救命啊，一个菜鸟的求救信（内详）__java_apache_service_tomcat_0002_

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救命啊，一个菜鸟的求救信（内详）

来源: 互联网发布时间：2015-02-01

本文导语: 各位大虾：我是一个JSP菜鸟，由于公司业务，老板赶鸭子上架让我学Jsp,我的环境是:jbuilder+tomcat,想访问oracle数据库，却总出现如下错误： Error: 500 Location: /fdc/querywb/src/querywb/querywb.jspInternal Servlet Error:javax.ser...

各位大虾：
    我是一个JSP菜鸟，由于公司业务，老板赶鸭子上架让我学Jsp,我的环境是:jbuilder+tomcat,想访问oracle数据库，却总出现如下错误：

Error: 500 Location: /fdc/querywb/src/querywb/querywb.jspInternal Servlet Error:javax.servlet.ServletException
at org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:459)
at querywb.src.querywb._0002fquerywb_0002fsrc_0002fquerywb_0002fquerywb_0002ejspquerywb_jsp_41._jspService(_0002fquerywb_0002fsrc_0002fquerywb_0002fquerywb_0002ejspquerywb_jsp_41.java:108)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:119)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at org.apache.jasper.servlet.JspServlet$JspServletWrapper.service(JspServlet.java:177)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:318)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:391)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at org.apache.tomcat.core.ServletWrapper.doService(ServletWrapper.java:404)
at org.apache.tomcat.core.Handler.service(Handler.java:286)
at org.apache.tomcat.core.ServletWrapper.service(ServletWrapper.java:372)
at org.apache.tomcat.core.ContextManager.internalService(ContextManager.java:797)
at org.apache.tomcat.core.ContextManager.service(ContextManager.java:743)
at org.apache.tomcat.service.http.HttpConnectionHandler.processConnection(HttpConnectionHandler.java:210)
at org.apache.tomcat.service.TcpWorkerThread.runIt(PoolTcpEndpoint.java:416)
at org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java:498)
at java.lang.Thread.run(Thread.java:484)

Root cause: java.lang.NullPointerException
at querywb.src.querywb._0002fquerywb_0002fsrc_0002fquerywb_0002fquerywb_0002ejspquerywb_jsp_41._jspService(_0002fquerywb_0002fsrc_0002fquerywb_0002fquerywb_0002ejspquerywb_jsp_41.java:96)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:119)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at org.apache.jasper.servlet.JspServlet$JspServletWrapper.service(JspServlet.java:177)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:318)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:391)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at org.apache.tomcat.core.ServletWrapper.doService(ServletWrapper.java:404)
at org.apache.tomcat.core.Handler.service(Handler.java:286)
at org.apache.tomcat.core.ServletWrapper.service(ServletWrapper.java:372)
at org.apache.tomcat.core.ContextManager.internalService(ContextManager.java:797)
at org.apache.tomcat.core.ContextManager.service(ContextManager.java:743)
at org.apache.tomcat.service.http.HttpConnectionHandler.processConnection(HttpConnectionHandler.java:210)
at org.apache.tomcat.service.TcpWorkerThread.runIt(PoolTcpEndpoint.java:416)
at org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java:498)
at java.lang.Thread.run(Thread.java:484)

不知什么原因啊，是我的配置不正确，还怎么的，，，
需要不需要原程序，以作分析？？？
要的话，我贴上来啊，，，

   此致
敬礼

                                                一只菜鸟
                                                   2001-9-8 22:05

这是内部错误，原因也说不清楚，我也经常遇到，有可能就是字母写错，或是少写符号造成的。

贴上源码来！！

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