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Initially my code was build/compiled using open-jdk7.
But due to some constraints I now have to use open-jdk6 only. So, when I tried compiling my code using jdk6 I got the following error:
Exception in thread "main" java.lang.UnsupportedClassVersionError:
javaapplication1/JavaApplication1 : Unsupported major.minor version 51.0
OS used: ubuntu 11.10
Any help would be appreciated.
This could be a result of depending on some other classes (libraries/jars) that is compiled on different version of JDK (1.7 in this case).
Make sure that you use the 1.6 compiled version of the jars/libraries.