Hi Jeff, Graylog 2.0.0 and later require Java 8 (as mentioned in the documentation: http://docs.graylog.org/en/2.0/pages/installation.html).
Cheers, Jochen On Friday, 13 May 2016 10:42:23 UTC+2, [email protected] wrote: > > I've installed Graylog using the instructions on the Graylog website: > > $ sudo rpm -Uvh > https://packages.graylog2.org/repo/packages/graylog-2.0-repository_latest.rpm > $ sudo yum install graylog-server > > I attempt to start the server with: > > $ sudo service graylog-server start > > This gives the error: > > Exception in thread "main" java.lang.UnsupportedClassVersionError: > org/graylog2/bootstrap/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:482) > > This error indicates that it requires a JRE 8. > > The documents I can find indicate that Graylog 2 should work with Java 7. > > * Is the documentation right, and this was a failure in the release > process? > * Is there a Java 7 specific build I need to install? > * Is the documentation wrong, and does Graylog now require Java 8? > * Do I need to Graylog 2 from source using Java 7? > > -jeff > -- You received this message because you are subscribed to the Google Groups "Graylog Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/graylog2/f04e9755-de7c-42ae-8542-b683b13e45d9%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
