java.lang.UnsupportedClassVersionError: hello : Unsupported major.minor version 51.0

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    UnsupportedClassVersionError when running java program

    Ask Ubuntu | 3 years ago | Sowmya Ravichandran
    java.lang.UnsupportedClassVersionError: hello : Unsupported major.minor version 51.0
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    Crosscompilation

    GitHub | 3 years ago | MarcDahlem
    java.lang.UnsupportedClassVersionError: org/hyperion/hypercon/Main : Unsupported major.minor version 51.0

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Root Cause Analysis

  1. java.lang.UnsupportedClassVersionError

    hello : Unsupported major.minor version 51.0

    at java.lang.ClassLoader.defineClass1()
  2. Java RT
    ClassLoader.loadClass
    1. java.lang.ClassLoader.defineClass1(Native Method)
    2. java.lang.ClassLoader.defineClass(ClassLoader.java:643)
    3. java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
    4. java.net.URLClassLoader.defineClass(URLClassLoader.java:277)
    5. java.net.URLClassLoader.access$000(URLClassLoader.java:73)
    6. java.net.URLClassLoader$1.run(URLClassLoader.java:212)
    7. java.security.AccessController.doPrivileged(Native Method)
    8. java.net.URLClassLoader.findClass(URLClassLoader.java:205)
    9. java.lang.ClassLoader.loadClass(ClassLoader.java:323)
    10. sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:294)
    11. java.lang.ClassLoader.loadClass(ClassLoader.java:268)
    11 frames