What does the exception below mean? Does trampoline require something to be defined/included that the usual way doesn't?
Exception in thread "main" java.lang.IllegalArgumentException: No implementation of method: :make-writer of protocol: #'clojure.java.io/IOFactory found for class: nil (NO_SOURCE_FILE:0) at clojure.lang.Compiler.eval(Compiler.java:5440) at clojure.lang.Compiler.eval(Compiler.java:5391) at clojure.core$eval.invoke(core.clj:2382) at clojure.main$eval_opt.invoke(main.clj:235) at clojure.main$initialize.invoke(main.clj:254) at clojure.main$script_opt.invoke(main.clj:270) at clojure.main$main.doInvoke(main.clj:354) at clojure.lang.RestFn.invoke(RestFn.java:483) at clojure.lang.Var.invoke(Var.java:381) at clojure.lang.AFn.applyToHelper(AFn.java:180) at clojure.lang.Var.applyTo(Var.java:482) at clojure.main.main(main.java:37) Caused by: java.lang.IllegalArgumentException: No implementation of method: :make-writer of protocol: #'clojure.java.io/IOFactory found for class: nil at clojure.core$_cache_protocol_fn.invoke(core_deftype.clj:471) at clojure.java.io$fn__7420$G__7374__7427.invoke(io.clj:63) at clojure.java.io$writer.doInvoke(io.clj:113) at clojure.lang.RestFn.invoke(RestFn.java:411) at clojure.lang.AFn.applyToHelper(AFn.java:163) at clojure.lang.RestFn.applyTo(RestFn.java:133) at clojure.core$apply.invoke(core.clj:542) at clojure.core$spit.doInvoke(core.clj:5385) at clojure.lang.RestFn.invoke(RestFn.java:426) at leiningen.trampoline$write_trampoline.invoke(trampoline.clj:32) at leiningen.trampoline$trampoline.doInvoke(trampoline.clj:57) at clojure.lang.RestFn.invoke(RestFn.java:426) at clojure.lang.Var.invoke(Var.java:369) at clojure.lang.AFn.applyToHelper(AFn.java:165) at clojure.lang.Var.applyTo(Var.java:482) at clojure.core$apply.invoke(core.clj:542) at leiningen.core$apply_task.invoke(core.clj:228) at leiningen.core$_main.doInvoke(core.clj:294) at clojure.lang.RestFn.applyTo(RestFn.java:140) at clojure.core$apply.invoke(core.clj:542) at leiningen.core$_main.invoke(core.clj:297) at user$eval42.invoke(NO_SOURCE_FILE:1) at clojure.lang.Compiler.eval(Compiler.java:5424) ... 11 more -- You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en