java.lang.UnsupportedClassVersionError

com/sun/tools/javafx/packager/Main (Unsupported major.minor version 49.0)

Solutions on the web4831

  • via Oracle Community by 843851, 1 year ago
    com/sun/tools/javafx/packager/Main (Unsupported major.minor version 49.0)
  • via JDK Bug System by Webbug Group, 1 year ago
    com/sun/javafx/tools/packager/Main : Unsupported major.minor version 52.0
  • via JDK Bug System by Webbug Group, 1 year ago
    com/sun/javafx/tools/packager/Main : Unsupported major.minor version 52.0
  • Stack trace

    • java.lang.UnsupportedClassVersionError: com/sun/tools/javafx/packager/Main (Unsupported major.minor version 49.0) at java.lang.ClassLoader.defineClass0(Native Method) at java.lang.ClassLoader.defineClass(ClassLoader.java:502) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:123)

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