code: public void onJdbcTaskExecutionThrowableEvent(
  			JdbcTaskExecutionThrowableEvent event, ActivityContextInterface aci) {
  		if (tracer.isWarningEnabled()) {
  			tracer.warning(
  					"Received a JdbcTaskExecutionThrowableEvent, as result of executed task "
  							+ event.getTask(), event.getThrowable());
  		}
  		// end jdbc activity
  		final JdbcActivity activity = (JdbcActivity) aci.getActivity();
  		activity.endActivity();
  		// call back parent
  		final DataSourceParentSbbLocalInterface parent = (DataSourceParentSbbLocalInterface) sbbContextExt
  				.getSbbLocalObject().getParent();
  		final DataSourceJdbcTask jdbcTask = (DataSourceJdbcTask) event
  				.getTask();
  		jdbcTask.callBackParentOnException(parent);
  	}
docs: Event handler for {@link JdbcTaskExecutionThrowableEvent}.
  
  @param event
  @param aci