leo@localhost ~$ swank-clojure 
user=> Connection opened on null port 4005.
nil
unreadable message: (:emacs-rex (swank:autodoc (quote ("if" "" swank::%cursor-marker%)) :print-right-margin 158) "user" :repl-thread 4)

exception in read loop
java.lang.RuntimeException: java.lang.Exception: Invalid token: swank::
	at clojure.lang.RT.readString(RT.java:1263)
	at clojure.core$read_string.invoke(core.clj:2897)
	at swank.core.protocol$read_swank_message$fn__239.invoke(protocol.clj:46)
	at swank.core.protocol$read_swank_message.invoke(protocol.clj:45)
	at swank.core.connection$read_from_connection.invoke(connection.clj:59)
	at swank.core$read_loop.invoke(core.clj:348)
	at swank.swank$connection_serve$fn__1707$fn__1708.invoke(swank.clj:33)
	at clojure.lang.AFn.applyToHelper(AFn.java:159)
	at clojure.lang.AFn.applyTo(AFn.java:151)
	at clojure.core$apply.invoke(core.clj:540)
	at swank.swank$connection_serve$fn__1707.doInvoke(swank.clj:30)
	at clojure.lang.RestFn.invoke(RestFn.java:397)
	at clojure.lang.AFn.run(AFn.java:24)
	at java.lang.Thread.run(Thread.java:680)
Caused by: java.lang.Exception: Invalid token: swank::
	at clojure.lang.LispReader.interpretToken(LispReader.java:286)
	at clojure.lang.LispReader.read(LispReader.java:171)
	at clojure.lang.LispReader.readDelimitedList(LispReader.java:1060)
	at clojure.lang.LispReader$ListReader.invoke(LispReader.java:900)
	at clojure.lang.LispReader.readDelimitedList(LispReader.java:1051)
	at clojure.lang.LispReader$ListReader.invoke(LispReader.java:900)
	at clojure.lang.LispReader.readDelimitedList(LispReader.java:1051)
	at clojure.lang.LispReader$ListReader.invoke(LispReader.java:900)
	at clojure.lang.LispReader.readDelimitedList(LispReader.java:1051)
	at clojure.lang.LispReader$ListReader.invoke(LispReader.java:900)
	at clojure.lang.LispReader.read(LispReader.java:145)
	at clojure.lang.RT.readString(RT.java:1260)
	... 13 more
exception in control loop
java.lang.InterruptedException
	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.reportInterruptAfterWait(AbstractQueuedSynchronizer.java:1961)
	at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:1996)
	at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:399)
	at swank.util.concurrent.mbox$receive.invoke(mbox.clj:28)
	at swank.core$control_loop.invoke(core.clj:401)
	at swank.swank$connection_serve$fn__1673$fn__1674$fn__1675.invoke(swank.clj:23)
	at swank.swank$connection_serve$fn__1673$fn__1674.invoke(swank.clj:22)
	at clojure.lang.AFn.applyToHelper(AFn.java:159)
	at clojure.lang.AFn.applyTo(AFn.java:151)
	at clojure.core$apply.invoke(core.clj:540)
	at swank.swank$connection_serve$fn__1673.doInvoke(swank.clj:20)
	at clojure.lang.RestFn.invoke(RestFn.java:397)
	at clojure.lang.AFn.run(AFn.java:24)
	at java.lang.Thread.run(Thread.java:680)