Tassel 4 - Java Error - Exception in thread "main" java.lang.UnsupportedClassVersionError: ...

[George Pacheco]

Dear all,

I got the error bellow when trying to run Tassel 4. I did try to run Tassel 3 using the same command and it worked well. Thus, would anyone know why I am getting this error with Tassel 4?

Thanks in a lot advance, George.

Exception in thread "main" java.lang.UnsupportedClassVersionError: net/maizegenetics/pipeline/TasselPipeline : 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)

Could not find the main class: net.maizegenetics.pipeline.TasselPipeline.  Program will exit.

[Terry Casstevens]

Tassel 4 requires Java 7.

http://www.maizegenetics.net/tassel/docs/ExecutingTassel.pdf

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[George Pacheco]

Thanks dear Terry and I do apologize for my lack of attention.

Best, George.