You have to use jdk 7, not 6, with Cassandra 2.0. Blair
> On Oct 12, 2013, at 10:54 PM, ÐΞ€ρ@Ҝ (๏̯͡๏) <deepuj...@gmail.com> wrote: > > Just started with cassandra > > 1. Unpacked apache-cassandra-2.0.1 > 2. Created /var/lib/cassandra/ & /var/log/cassandra// > 3. Modified the owner from root to deepakkv > 4. deepakkv@ubuntu:~/ebay/softwares/apache-cassandra-2.0.1$ java -version > java version "1.6.0_45" > Java(TM) SE Runtime Environment (build 1.6.0_45-b06) > Java HotSpot(TM) 64-Bit Server VM (build 20.45-b01, mixed mode) > 5. Ubuntu > Linux ubuntu 3.2.0-29-generic #46-Ubuntu SMP Fri Jul 27 17:03:23 UTC 2012 > x86_64 x86_64 x86_64 GNU/Linux > 6. bin/cassandra -f > > xss = -ea -javaagent:bin/../lib/jamm-0.2.5.jar -XX:+UseThreadPriorities > -XX:ThreadPriorityPolicy=42 -Xms2932M -Xmx2932M -Xmn600M > -XX:+HeapDumpOnOutOfMemoryError -Xss256k > 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:631) > at java.lang.ClassLoader.defineClass(ClassLoader.java:615) > 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$1.run(URLClassLoader.java:197) > at java.security.AccessController.doPrivileged(Native Method) > at java.net.URLClassLoader.findClass(URLClassLoader.java:190) > at java.lang.ClassLoader.loadClass(ClassLoader.java:306) > at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301) > at java.lang.ClassLoader.loadClass(ClassLoader.java:247) > Could not find the main class: org.apache.cassandra.service.CassandraDaemon. > Program will exit. > > > How to fix it ? > > -- > Deepak >
