求助！！JSP错误．．．

2009-03-22 01:08:40 268 阅读 AI 写同款 · GEO 优化AI 选题数据监测一键分发 ›

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运行JSP出现下面的错误．．．怎么弄啊要？

HTTP Status 500 -

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type Exception report

message

description The server encountered an internal error () that prevented it from fulfilling this request.

exception

org.apache.jasper.JasperException: An exception occurred processing JSP page /ShowArticleTree.jsp at line 46

43: %>
44:
45: <%
46: Class.forName("com.mysql.jdbc.Driver");
47: String url = "jdbc:mysql://localhost/bbs?user=root&password=root";
48: Connection conn = DriverManager.getConnection(url);
49: Statement stmt = conn.createStatement();

Stacktrace:
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:505)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:398)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:342)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:267)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)

root cause

javax.servlet.ServletException: java.lang.ClassNotFoundException: com.mysql.jdbc.Driver
org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:852)
org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:781)
org.apache.jsp.ShowArticleTree_jsp._jspService(ShowArticleTree_jsp.java:138)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:374)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:342)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:267)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)

root cause

java.lang.ClassNotFoundException: com.mysql.jdbc.Driver
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1387)
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1233)
org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:128)
org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:66)
java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320)
java.lang.Class.forName0(Native Method)
java.lang.Class.forName(Class.java:169)
org.apache.jsp.ShowArticleTree_jsp._jspService(ShowArticleTree_jsp.java:99)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:374)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:342)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:267)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)

note The full stack trace of the root cause is available in the Apache Tomcat/6.0.18 logs.

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Apache Tomcat/6.0.18

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