HTTP状态500-类型异常报告消息描述服务器遇到内部错误()，导致服务器无法满足此请求. [英] HTTP Status 500 - type Exception report message description The server encountered an internal error () that prevented it from fulfilling this request.

问题描述

你好朋友

我是netbeans servlet编程的新手. 现在我正在开发一个从android模拟器接收文本数据的项目.
在服务器端，发生了如下所示的错误........
请帮我...

hello friends

i m a newbie in netbeans servlet programming.
now i m developing a project that receive text data from android emulator.
in the server side there s an error occured that looks like this........
plz help me...

HTTP Status 500 -

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 /inbox.jsp at line 66

63: <tr>
64: <td width=128 height="247" align=top><table width=98% height="84" border=0 cellpadding=2 cellspacing=0 class=m>
65:
66:         <td width="96%" height="82" bgcolor="#C3D9FF"><h3><b>Inbox(<%=res.size()%>)</b></h3>
67:         <td width="4%">
68:       <tr>
69:         <td height=2>


Stacktrace:
    org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:568)
    org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:470)
    org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390)
    org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:722)

root cause

java.lang.NullPointerException
    org.apache.jsp.inbox_jsp._jspService(inbox_jsp.java:136)
    org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
    org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:432)
    org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390)
    org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:722)

note The full stack trace of the root cause is available in the Apache Tomcat/7.0.26 logs.

推荐答案

Line中有未初始化的值"inbox_jsp.java"类的136.

检查一个.

There is a non initialized value in Line 136 of the class "inbox_jsp.java".

Check that one.

这篇关于HTTP状态500-类型异常报告消息描述服务器遇到内部错误()，导致服务器无法满足此请求.的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！