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

linuxquestions.org | 4 months ago
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    LinuxQuestions.org - Learning Java

    linuxquestions.org | 4 months ago
    java.lang.UnsupportedClassVersionError: HelloDate (Unsupported major.minor version 49.0)
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    Installation error

    infoglue | 10 years ago | nobody
    java.lang.UnsupportedClassVersionError: org/infoglue/ cmsinstaller/InfoGlueCommandLineInstaller (Unsupported major.minor version 49.0)
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    java.lang.UnsupportedClassVersionError: org/savarese/rocksaw/net/RawSocket (Unsupported major.minor version 49.0)
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    2 class in 1 file ?

    Oracle Community | 1 decade ago | 843798
    java.lang.UnsupportedClassVersionError: javaparser/Ma in (Unsupported major.minor version 49.0)
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    Cannot launch gephi on linux debian with java-1.6

    GitHub | 5 years ago | mbastian
    java.lang.UnsupportedClassVersionError: Bad version number in .class file

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    Root Cause Analysis

    1. java.lang.UnsupportedClassVersionError

      HelloDate (Unsupported major.minor version 49.0)

      at java.lang.ClassLoader.defineClass0()
    2. Java RT
      ClassLoader.loadClassInternal
      1. java.lang.ClassLoader.defineClass0(Native Method)
      2. java.lang.ClassLoader.defineClass(ClassLoader.java:502)
      3. java.security.SecureClassLoader.defineClass(SecureClassLoader.java:123)
      4. java.net.URLClassLoader.defineClass(URLClassLoader.java:250)
      5. java.net.URLClassLoader.access$100(URLClassLoader.java:54)
      6. java.net.URLClassLoader$1.run(URLClassLoader.java:193)
      7. java.security.AccessController.doPrivileged(Native Method)
      8. java.net.URLClassLoader.findClass(URLClassLoader.java:186)
      9. java.lang.ClassLoader.loadClass(ClassLoader.java:299)
      10. sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:265)
      11. java.lang.ClassLoader.loadClass(ClassLoader.java:255)
      12. java.lang.ClassLoader.loadClassInternal(ClassLoader.java:315)
      12 frames