信息: Tiles definition factory found for request processor ''.
java.sql.SQLException: [Microsoft][SQLServer 2000 Driver for JDBC]Error establis
hing socket.
at com.microsoft.jdbc.base.BaseExceptions.createException(Unknown Source
)
at com.microsoft.jdbc.base.BaseExceptions.getException(Unknown Source)
at com.microsoft.jdbc.base.BaseExceptions.getException(Unknown Source)
at com.microsoft.jdbc.sqlserver.tds.TDSConnection.<init>(Unknown Source)

at com.microsoft.jdbc.sqlserver.SQLServerImplConnection.open(Unknown Sou
rce)

at java.lang.Thread.run(Thread.java:595)
数据库驱动程序注册失败
java.lang.NullPointerException
at XiTongGuanLi.YieWuLuoJiCheng.denlu.getName(denlu.java:44)
at XiTongGuanLi.JieMianCheng.denluAction.execute(denluAction.java:21)
at org.apache.struts.action.RequestProcessor.processActionPerform(Reque
tProcessor.java:484)
at org.apache.struts.action.RequestProcessor.process(RequestProcessor.j
va:274)
at org.apache.struts.action.ActionServlet.process(ActionServlet.java:14
2)
at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:525

而且我的java源文件中连接数据库的ip地址也改了，端口也一样，1433，还是不行

你用的是SQL server2000试着打个SP3补丁试下

打补丁，什么意思，是不是，把那三个.jar文件拷到tomcat和java的相关路径里，

你可以给你的SQL server2000打个叫SP3的补丁,你上网搜下就知道啦

哎 补丁惹得祸

打补丁不是考那三个JAR文件,而是给你的SQLSERVER升级一下,你现在的MSSQL是不支持JDBC直连的,只有打了补丁以后才支持