cassandra 2.0, then use oracle or open jdk version 7. Jason
On Wed, Sep 18, 2013 at 11:21 AM, Gary Zhao <garyz...@gmail.com> wrote: > Hello > > I just saw this error. Anyone knows how to fix it? > > [root@gary-vm1 apache-cassandra-2.0.0]# bin/cassandra -f > xss = -ea -javaagent:bin/../lib/jamm-0.2.5.jar -XX:+UseThreadPriorities > -XX:ThreadPriorityPolicy=42 -Xms4014M -Xmx4014M -Xmn400M > -XX:+HeapDumpOnOutOfMemoryError -Xss180k > Exception in thread "main" java.lang.UnsupportedClassVersionError: > org/apache/cassandra/service/CassandraDaemon : Unsupported major.minor > version 51.0 > at java.lang.ClassLoader.defineClass1(Native Method) > at java.lang.ClassLoader.defineClassCond(ClassLoader.java:632) > at java.lang.ClassLoader.defineClass(ClassLoader.java:616) > at > java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141) > at java.net.URLClassLoader.defineClass(URLClassLoader.java:283) > at java.net.URLClassLoader.access$000(URLClassLoader.java:58) > at java.net.URLClassLoader$1.run(URLClassLoader.java:197) > at java.security.AccessController.doPrivileged(Native Method) > at java.net.URLClassLoader.findClass(URLClassLoader.java:190) > at java.lang.ClassLoader.loadClass(ClassLoader.java:307) > at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301) > at java.lang.ClassLoader.loadClass(ClassLoader.java:248) > Could not find the main class: > org.apache.cassandra.service.CassandraDaemon. Program will exit. > [root@gary-vm1 apache-cassandra-2.0.0]# java -version > java version "1.6.0_24" > Java(TM) SE Runtime Environment (build 1.6.0_24-b07) > Java HotSpot(TM) 64-Bit Server VM (build 19.1-b02, mixed mode) > > Thanks > Gary >
