HTTP Status 500 - org apache jasper JasperException java lang NullPointerException

Question

I deployed my project on the production server and getting the below error   It s a live project so   after getting error i replaced this with previous version that was running fine but now that is also throwing the same error Please suggest me what could be the problem    error   HTTP Status 500 - org apache jasper JasperException  java lang NullPointerException  --------------------------------------------------------------------------------  type Exception report  message org apache jasper JasperException  java lang NullPointerException  description The server encountered an internal error that prevented it from fulfilling this request   exception   org apache jasper JasperException  org apache jasper JasperException  java lang NullPointerException     org apache jasper servlet JspServletWrapper handleJspException JspServletWrapper java 502      org apache jasper servlet JspServletWrapper service JspServletWrapper java 412      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   org apache jasper JasperException  java lang NullPointerException     org apache jasper servlet JspServletWrapper handleJspException JspServletWrapper java 502      org apache jasper servlet JspServletWrapper service JspServletWrapper java 430      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      org apache jasper runtime PageContextImpl doForward PageContextImpl java 709      org apache jasper runtime PageContextImpl forward PageContextImpl java 680      org apache jasper runtime PageContextImpl doHandlePageException PageContextImpl java 821      org apache jasper runtime PageContextImpl handlePageException PageContextImpl java 794      org apache jsp LPSSuppIndex jsp  jspService LPSSuppIndex jsp java 393      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 388      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     org apache jsp error jsp  jspService error jsp java 124      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 388      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      org apache jasper runtime PageContextImpl doForward PageContextImpl java 709      org apache jasper runtime PageContextImpl forward PageContextImpl java 680      org apache jasper runtime PageContextImpl doHandlePageException PageContextImpl java 821      org apache jasper runtime PageContextImpl handlePageException PageContextImpl java 794      org apache jsp LPSSuppIndex jsp  jspService LPSSuppIndex jsp java 393      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 388      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 36 logs    --------------------------------------------------------------------------------  Apache Tomcat 6 0 36   IndexPage jsp     lt    page errorPage  error jsp   gt   lt    page import  java util      gt   lt    page import    jdbc RetrieveLangList lang MessageGetter    gt   lt        HashMap lt String  String gt  langListMap   new HashMap lt String  String gt       gt   lt             Retrieving language MAP         RetrieveLangList objList   new RetrieveLangList            langListMap   objList LangList            Set s   langListMap entrySet       Get hashmap in Set interface to get key and value         Iterator it   s iterator       Move next key and value of HashMap by iterator          String suppLang    en US           suppLang   request getParameter  suppLanguage            if  suppLang    null    suppLang equalsIgnoreCase                  suppLang    en US     gt   lt html gt   lt HEAD gt   lt TITLE gt  Welcome to   lt  TITLE gt   lt link rel  SHORTCUT ICON  href  image H ico   gt   lt LINK href  image css Rcontent css  type  text css  rel  stylesheet  gt   lt  HEAD gt   lt script language  JavaScript  gt  function loadPage list      location href list options list selectedIndex  value     lt  script gt   lt SCRIPT language  Javascript  gt      function ValidateForm               Supplier Number Validation     var supp number  document loginForm uname       if  supp number value   su     supp number value   SU                          return true                 var stripped   supp number value replace          -    g            if  supp number value  null    supp number value                         alert   lt   MessageGetter getMessage  lang MessagesBundle   suppLang   Enter User ID    gt             supp number focus            return false                else if  isNaN parseInt stripped              alert   lt   MessageGetter getMessage  lang MessagesBundle   suppLang   Invalid User ID    gt             supp number focus            return false                        Password Validation         var supp pass  document loginForm pass      if  supp pass value  null    supp pass value                         alert   lt   MessageGetter getMessage  lang MessagesBundle   suppLang   Enter Password    gt               alert  Please Enter Password            supp pass focus            return false                return true         lt  SCRIPT gt   lt BODY bgcolor   C7CACF  gt   lt center gt   lt table border    0  bordercolor    black  style  background-image url  image backgroundIndex jpg   background-repeat no-repeat  width  1000  HEIGHT    700   gt   lt tr height    60  gt       lt td gt  amp nbsp  lt  td gt       lt td gt  amp nbsp  lt  td gt       lt td colspan  2  gt       lt form name  form1   gt       lt TABLE border  0  width    610  gt       lt TR gt          lt td width  300  align  right  height  40  gt               lt select name  file  size  1  onchange  loadPage this form elements 0    target   parent  top   onmouseclick  this focus    style  background-color   ffffff width 150px   gt   lt  -- This is language selection box -- gt               lt               while  it hasNext                                  Map Entry m    Map Entry  it next       key value separator this by Map Entry to get key and value                   System out println  value     m getValue     key     m getKey                     if suppLang equals m getKey                                     gt               lt option value  LPSSuppIndex jsp suppLanguage  lt    m getKey    gt   selected  selected  gt  lt    m getValue    gt  lt  option gt               lt                                     else                                 gt               lt option value  LPSSuppIndex jsp suppLanguage  lt    m getKey    gt   gt  lt    m getValue    gt  lt  option gt               lt                                                 gt               lt  select gt            lt  td gt            lt td width    300px  align  right  gt  lt a HREF  mailto  subject  lt   MessageGetter getMessage  lang MessagesBundle   suppLang   sub contact    gt  amp body  lt   MessageGetter getMessage  lang MessagesBundle   suppLang   body line1 contact    gt    0D 0D 0D lt   MessageGetter getMessage  lang MessagesBundle   suppLang   body line2 contact    gt    0D 0D 0D lt   MessageGetter getMessage  lang MessagesBundle   suppLang   body line3 contact    gt  0D 0D 0D  gt  lt font color   73767B  size  2  gt  lt   MessageGetter getMessage  lang MessagesBundle   suppLang   contact    gt  lt  font gt  lt  a gt  lt font color   73767B  gt  lt B gt    lt  B gt  lt  font gt  lt a href  http   www  com en service imprint-legal-issues html  gt  lt font color   73767B  size  2  gt   lt   MessageGetter getMessage  lang MessagesBundle   suppLang   imprint legel issue    gt  lt  font gt  lt  a gt  lt font color   73767B  gt  lt B gt     lt  B gt  lt  font gt  lt a href  http   www  com en service sitemap html  gt  lt font color   73767B  size  2  gt  lt   MessageGetter getMessage  lang MessagesBundle   suppLang   sitemap    gt  lt  font gt  lt  a gt  lt  td gt       lt  TR gt       lt TR height  12px  gt           lt TD colspan  2  gt  amp nbsp  lt  TD gt       lt  TR gt       lt  TABLE gt       lt  form gt       lt  td gt   lt  tr gt    lt tr gt        lt td height    240px  valign  top  gt           lt TABLE border  0  width    195  gt           lt TR gt               lt TD height  40  width  155  align  left  gt  lt div style  position relative left  20px   gt  lt a href  LPSSuppIndex jsp  gt  lt font color   73767B  size  3  gt  lt   MessageGetter getMessage  lang MessagesBundle   suppLang   home    gt  lt  font gt  lt  a gt  lt  div gt  lt  TD gt           lt  TR gt           lt TR gt               lt TD height  37  align  left  gt  lt div style  position relative left  20px   gt  lt A HREF  mailto er Admin de  com subject  lt   MessageGetter getMessage  lang MessagesBundle   suppLang   sub contact    gt  amp body  lt   MessageGetter getMessage  lang MessagesBundle   suppLang   body line1 contact    gt    0D 0D 0D lt   MessageGetter getMessage  lang MessagesBundle   suppLang   body line2 contact    gt    0D 0D 0D lt   MessageGetter getMessage  lang MessagesBundle   suppLang   body line3 contact    gt  0D 0D 0D  gt  lt font color   73767B  gt  lt   MessageGetter getMessage  lang MessagesBundle   suppLang   contact    gt  lt  font gt  lt  a gt  lt  div gt  lt  TD gt           lt  TR gt           lt TR gt               lt TD height  35  align  left  gt  lt div style  position relative left  20px   gt  lt a href  LPSSuppIndex jsp  gt  lt font color   73767B  size  3  gt  lt   MessageGetter getMessage  lang MessagesBundle   suppLang   log in    gt  lt  font gt  lt  a gt  lt  div gt  lt  TD gt           lt  TR gt           lt TR gt               lt TD height  34  align  left  gt  amp nbsp  amp nbsp  amp nbsp  lt a href  http   wwwcom  gt  lt font color  white  style  font-family Arial  Helvetica  sans-serif font-size  10pt  font-weight  bold  gt  lt   MessageGetter getMessage  lang MessagesBundle   suppLang   tportal    gt  lt  font gt  lt  a gt  lt  TD gt           lt  TR gt           lt TR gt               lt TD height    32  align  center  gt  amp nbsp  lt  TD gt           lt  TR gt           lt TR gt               lt TD height    43px  colspan  2  align  center  gt  amp nbsp  lt  TD gt           lt  TR gt            lt  TABLE gt       lt  td gt        lt td colspan  2  gt  amp nbsp  lt  td gt       lt td rowspan  3  valign  top  gt           lt table border  0px   gt               lt tr height  139px  gt  lt td gt  amp nbsp  lt  td gt  lt td gt  amp nbsp  lt  td gt  lt  tr gt               lt tr height  431px  gt                   lt td valign  top  width  8px  gt  lt div class  vertical-line  style  position relative left 27px top 0px   gt  lt  div gt  lt  td gt                   lt td valign  top  gt                       lt  -- START RIGHT CONTENT  -- gt                        lt DIV class  cntr cnt gradbox  style  position  relative left  15px top  -5px   gt                       lt DIV class  cntr head  gt  lt font size  2   gt  lt   MessageGetter getMessage  lang MessagesBundle   suppLang   PDF download    gt  amp nbsp  lt  font gt  lt  DIV gt                       lt DIV class  cntr cnt gradbox inner  gt                           lt DIV class  cntr frame  style  height  60px   gt                               lt DIV style  FLOAT  left height  50px    gt                                   lt IMG src  image PDF Thumbnail 50x50 gif  border  0  gt                               lt  DIV gt                               lt DIV class  cntr dl cnt  style  MARGIN-LEFT  55px   gt                                   lt A class  cntr lnk  href  PDF User Maner EN pdf  target   blank  gt  lt font color   73767B  size  2   gt  lt   MessageGetter getMessage  lang MessagesBundle   suppLang   manual en    gt  lt  font gt  lt  A gt                               lt  DIV gt  amp nbsp                               lt BR class  clr  gt                           lt  DIV gt                           lt BR class  clr  gt                           lt DIV class  cntr frame  style  height  60px   gt                               lt DIV style  FLOAT  left height  50px    gt                                   lt IMG src  image PDF Thumbnail 50x50 gif  border  0  gt                               lt  DIV gt                               lt DIV class  cntr dl cnt  style  MARGIN-LEFT  55px   gt                                   lt A class  cntr lnk  href  PDF Benutzerhl Printer DE pdf  target   blank  gt  lt font color   73767B  size  2   gt  lt   MessageGetter getMessage  lang MessagesBundle   suppLang   manual de    gt  lt  font gt  lt  A gt                               lt  DIV gt  amp nbsp                               lt BR class  clr  gt                           lt  DIV gt                           lt BR class  clr  gt                           lt DIV class  cntr frame  style  height  60px   gt                               lt DIV style  FLOAT  left height  50px    gt                                   lt IMG src  image PDF Thumbnail 50x50 gif  border  0  gt                               lt  DIV gt                               lt DIV class  cntr dl cnt  style  MARGIN-LEFT  55px   gt                                   lt A class  cntr lnk  href  PDF Print Specification pdf  target   blank  title   lt   MessageGetter getMessage  lang MessagesBundle   suppLang   printHelp tip    gt   gt  lt font color   73767B  size  2   gt  lt   MessageGetter getMessage  lang MessagesBundle   suppLang   printHelp    gt  lt  font gt  lt  A gt                               lt  DIV gt                               lt BR class  clr  gt                           lt  DIV gt                           lt DIV class  cntr frame1  style  height  30px   gt                                lt div style  margin-left  30px   gt   lt A class  cntr lnk  href  PDF quick guide en pdf  target   blank  gt  lt font color   73767B  size  2   gt  lt   MessageGetter getMessage  lang MessagesBundle   suppLang   one point lessons    gt  - EN lt  font gt  lt  A gt  lt  div gt                           lt  DIV gt                            lt DIV class  cntr frame1  style  height  30px   gt                                lt div style  margin-left  30px   gt   lt A class  cntr lnk  href  PDF quick guide de pdf  target   blank  gt  lt font color   73767B  size  2   gt  lt   MessageGetter getMessage  lang MessagesBundle   suppLang   one point lessons    gt  - DE lt  font gt  lt  A gt  lt  div gt                           lt  DIV gt                           lt DIV style  height  30px vertical-align  middle   gt                                lt div style  margin-left  30px   gt   lt A class  cntr lnk  href  PDF FAQ pdf  target   blank  gt  lt font color   73767B  size  2   gt FAQ lt  font gt  lt  A gt  lt  div gt                           lt  DIV gt                           lt  DIV gt                       lt  DIV gt                   lt  td gt               lt  tr gt           lt  table gt       lt  td gt   lt  tr gt    lt tr height    210  gt       lt td gt  amp nbsp  lt  td gt        lt td gt  amp nbsp  lt  td gt        lt td gt        lt form method  post  name  loginForm  action    loginServlet  onsubmit  return ValidateForm    gt        lt input type  hidden  name  selectedLang  value   lt   suppLang  gt    gt        lt TABLE border  0  bordercolor  black  width  370  gt        lt tr gt  lt td rowspan  6  width    30  gt  amp nbsp  lt  td gt  lt  tr gt         lt TR height  45  gt           lt td width  110   gt  lt   MessageGetter getMessage  lang MessagesBundle   suppLang   user id    gt     lt  td gt  lt  -- This is Supplier Number User ID  entry field  -- gt        lt td width  230  align  center  gt  lt input type  text  size  25  name  uname  style  border-color   529DFA   maxlength  10  gt  lt  td gt        lt  TR gt        lt TR gt        lt td height  45  gt  lt   MessageGetter getMessage  lang MessagesBundle   suppLang   Password    gt     lt  td gt  lt  -- This is Password entry field  -- gt         lt td align  center  gt  lt input type  password  size  25  name  pass  style  border-color   529DFA   gt  lt  td gt        lt  TR gt        lt TR height  40  gt        lt td gt  amp nbsp  lt  td gt        lt td align   center  height  40  gt  lt A HREF  mailto Printer Admin de h com subject  lt   MessageGetter getMessage  lang MessagesBundle   suppLang   sub forget password    gt  amp body  lt   MessageGetter getMessage  lang MessagesBundle   suppLang   body line1 forget password    gt    0D 0D 0D lt   MessageGetter getMessage  lang MessagesBundle   suppLang   body line2 forget password    gt  0D 0D 0D  gt  lt   MessageGetter getMessage  lang MessagesBundle   suppLang   forget password    gt  lt  A gt       lt  td gt        lt  TR gt        lt TR gt           lt td height  40  align  right  gt  lt input type  Submit  value   lt   MessageGetter getMessage  lang MessagesBundle   suppLang   log in    gt     gt   lt  td gt        lt td align  center  gt  lt input type  button  onClick  location href  register suppRegistration jsp selectedLang  lt   suppLang  gt    value   lt   MessageGetter getMessage  lang MessagesBundle   suppLang   new user    gt     gt  lt  td gt        lt  TR gt        lt  TABLE gt  lt  form gt        lt  td gt   lt  tr gt    lt tr height    114  gt       lt td gt  amp nbsp  lt  td gt       lt td gt  amp nbsp  lt  td gt       lt td gt  amp nbsp  lt  td gt   lt  tr gt    lt tr gt       lt td width    200  gt  amp nbsp  lt  td gt       lt td width  170  gt  amp nbsp  lt  td gt       lt td width  380  gt  amp nbsp  lt  td gt       lt td width  230  align  center  gt  amp nbsp  lt  td gt   lt  tr gt   lt  table gt   lt  center gt   lt  BODY gt   lt  HTML gt

User · Accepted Answer

In Tomcat a  java and  class file will be created for every jsp files with in the application and the same can be found from the path below  Apache-Tomcat work Catalina localhost  ApplicationName  org apache jsp index jsp java  In your case the jsp name is error jsp so the path should be something like below Apache-Tomcat work Catalina localhost  ApplicationName  org apache jsp error jsp java in line no 124 you are trying to access a null object which results in null pointer exception

User · Answer

NullPointerException with JSP can also happen if   A getter returns a non-public inner class   This code will fail if you remove Getters s access modifier or make it private or protected   JAVA   package com myPackage  public class MyClass           Must be public or you will get          org apache jasper JasperException           java lang NullPointerException     public class Getters          public String          myProperty    return my property                      JSP EL can only access functions      private Getters  get      public  Getters  get    return  get         private String      my property       public MyClass String my property           super            this my property      my property           get   new Getters                  JSP   lt    taglib uri     http   java sun com jsp jstl core  prefix  c    gt   lt    page import  com myPackage MyClass    gt   lt       MyClass inst   new MyClass   PROP VALUE         pageContext setAttribute  my inst   inst       gt  lt html lang  en  gt  lt body gt         my inst get   myProperty      lt  body gt  lt  html gt

[java] HTTP Status 500 - org.apache.jasper.JasperException: java.lang.NullPointerException

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