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

If you like a tip written by other Samebug users, mark is as helpful! Marks help our algorithm provide you better solutions and also help other users.
tip

Update "latest" to Java 8 on DockerHub.

tip

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

You have a different solution? A short tip here would help you and many other users who saw this issue last week.

  • plz tell me
    via by satwant singh,
  • GitHub comment 1#260750427
    via GitHub by ibnesayeed
    ,
  • H2O Documentation
    via by Unknown author,
    • java.lang.UnsupportedClassVersionError: welcome (Unsupported major.minor version 49.0) at java.lang.ClassLoader.defineClass0(Native Method) 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$100(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)

    Users with the same issue

    Eric Henderson
    Eric Henderson1 times, last one,
    Unknown visitor1 times, last one,
    Casper
    Casper2 times, last one,
    Unknown visitor1 times, last one,
    chenjunjun
    chenjunjun1 times, last one,
    66 more bugmates