javaweb项目启动后一两分钟druid报错 连接关闭

javaweb项目启动后一两分钟druid报错 连接关闭
java.sql.SQLException: connection closed
at com.alibaba.druid.pool.DruidPooledConnection.checkStateInternal(DruidPooledConnection.java:1163)
at com.alibaba.druid.pool.DruidPooledConnection.checkState(DruidPooledConnection.java:1154)
at com.alibaba.druid.pool.DruidPooledConnection.prepareStatement(DruidPooledConnection.java:337)

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而且感觉数据库连接池配置下面三个属性没有起作用

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一般是没有问题的,看看是不是数据库有什么设置问题?