HTTP Status 500 - Error

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Hi all ,
how can i fix bellow error :
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:342)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:267)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)

root cause

java.lang.NullPointerException
org.apache.jsp.getdata_005fact_jsp._jspService(getdata_005fact_jsp.java:123)
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/6.0.20 logs.

thank !

Posted 12-Jun-12 1:04am

thuanleminh

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krumia · Answer 1 · 2012-06-12T01:14:00

org.apache.jsp.getdata_005fact_jsp._jspService(getdata_005fact_jsp.java:123)

Looks like you have a NullPointerException from one of your JSPs (I can guess that the name of the page is something like fact.jsp). Try debugging your JSP. Here's how if you don't know: http://www.tutorialspoint.com/jsp/jsp_debugging.htm[^]