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Editorial Team
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Asked: 2026-05-18T22:19:01+00:00

I have upgraded Windows XP – PC RAM from 1GB to 3GB. Since JVM

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I have upgraded Windows XP – PC RAM from 1GB to 3GB. Since JVM had some problem Eclipse Helios, I had to reinstall it and I did clean installation.

I have installed jdk7( jdk-7-ea-bin-b88-windows-i586-08_apr_2010.exe ).
Now my tomcat( Apache Tomcat Version 6.0.16 ) doesn’t start.
Log says 

java.lang.UnsupportedClassVersionError: 
javax/management/MalformedObjectNameException : 
Unsupported major.minor version 51.3

So I installed latest version of Tomcat i.e. Tomcat-6.0.29. Log says

java.lang.ClassFormatError: 
Incompatible magic value 1853108037 in class file javax/management/MXBean

Thanks a lot for help.

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1 Answer

  1. Editorial Team

    Yeah it looks like Tomcat isn’t compatible with JDK7 This to me says there are bugs

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