Communications link failure

[Yule-Momoko]

1、bug描述 简单清晰描述下bug现象.

2、版本号(非常重要) v 1.6.7.4

3、相关表的配置信息 schema.xml (需包含表的配置信息，mysql的连接驱动是JDBC还是native方式) rule.xml (涉及到的路由函数) server.xml(可选)

4、操作步骤 Often an error: The last packet successfully received from the server was 569 milliseconds ago. The last packet sent successfully to the server was 569 milliseconds ago. stack:

5、期望结果 A clear and concise description of what you expected to happen.

6、实际结果 A clear and concise description of what actually happened.

7、额外信息 Add any other context about the problem here.

[junwen12221]

客户端添加自动重连属性看看