在myeclipse里，打开tomcat报这样的错，帮忙看下
[02 二月 2012 21:28:45,171] ERROR [main] (JDBCTool.java:73) - org.apache.commons.dbcp.SQLNestedException: Cannot create PoolableConnectionFactory (Io 异常: The Network Adapter could not establish the connection)
org.apache.commons.dbcp.SQLNestedException: Cannot create PoolableConnectionFactory (Io 异常: The Network Adapter could not establish the connection)

[解决办法]
与数据库的连接创建失败
检查一下数据源配置
[解决办法]
PoolableConnectionFactory 这个工厂类有异常，数据库未连接上