详细的错误信息!是不是我的环境变量没配好。可我觉的该配的我都配了。高手再指点指点!type Exception report message description The server encountered an internal error () that prevented it from fulfilling this request. exception org.apache.jasper.JasperException: Io 异常: Connection refused(DESCRIPTION=(TMP=)(VSNNUM=135294976)(ERR=12505)(ERROR_STACK=(ERROR=(CODE=12505)(EMFI=4)))) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:254) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:295) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241) at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
我不知道装了没有,怎么看!好象装了!没有的话怎么装??
message
description The server encountered an internal error () that prevented it from fulfilling this request.
exception
org.apache.jasper.JasperException: Io 异常: Connection refused(DESCRIPTION=(TMP=)(VSNNUM=135294976)(ERR=12505)(ERROR_STACK=(ERROR=(CODE=12505)(EMFI=4))))
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:254)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:295)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
走到这一句错的!我在他上面打出来的东西出来了,可下面的没打出来!
2 配置环境变量,在classPath中设置;tomcat\common\lib\classes12.jar;.
3 启动tomcat
4 编写程序如下:
<%@ import="java.sql.*"%>
<%
Class.forName("oracle.jdbc.driver.OracleDriver").newInstance();
String url="jdbc:oracle:thin:@192.168.0.50:1521:lbhwwj";
String uid="lbh1111";
String pwd="lbh1111";
Connection conn= DriverManager.getConnection(url,uid,pwd);
Statement stmt=conn.createStatement();
String sql="select * from lbh_user";
ResultSet rs=stmt.executeQuery(sql);
if(rs.next())
{
out.println(“数据库连接成功!”);
}
else{
out.println("数据库连接失败!");
}
rs.close();
stmt.close();
conn.close();
%>