= '' if inputs_num =6: query_param = sys.argv[5] if ak is None or sk is None: print("请依次传入uri、method、ak、sk、query(可选)的值,如python3 app_token_gen.py uri method ak sk query") sys.exit(1) secret = bytes(sk, 'utf-8') signature_message_template = '''%s %s %
场景描述 包含全量迁移/同步的任务,在进行全量迁移时失败,错误日志信息包含“Communications link failure The ...packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server”。 关键词 Communications link failure 可能原因 访问源库或目标库时建立连接失败。