目录问题现象解决方案现只列举几个重要的参数springboot 配置总结问题现象 com.mysql.jdbc.CommunicationsException: The last packet successfully received from the server was58129 seconds ago.The last packet
目录异常信息原因分析解决总结异常信息 大概意思是连接失败， 当前的connection所进行过的最新请求的时间是大于服务所配置的wait_timeout时间的。
I am developing some JavaScript that should work with either Prototype.js or JQuery, thus I need some way to i开发者_开发知识库dentify what is the primary library in use. How can I do that?You can che
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