Kill Java Process for Ensime

[ambantis@okosmos ~]$ ps aux | grep java
ambantis  3621  6.9 18.4 4460424 1473712 ?     Ssl  07:44   1:17 java -Xbootclasspath/a:scala-library.jar:scala-compiler.jar -classpath lib/asm-3.2.jar:lib/asm-commons-3.2.jar:lib/asm-tree-3.2.jar:lib/critbit-0.0.4.jar:lib/ensime_2.9.2-0.9.8.1.jar:lib/json-simple-1.1.jar:lib/lucene-core-3.5.0.jar:lib/org.eclipse.jdt.core-3.6.0.v_A58.jar:lib/org.scala-refactoring_2.9.2-SNAPSHOT-0.5.0-SNAPSHOT.jar:lib/scala-compiler.jar:lib/scala-library.jar:lib/scalariform_2.9.1-0.1.1.jar:/opt/java6/lib/tools.jar -Xms256M -Xmx1512M -XX:PermSize=128m -Xss1M -Dfile.encoding=UTF-8 org.ensime.server.Server /tmp/ensime_port.3418
ambantis  5823  0.0  0.0  10876  1132 pts/3    S+   08:03   0:00 grep --color=auto java
[ambantis@okosmos ~]$ kill 3621