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Bad version number in .class file

sameer khazi

Joined: Sep 05, 2008
Posts: 28
Hi all..

Please let me know how to resolve the following error:

i am using jdk 1.6._10 , Tomcat 5.5 ; jstl 1.1.2

The error displayed by Tomcat 5.5 is ..

javax.servlet.ServletException: Bad version number in .class file

Thank you...
Ben Souther

Joined: Dec 11, 2004
Posts: 13410

It sounds like Tomcat is running under a different version of the JVM than what you used to compile your classes.

Tomcat's manager app (under Server Settings) will show you what JVM you're using.

Java API J2EE API Servlet Spec JSP Spec How to ask a question... Simple Servlet Examples jsonf
Vinod K Singh
Ranch Hand

Joined: Sep 30, 2008
Posts: 198
This happens when a class compiled by higher version of Java is run under lower version of JVM.

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subject: Bad version number in .class file