Description of problem:
The way the start script is written, CLASSPATH is ignored. Thus, for example, (use ...) does not work, which needs the CLASSPATH to be set to the directory with the clojure namespaces.

Instead of:
  exec java ${JAVA_OPTS} -jar /usr/share/java/clojure.jar "$@"
it should be
  CLASSPATH=$CLASSPATH:/usr/share/java/clojure.jar
  export CLASSPATH
  exec java ${JAVA_OPTS} clojure.main "$@"