• Post Reply Bookmark Topic Watch Topic
  • New Topic
programming forums Java Mobile Certification Databases Caching Books Engineering Micro Controllers OS Languages Paradigms IDEs Build Tools Frameworks Application Servers Open Source This Site Careers Other Pie Elite all forums
this forum made possible by our volunteer staff, including ...
Marshals:
  • Campbell Ritchie
  • Jeanne Boyarsky
  • Ron McLeod
  • Paul Clapham
  • Liutauras Vilda
Sheriffs:
  • paul wheaton
  • Rob Spoor
  • Devaka Cooray
Saloon Keepers:
  • Stephan van Hulst
  • Tim Holloway
  • Carey Brown
  • Frits Walraven
  • Tim Moores
Bartenders:
  • Mikalai Zaikin

Servlet Exception in converter example in J2EE Tutorial

 
Greenhorn
Posts: 15
  • Mark post as helpful
  • send pies
    Number of slices to send:
    Optional 'thank-you' note:
  • Quote
  • Report post to moderator
Hi, I need help to solve this problem. When I followed the instruction to run converter example in J2EE Tutorial, everything were fine until I enter 100 in the browser. Then I got the following message:
A Servlet Exception Has Occurred
Execption Report:
javax.servlet.ServletException
at org.apache.jasper.runtime.PageContextImp1....
Root Cause:
java.lang.NullPointerException:
at _0002findex_.....
Would you please show me what is the problem if you know what is wrong? Your help is sincerely appreciated.
Kenneth
 
reply
    Bookmark Topic Watch Topic
  • New Topic