public void handleException(TaskCommand<String,String> taskCommand, Exception exception){
		try {
			exception(taskCommand, exception);
		}
		catch (Exception e){
			logger.warn("Handle Task Exception failed:",e);
		}
	}
public void handleException ( TaskCommand < String , String > taskCommand , Exception exception ) { try { exception ( taskCommand , exception ) ; } catch ( Exception e ) { logger . warn ( "Handle Task Exception failed:" , e ) ; } }
处理导入数据结果，如果失败则可以通过重试失败数据
@param taskCommand
@param exception