Mysql No operations allowed after connection closed
问题 Mysql服务器默认的“wait_timeout”是8小时，也就是说一个connection空闲超过8个小时，Mysql将自动断开该connection。 可以用show global ...
花费 5 ms
Mysql Cannot get a connection, pool error Timeout waiting for idle object
问题 Cannot get a connection, pool error Timeout waiting for idle object 原因 db.properties中配置的maxW ...