java.lang.UnsupportedClassVersionError: welcome (Unsupported major.minor version 49.0)

Coderanch | satwant singh | 8 years ago
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    Coderanch | 8 years ago | satwant singh
    java.lang.UnsupportedClassVersionError: welcome (Unsupported major.minor version 49.0)
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    Issues using The Grinder load testing framework

    Stack Overflow | 6 years ago | Duncan
    java.lang.UnsupportedClassVersionError: net/grinder/G rinder (Unsupported major.minor version 49.0)

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Root Cause Analysis

  1. java.lang.UnsupportedClassVersionError

    welcome (Unsupported major.minor version 49.0)

    at java.lang.ClassLoader.defineClass0()
  2. Java RT
    ClassLoader.loadClass
    1. java.lang.ClassLoader.defineClass0(Native Method)
    2. java.lang.ClassLoader.defineClass(Unknown Source)
    3. java.security.SecureClassLoader.defineClass(Unknown Source)
    4. java.net.URLClassLoader.defineClass(Unknown Source)
    5. java.net.URLClassLoader.access$100(Unknown Source)
    6. java.net.URLClassLoader$1.run(Unknown Source)
    7. java.security.AccessController.doPrivileged(Native Method)
    8. java.net.URLClassLoader.findClass(Unknown Source)
    9. java.lang.ClassLoader.loadClass(Unknown Source)
    10. sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
    11. java.lang.ClassLoader.loadClass(Unknown Source)
    11 frames