Hello, any client I try to run on Ubuntu X86_64 throws the same error:
Exception in thread "Thread-0" java.lang.UnsupportedClassVersionError: com/client : 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 java.lang.ClassLoader.loadClass(ClassLoader.java:358)
at com.danny.launcher.LauncherFrame.a(Unknown Source)
at com.danny.launcher.LauncherFrame.ru
I’ve done some research and found that the client may have been compiled on a java version that is not compatible with the one that was installed. Downgrading to openjdk-6-jre openjdk-6-jdk
from openjdk-7-jre openjdk-7-jdk
has not helped and the issue is present across multiple servers.
Any ideas?