需要在配置文件里加上下面就ok了
<property name=”minEvictableIdleTimeMillis” value=”1800000″ />
<property name=”numTestsPerEvictionRun” value=”3″ />
<property name=”testOnBorrow” value=”true” />
<property name=”testWhileIdle” value=”true” />
<property name=”testOnReturn” value=”true” />
<property name=”validationQuery” value=”SELECT 1″ />
tomcat链接mysql时超时报错java.io.EOFException: Can not read response from server. Expected to read 4 bytes,
原文：https://www.cnblogs.com/fan-yuan/p/9132577.html
