[Jabref-users] JabRef 3.0. fails to start

[Peter R. <p.r...@sh...>]

Hi

I have tried updating to JabRef 3.0 on Mint Rafaela 17.2 this morning.  
I get the message:

Exception in thread "main" java.lang.UnsupportedClassVersionError: 
net/sf/jabref/JabRefMain : 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$1.run(URLClassLoader.java:355)
     at java.security.AccessController.doPrivileged(Native Method)
     at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
     at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
     at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
     at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
     at 
sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:482)


Running java -version responds with:

java version "1.7.0_91"
OpenJDK Runtime Environment (IcedTea 2.6.3) (7u91-2.6.3-0ubuntu0.14.04.1)
OpenJDK 64-Bit Server VM (build 24.91-b01, mixed mode)

I guess this is some issue that has been overlooked in the new version?

P.