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From "wangqun (JIRA)" <j...@apache.org>
Subject [jira] [Created] (MESOS-5147) UnsupportedClassVersionError: mesosphere/marathon/Main : Unsupported major.minor version 52.0
Date Fri, 08 Apr 2016 03:56:25 GMT
wangqun created MESOS-5147:
------------------------------

             Summary: UnsupportedClassVersionError: mesosphere/marathon/Main : Unsupported
major.minor version 52.0
                 Key: MESOS-5147
                 URL: https://issues.apache.org/jira/browse/MESOS-5147
             Project: Mesos
          Issue Type: Bug
    Affects Versions: 0.28.0
            Reporter: wangqun


Hi,
    I want to use marathon API to create the App and tasks.  So I install marathon according
to https://mesosphere.github.io/marathon/docs/.
1)  curl -O http://downloads.mesosphere.com/marathon/v1.0.0-RC1/marathon-1.0.0-RC1.tgz
2) tar xzf marathon-1.0.0-RC1.tgz
3)  cd marathon-1.0.0-RC1
4) ./bin/start --master zk://zk1.foo.bar:2181,zk2.foo.bar:2181/mesos --zk zk://zk1.foo.bar:2181,zk2.foo.bar:2181/marathon
I got the following error:
MESOS_NATIVE_JAVA_LIBRARY is not set. Searching in /usr/lib /usr/local/lib.
MESOS_NATIVE_LIBRARY, MESOS_NATIVE_JAVA_LIBRARY set to '/usr/local/lib/libmesos.so'
Exception in thread "main" java.lang.UnsupportedClassVersionError: mesosphere/marathon/Main
: Unsupported major.minor version 52.0
	at java.lang.ClassLoader.defineClass1(Native Method)
	at java.lang.ClassLoader.defineClass(ClassLoader.java:803)
	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$1.run(URLClassLoader.java:355)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
	at sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:48




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