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  1. ,
    via Google Groups by Marcus Haebler

    Update "latest" to Java 8 on DockerHub.

  2. ,
    via Stack Overflow by ERJAN

    This exception occurs when using an older version of java. Mainly when trying to run a jar compiled with a newer Java version in an older Java version. We can avoid this issue by executing the jar in the same version which it was compiled.

Solutions on the web

via GitHub by predic8
, 1 year ago
com/predic8/membrane/core/Starter : Unsupported major.minor version 52.0
via Stack Overflow by LazyClown
, 2 years ago
java_cup/runtime/SymbolFactory : Unsupported major.minor version 52.0
via GitHub by taojieterry
, 9 months ago
javax/ws/rs/core/Configurable : Unsupported major.minor version 52.0
via GitHub by mochechan
, 1 year ago
com/android/dx/command/Main : Unsupported major.minor version 52.0
java.lang.UnsupportedClassVersionError: com/predic8/membrane/core/Starter : Unsupported major.minor version 52.0 at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClass(ClassLoader.java:800) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) at java.net.URLClassLoader.defineClass(URLClassLoader.java:449) at java.net.URLClassLoader.access$100(URLClassLoader.java:71) at java.net.URLClassLoader$1.run(URLClassLoader.java:361) at java.net.URLClassLoader$1.run(URLClassLoader.java:355)