Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Samebug tips

  1. ,
    via GitHub by Athou

    You're using an older version of java with classes compiled for java7

  2. ,
    via Google Groups by Marcus Haebler

    Update "latest" to Java 8 on DockerHub.

Solutions on the web

via GitHub by AsrielAsItGets
, 1 year ago
com/github/rjeschke/txtmark/Decorator : Unsupported major.minor version 51.0
via GitHub by RGamesGitHub
, 1 year ago
com/github/rjeschke/txtmark/Decorator : Unsupported major.minor version 51.0
via GitHub by AsrielAsItGets
, 6 months ago
com/github/rjeschke/txtmark/Decorator : Unsupported major.minor version 51.0
via GitHub by RGamesGitHub
, 6 months ago
com/github/rjeschke/txtmark/Decorator : Unsupported major.minor version 51.0
via GitHub by LeftoverNoodles
, 1 year ago
megameklab/com/MegaMekLab : Unsupported major.minor version 51.0
via markhneedham.com by Unknown author, 2 years ago
java.lang.UnsupportedClassVersionError: com/github/rjeschke/txtmark/Decorator : Unsupported major.minor version 51.0	at java.lang.ClassLoader.defineClass1(Native Method)	at java.lang.ClassLoader.defineClassCond(Unknown Source)	at java.lang.ClassLoader.defineClass(Unknown Source)	at java.security.SecureClassLoader.defineClass(Unknown Source)	at java.net.URLClassLoader.defineClass(Unknown Source)	at java.net.URLClassLoader.access$000(Unknown Source)	at java.net.URLClassLoader$1.run(Unknown Source)	at java.security.AccessController.doPrivileged(Native Method)	at java.net.URLClassLoader.findClass(Unknown Source)	at java.lang.ClassLoader.loadClass(Unknown Source)	at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)	at java.lang.ClassLoader.loadClass(Unknown Source)	at net.mightypork.rpw.App.init(App.java:108)	at net.mightypork.rpw.App.start(App.java:61)	at net.mightypork.rpw.App.main(App.java:55)