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‘java.lang.UnsupportedClassVersionError: Bad version number in .class file’

sathish mssathish
Greenhorn

Joined: Jan 06, 2009
Posts: 4
hi

i have upgrade Tomcat server from 4.1.31 to 6.0.18 and java 5 update 5 to java 5 update 18
while stating the application it show the error message in the catalina log file ‘java.lang.UnsupportedClassVersionError: Bad version number in .class file’

how to solve the above problem.


sathish
Albareto McKenzie
Ranch Hand

Joined: Apr 08, 2009
Posts: 298
Maybe this can help you:

http://forums.sun.com/thread.jspa?threadID=5144147

http://lkamal.blogspot.com/2008/04/javalangunsupportedclassversionerror.html
Bear Bibeault
Author and ninkuma
Marshal

Joined: Jan 10, 2002
Posts: 61301
    
  66

"sathisj java", please check your private messages for an important administrative matter.


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Shashank Rudra
Ranch Hand

Joined: Mar 26, 2009
Posts: 131
Thanks Albareto. You are a life saver man. I was going literally mad over this problem.


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