java.lang.UnsupportedClassVersionError: JVMCFRE003 bad major version; class=io/github/benas/randombeans/api/EnhancedRandom, offset=6

GitHub | pfernandom | 7 months ago
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    VMCFRE003 bad major version; class=io/github/benas/randombeans/api/EnhancedRandom, offset=6

    GitHub | 7 months ago | pfernandom
    java.lang.UnsupportedClassVersionError: JVMCFRE003 bad major version; class=io/github/benas/randombeans/api/EnhancedRandom, offset=6
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    Unsupported Java major.minor version 51.0 w/ OS X 10.10 Yosemite

    GitHub | 3 years ago | takahiro47
    java.lang.UnsupportedClassVersionError: org/elasticsearch/bootstrap/Elasticsearch : Unsupported major.minor version 51.0
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    Unsupported major.minor version 52.0

    GitHub | 1 year ago | humandb
    java.lang.UnsupportedClassVersionError: com/typesafe/config/ConfigFactory : Unsupported major.minor version 52.0

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Root Cause Analysis

  1. java.lang.UnsupportedClassVersionError

    JVMCFRE003 bad major version; class=io/github/benas/randombeans/api/EnhancedRandom, offset=6

    at java.lang.ClassLoader.defineClass()
  2. Java RT
    ClassLoader.loadClass
    1. java.lang.ClassLoader.defineClass(ClassLoader.java:324)
    2. java.security.SecureClassLoader.defineClass(SecureClassLoader.java:155)
    3. java.net.URLClassLoader.defineClass(URLClassLoader.java:712)
    4. java.net.URLClassLoader.access$400(URLClassLoader.java:93)
    5. java.net.URLClassLoader$ClassFinder.run(URLClassLoader.java:1164)
    6. java.security.AccessController.doPrivileged(AccessController.java:492)
    7. java.net.URLClassLoader.findClass(URLClassLoader.java:595)
    8. java.lang.ClassLoader.loadClassHelper(ClassLoader.java:777)
    9. java.lang.ClassLoader.loadClass(ClassLoader.java:750)
    10. sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:326)
    11. java.lang.ClassLoader.loadClass(ClassLoader.java:731)
    11 frames