emory

midnite You are correct... Had some rems of 1.6 still in the system. Once I purged all 1.6 out it worked like a charm. Thanks

Can you please tell me what fixed it as I am having the same issue I am getting the same thing no matter what version I am using. java -jar /root/Desktop/DuckEncoder_v2.3/encoder.jar -i bart.txt Exception in thread "main" java.lang.UnsupportedClassVersionError: Encoder : Unsupported major.minor version 51.0 at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClass(ClassLoader.java:634) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) at java.net.URLClassLoader.defineClass(URLClassLoader.java:277) at java.net.URLClassLoader.access$000(URLClassLoader.java:73) at java.net.URLClassLoader$1.run(URLClassLoader.java:212) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:205) at java.lang.ClassLoader.loadClass(ClassLoader.java:321) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:294) at java.lang.ClassLoader.loadClass(ClassLoader.java:266) Could not find the main class: Encoder. Program will exit.