[jboss-user] [jBPM] - Unable to Autowire in AssignmentHandler

package com.tabs.bcrs.bpm.handler; import org.jbpm.api.model.OpenExecution; import org.jbpm.api.task.Assignable; import org.jbpm.api.task.AssignmentHandler; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Component; import com.tabs.bcrs.custombpm.service.BPMCustomService; @Component public class CustomAssignmentHandler implements AssignmentHandler {     @Autowired     BPMCustomService bpmCustomService;     String assignee;     /**      *      */     private static final long serialVersionUID = 7980992364382900445L;     public void assign(Assignable assignable, OpenExecution openExecution)             throws Exception {         System.out.println("Assignee: " + assignee);         //assignable.addCandidateUser("userId");         assignable.addCandidateGroup(assignee);         openExecution.createVariable("node", openExecution.getProcessInstance().getActivity().getName());         bpmCustomService.getTaskListOfSpecificGrp("ChecklistWindowGroup");     }