--- ./conf/cassandra-env.sh.jamm_path_fix	2014-10-21 16:31:37.000000000 +0200
+++ ./conf/cassandra-env.sh	2015-01-12 21:31:40.086273885 +0100
@@ -168,7 +168,7 @@ JMX_PORT="7199"
 JVM_OPTS="$JVM_OPTS -ea"
 
 # add the jamm javaagent
-JVM_OPTS="$JVM_OPTS -javaagent:$CASSANDRA_HOME/lib/jamm-0.3.0.jar"
+JVM_OPTS="$JVM_OPTS -javaagent:/usr/share/cassandra/jamm-0.3.0.jar"
 
 # some JVMs will fill up their heap when accessed via JMX, see CASSANDRA-6541
 JVM_OPTS="$JVM_OPTS -XX:+CMSClassUnloadingEnabled"