Unsupported major.minor version

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What steps will reproduce the problem?

Running this command on any train.txt:

java -jar jforests.jar --cmd=generate-bin --ranking --folder . --file train.txt 

What is the expected output? What do you see instead?

Expected output=bin file

Error reported:

Exception in thread "main" java.lang.UnsupportedClassVersionError: 
edu/uci/jforests/applications/Runner : Unsupported major.minor version 51.0
    at java.lang.ClassLoader.defineClass1(Native Method)
    at java.lang.ClassLoader.defineClassCond(ClassLoader.java:631)
    at java.lang.ClassLoader.defineClass(ClassLoader.java:615)
    at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141)
    at java.net.URLClassLoader.defineClass(URLClassLoader.java:283)
    at java.net.URLClassLoader.access$000(URLClassLoader.java:58)
    at java.net.URLClassLoader$1.run(URLClassLoader.java:197)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:247)

What version of the product are you using? On what operating system?

0.3

Please provide any additional information below.

Original issue reported on code.google.com by shahzad....@gmail.com on 2 Mar 2012 at 7:56

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You need to use Java 7.

Original comment by craig.ma...@gmail.com on 21 Aug 2012 at 1:20

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or check-out the trunk and recompile using 'mvn package'

Original comment by diego.ce...@gmail.com on 4 Dec 2012 at 6:24

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[deleted comment]

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Original comment by craig.ma...@gmail.com on 6 Jun 2014 at 9:10

• Changed state: Invalid