I'm getting the following error when deploying from JBPM eclipse interface to alfresco. This happens when I select 'classes and resources to include in process archive', like 'src/main/java' etc.

Exception happened while deploying
java.lang.NullPointerException
at org.jbpm.gd.jpdl.util.ProcessDeployer.addClassOrResource(Unknown Source)

It was working perfectly, just stopped working suddenly. Any clues? Thanks.

PS-I've checked all other discussions related to this error, but none solve my problem.