java.lang.UnsupportedClassVersionError: oracle/dbtools/jarcl/Entrypoint : Unsupported major.minor version 51.0

Oracle Community | Srinivasan OPM | 4 months ago
  1. 0

    Error: oracle/dbtools/jarcl/Entrypoint : Unsupported major.minor version 51.0

    Oracle Community | 4 months ago | Srinivasan OPM
    java.lang.UnsupportedClassVersionError: oracle/dbtools/jarcl/Entrypoint : Unsupported major.minor version 51.0
  2. 0

    Unsupported Class Version Error

    Stack Overflow | 5 years ago | Rohit Elayathu
    java.lang.UnsupportedClassVersionError: stateless/TestEjbRemote : Unsupported major.minor version 51.0
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    Java Version conflict Problem in installation on ORDS 3 in Linux.

    Oracle Community | 1 year ago | Hasan Al Mamun
    java.lang.UnsupportedClassVersionError: oracle/dbtools/jarcl/Entrypoint : Unsupported major.minor version 51.0
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    JDK 6 support

    GitHub | 3 years ago | dattachandan
    java.lang.UnsupportedClassVersionError: org/wiztools/ restclient/ui/Main : Unsupported major.minor version 51.0
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    unsupported major minor version

    GitHub | 4 years ago | atsalyuk
    java.lang.UnsupportedClassVersionError: MultiMCLauncher : Unsupported major.minor version 51.0

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Root Cause Analysis

  1. java.lang.UnsupportedClassVersionError

    oracle/dbtools/jarcl/Entrypoint : 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.defineClassCond(Unknown Source)
    3. java.lang.ClassLoader.defineClass(Unknown Source)
    4. java.security.SecureClassLoader.defineClass(Unknown Source)
    5. java.net.URLClassLoader.defineClass(Unknown Source)
    6. java.net.URLClassLoader.access$000(Unknown Source)
    7. java.net.URLClassLoader$1.run(Unknown Source)
    8. java.security.AccessController.doPrivileged(Native Method)
    9. java.net.URLClassLoader.findClass(Unknown Source)
    10. java.lang.ClassLoader.loadClass(Unknown Source)
    11. sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
    12. java.lang.ClassLoader.loadClass(Unknown Source)
    12 frames