连接数据库时报错,该如何解决?
我用JDBC驱动连接MSSQL数据库,需要的信息我都在WEB-INF下的web.xml中设置好了。
我在启动Tomcat是报了下面的错
java.sql.SQLException: Connection refused: connect
我在web.xml是这样设置的
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE web-app PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN" "http://java.sun.com/dtd/web-app_2_3.dtd">
<web-app>
<display-name>DataAdmin</display-name>
<context-param>
<param-name>DataHost</param-name>
<param-value>localhost</param-value>
<description>datahost</description>
</context-param>
<context-param>
<param-name>DataPort</param-name>
<param-value>1433</param-value>
<description>dataport</description>
</context-param>
<context-param>
<param-name>Data</param-name>
<param-value>data</param-value>
<description>data</description>
</context-param>
<context-param>
<param-name>User</param-name>
<param-value>user</param-value>
<description>user</description>
</context-param>
<context-param>
<param-name>Password</param-name>
<param-value>password</param-value>
<description>password</description>
启动Tomcat之后就报了上面的错误。