做任何实验前：
1：检查实验环境，操作系统内核与安装软件的模块是否都互相支持
2：搭建平台时，所需要的软件彼此间是否支持
3：做好1，2节省时间
weblogic8.1.4之前的版本不支持mysql!!!!!!!!!!!!!!!!!!!!!!!
http://e-docs.bea.com/wls/docs81/jdbc/intro.html#1036718
oracle weblogic
Warning! Connectivity to backend database not verified. This is either because required connection pool attributes "TestConnectionsOnReserve" or "TestConnectionsOnRelease" have not been enabled, or an invalid value has been specified for attribute "TestTableName". Please check the server log for more details..
解决办法：
configuration =>connections=>Advanced Options
中的 Test Reserved Connections
Test Released Connections
Test Created Connections
勾选
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