求助：DBCP borrowObject failed: java.sql.SQLException: Io 异常: The Network Adapter
DBCP borrowObject failed: java.sql.SQLException: Io 异常: The Network Adapter could not establish the connection

Error creating bean with name 'tbp.sys.SessionFactory' defined in ServletContext resource [/WEB-INF/conf/spring/springDataSource.xml]: Invocation of init method failed; nested exception is org.apache.commons.dbcp.DbcpException: java.sql.SQLException: Io 异常: The Network Adapter could not establish the connection

[解决办法]
The Network Adapter could not establish the connection
不能建立链接，检查jar包,URL,帐号,密码。 以及SQL服务是否开启。