The server encountered an internal error () that prevented it from fulfillin

J2EE 码拜 10年前 (2015-04-07) 1513次浏览 0个评论
 

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 /register.jsp at line 9

6:  if (request.getParameter(“login”) != null) {
7:  String username = request.getParameter(“username”);
8:  String password = request.getParameter(“password”);
9:  float money=Float.parseFloat(request.getParameter(“money”)); 
10:  UsersVo vo = new UsersVo();
11:  vo.setUsername(username);
12:  vo.setPassword(password);

Stacktrace:
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:519)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:428)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)

root cause 

java.lang.NullPointerException
sun.misc.FloatingDecimal.readJavaFormatString(FloatingDecimal.java:991)
java.lang.Float.parseFloat(Float.java:422)
org.apache.jsp.register_jsp._jspService(register_jsp.java:65)
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:386)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)

note The full stack trace of the root cause is available in the Apache Tomcat/6.0.32 logs.

The server encountered an internal error () that prevented it from fulfillin
10分
float money=Float.parseFloat(request.getParameter("money"));
//此处request.getParameter("money") ==null,所以 java.lang.NullPointerException,你 debug看一下是
//不是为空
The server encountered an internal error () that prevented it from fulfillin
1分
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: java.lang.NullPointerException
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:522)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:416)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:337)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)

root cause 

java.lang.NullPointerException
org.apache.jsp.index_jsp._jspService(index_jsp.java:299)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:374)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:337)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)

note The full stack trace of the root cause is available in the Apache Tomcat/6.0.16 logs.

这个怎么解决啊?

The server encountered an internal error () that prevented it from fulfillin
1分
求解,我也遇到这种问题
The server encountered an internal error () that prevented it from fulfillin
8分
register.jsp at line 9
java.lang.NullPointerException,

找关键错误信息,  明显是 Float.parseFloat()的时候报 的错,  
你String moneys=request.getParameter(“money”);

 打印一下moneys 看看 有没有值,

The server encountered an internal error () that prevented it from fulfillin
我也遇到这个问题,我用的是struts2+hibernate做的 jsp项目,你解决这个问题没有,有的话说一声
The server encountered an internal error () that prevented it from fulfillin
引用 7 楼 u010962671 的回复:

我也遇到这个问题,我用的是struts2+hibernate做的 jsp项目,你解决这个问题没有,有的话说一声

解决了么?我也遇到了这个问题,求解啊

The server encountered an internal error () that prevented it from fulfillin
首先用request.getParamseter(“”)获取String类型的值,然后判断是否为null,如果为null,float.parfloat()会报空指针异常和数据转换异常的,要先判断获取的值是否为null
The server encountered an internal error () that prevented it from fulfillin
求解这个类容
The server encountered an internal error () that prevented it from fulfillin
楼主我已经改了密码和用户名了可是还是出现
The server encountered an internal error () that prevented it from fulfillin
求教 求教

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