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

Question

I am using jdk 1.5.0_22 and this is set in env variables also. my server also has the same java version.

but still I am getting this error "java.lang.UnsupportedClassVersionError: Bad version number in .class file". Please help.

possible duplicate of java.lang.UnsupportedClassVersionError: Bad version number in .class file? — Joachim Sauer
– Joachim Sauer, Commented Jun 16, 2011 at 9:02
This might be useful stackoverflow.com/questions/2466828/… — Sunil Nadar
– Sunil Nadar, Commented Oct 11, 2012 at 12:23
I found a similar question here [java.lang.UnsupportedClassVersionError: Bad version number in .class file?][1] [1]: stackoverflow.com/questions/2466828/… — Sunil Nadar
– Sunil Nadar, Commented Oct 11, 2012 at 12:26

Michael Borgwardt · Accepted Answer · 2011-06-16 08:43:50Z

3

Are you using any libraries (JAR files)? It could be that those were compiled with Java 6 and thus cannot be run on a Java 5 JVM.

answered Jun 16, 2011 at 8:43

Michael Borgwardt

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