I would like to know Clojure, and I downloaded and installed the following gizmos:
- Clojure 1.6.0 from the official site;
- Leiningen 2.4.3;
- Cider 0.6.0 from GitHub.
It works for me. Now I'm trying to print the message "Hello, World!" , when starting Cider from Emacs:
; CIDER 0.6.0 (Java 1.7.0_65, Clojure 1.6.0, nREPL 0.2.0-beta5) user> (println "Hello World!") Hello World!NoSuchMethodError clojure.tools.nrepl.StdOutBuffer.length()I clojure.tools.nrepl.middleware.session/session-out/fn--7630 (session.clj:43)NoSuchMethodError clojure.tools.nrepl.StdOutBuffer.length()I clojure.tools.nrepl.middleware.session/session-out/fn--7630 (session.clj:43) user>
What is this noise? When I just run:
$ clojure ;Clojure 1.6.0 user=> (println "Hello, World!") Hello, World! nil
everything is good. When I do this with Leiningen:
$ lein repl ; lotsa stuff here... user=> (println "Hello, World!")
After entering this command, I enjoy the following verses:
CompilerException java.lang.RuntimeException: Unable to resolve symbol: rprintln in this context, compiling:(NO_SOURCE_PATH:1:1) NoSuchMethodError clojure.tools.nrepl.StdOutBuffer.length()I clojure.tools.nrepl.middleware.session/session-out/fn--7630 (session.clj:43) Exception in thread "nREPL-worker-3" java.lang.NoSuchMethodError: clojure.tools.nrepl.StdOutBuffer.length()I at clojure.tools.nrepl.middleware.session$session_out$fn__7630.doInvoke(session.clj:43) at clojure.lang.RestFn.invoke(RestFn.java:460) at clojure.tools.nrepl.middleware.session.proxy$java.io.Writer$ff19274a.write(Unknown Source) at java.io.PrintWriter.write(PrintWriter.java:456) at java.io.PrintWriter.write(PrintWriter.java:473) at clojure.core$fn__5471.invoke(core_print.clj:191) at clojure.lang.MultiFn.invoke(MultiFn.java:231) at clojure.core$pr_on.invoke(core.clj:3392) at clojure.core$pr.invoke(core.clj:3404) at clojure.lang.AFn.applyToHelper(AFn.java:154) at clojure.lang.RestFn.applyTo(RestFn.java:132) at clojure.core$apply.invoke(core.clj:624) at clojure.core$prn.doInvoke(core.clj:3437) at clojure.lang.RestFn.applyTo(RestFn.java:137) at clojure.core$apply.invoke(core.clj:624) at clojure.core$println.doInvoke(core.clj:3457) at clojure.lang.RestFn.invoke(RestFn.java:408) at clojure.main$repl_caught.invoke(main.clj:158) at clojure.tools.nrepl.middleware.interruptible_eval$evaluate$fn__7569$fn__7582.invoke(interruptible_eval.clj:76) at clojure.main$repl$fn__6634.invoke(main.clj:259) at clojure.main$repl.doInvoke(main.clj:257) at clojure.lang.RestFn.invoke(RestFn.java:1096) at clojure.tools.nrepl.middleware.interruptible_eval$evaluate$fn__7569.invoke(interruptible_eval.clj:56) at clojure.lang.AFn.applyToHelper(AFn.java:152) at clojure.lang.AFn.applyTo(AFn.java:144) at clojure.core$apply.invoke(core.clj:624) at clojure.core$with_bindings_STAR_.doInvoke(core.clj:1862) at clojure.lang.RestFn.invoke(RestFn.java:425) at clojure.tools.nrepl.middleware.interruptible_eval$evaluate.invoke(interruptible_eval.clj:41) at clojure.tools.nrepl.middleware.interruptible_eval$interruptible_eval$fn__7610$fn__7613.invoke(interruptible_eval.clj:171) at clojure.core$comp$fn__4192.invoke(core.clj:2402) at clojure.tools.nrepl.middleware.interruptible_eval$run_next$fn__7603.invoke(interruptible_eval.clj:138) at clojure.lang.AFn.run(AFn.java:22) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:745)
Oh no. What a pain! Stop it, stop it!
I am so puzzled. What is it and how can I fix it? Does anyone have a similar experience? How to print "Hello, World!" in clojure?
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