hi, I've tried a different look around for this. viz., Assign all tasks with fork and delete unnecessary tasks with taskService.deleteTask(); But I'm getting error like this: org.jbpm.api.JbpmException: tasks related to an execution must be completed. they cannot just be deleted Conversely javadoc suggests like this: anonymous wrote : /** Deletes the task without completing indicating the reason. Example reasons | * could be: "failed", "error", "exited", "obsolete" or "deleted". | * The history information is kept in the DB. | * The reason ends up as the state in the {@link HistoryActivityInstance}. | * If this task was created in the context of a process execution, | * the execution remains active and the {@link ExecutionService#signalExecutionById(String)} | * is to be given explicitly. */ http://docs.jboss.com/jbpm/v4/javadocs/org/jbpm/api/TaskService.html#dele... Am I'm missing anything ?? View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4263683#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...