• 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
  • Tim Cooke
  • Liutauras Vilda
  • Jeanne Boyarsky
  • paul wheaton
Sheriffs:
  • Ron McLeod
  • Devaka Cooray
  • Henry Wong
Saloon Keepers:
  • Tim Holloway
  • Stephan van Hulst
  • Carey Brown
  • Tim Moores
  • Mikalai Zaikin
Bartenders:
  • Frits Walraven

Error 500 hello tag example....from book JSP_J2EE

 
Greenhorn
Posts: 16
  • Mark post as helpful
  • send pies
    Number of slices to send:
    Optional 'thank-you' note:
  • Quote
  • Report post to moderator
Hi Guys,
I'm getting Error 500 Unable to load class null
I have checked all directories and it looks OK,and tag libraries...!...
Can sombody help me?
Thanks Igor.
Error: 500
Location: /tagext/hello.jsp
Internal Servlet Error:
org.apache.jasper.JasperException: Unable to load class null
at org.apache.jasper.compiler.TagBeginGenerator.init(TagBeginGenerator.java:121)

from LOG:
Sun Oct 26 14:56:17 EST 2003 Scratch dir for the JSP engine is: D:\jakarta-tomcat\work\localhost_8080%2Ftagext</JASPER_LOG>
<JASPER_LOG> Sun Oct 26 14:56:17 EST 2003 IMPORTANT: Do not modify the generated servlets</JASPER_LOG>
<JASPER_LOG> Sun Oct 26 14:56:32 EST 2003 JspEngine --> /hello.jsp</JASPER_LOG>
<JASPER_LOG> Sun Oct 26 14:56:32 EST 2003 ServletPath: /hello.jsp</JASPER_LOG>
<JASPER_LOG> Sun Oct 26 14:56:32 EST 2003 PathInfo: null</JASPER_LOG>
<JASPER_LOG> Sun Oct 26 14:56:32 EST 2003 RealPath: E:\_Igor\JAVA_book_code\PJ2EE_edition\PSP_J2EE\hello\hello.jsp</JASPER_LOG>
<JASPER_LOG> Sun Oct 26 14:56:32 EST 2003 RequestURI: /tagext/hello.jsp</JASPER_LOG>
<JASPER_LOG> Sun Oct 26 14:56:32 EST 2003 QueryString: null</JASPER_LOG>
<JASPER_LOG> Sun Oct 26 14:56:32 EST 2003 Request Params: </JASPER_LOG>
<JASPER_LOG> Sun Oct 26 14:56:32 EST 2003 Classpath according to the Servlet Engine is: E:\_Igor\JAVA_book_code\PJ2EE_edition\PSP_J2EE\hello\WEB-INF\classes</JASPER_LOG>
<JASPER_LOG> Sun Oct 26 14:56:33 EST 2003 Warning: Unknown element tlib-version in TLD</JASPER_LOG>
<JASPER_LOG> Sun Oct 26 14:56:33 EST 2003 Warning: Unknown element jsp-version in TLD</JASPER_LOG>
<JASPER_LOG> Sun Oct 26 14:56:33 EST 2003 Warning: Unknown element short-name in TLD</JASPER_LOG>
<JASPER_LOG> Sun Oct 26 14:56:33 EST 2003 Warning: Unknown element description in TLD</JASPER_LOG>
<JASPER_LOG> Sun Oct 26 14:56:33 EST 2003 Warning: Unknown element listener in TLD</JASPER_LOG>
<JASPER_LOG> Sun Oct 26 14:56:33 EST 2003 Warning: Unknown element tag-class in tag</JASPER_LOG>
:roll:
 
Happiness is not a goal ... it's a by-product of a life well lived - Eleanor Roosevelt. Tiny ad:
Gift giving made easy with the permaculture playing cards
https://coderanch.com/t/777758/Gift-giving-easy-permaculture-playing
reply
    Bookmark Topic Watch Topic
  • New Topic