anchor.diff:  
     private Expression dynamicValue;
   
  -  public void notify(ExecutionListenerExecution execution) throws Exception {
  +  public void notify(ExecutionListenerExecution execution) {
       execution.setVariable("var", fixedValue.getValue(execution).toString() +
           dynamicValue.getValue(execution).toString());
     }
  
positive.code: ----
  public class ThrowBpmnErrorDelegate implements JavaDelegate {
  
    public void execute(DelegateExecution execution) throws Exception {
      try {
        executeBusinessLogic();
      } catch (BusinessException e) {
  
negative.code: ----
  public class ExampleExecutionListenerOne implements ExecutionListener {
  
    public void notify(ExecutionListenerExecution execution) {
      execution.setVariable("variableSetInExecutionListener", "firstValue");
      execution.setVariable("eventReceived", execution.getEventName());
    }
  