This is certainly possible and is coverd by our QA test suite (see for example TaskQueryProcessTest). | List<Task> parisTasks = taskService | .createTaskQuery() | .processInstanceId(parisProcessInstance.getId()) | .list(); | How is the process instance created (ie post your createProcessInstance() method)? View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4248347#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...