciate your help.


With friendly greetings