Running lein ns-graph throws error: no implementation of method :as-file

[transducer]

Project.clj:

(defproject edb-device-connect "0.1.0-SNAPSHOT"
  :dependencies [[org.clojure/clojure "1.9.0-alpha14"]

                 [com.fzakaria/slf4j-timbre "0.3.2"]
                 [org.slf4j/log4j-over-slf4j "1.7.14"]
                 [org.slf4j/jul-to-slf4j "1.7.14"]
                 [org.slf4j/jcl-over-slf4j "1.7.14"]

                 [joda-time "2.9.6"]
                 [clj-time "0.12.2"]

                 [clj-http "2.3.0"]
                 [compojure "1.5.1"]
                 [ring "1.5.0"]
                 [ring/ring-json "0.4.0"]
                 [ring/ring-defaults "0.2.1"]

                 [com.cognitect/transit-clj "0.8.290"]
                 [io.pedestal/pedestal.service "0.5.1"]
                 [io.pedestal/pedestal.jetty "0.5.1"]

                 [environ "1.1.0"]
                 ;;[functionalbytes/mount-lite "0.9.8"]
                 [ekroon/mount-lite "0.9.9-SNAPSHOT"] ;; FIXME !
                 [cheshire "5.6.3"]
                 [com.taoensso/timbre "4.7.3"]
                 [http-kit "2.2.0"]
                 [org.clojure/data.avl "0.0.17"]

                 ;; the-common-stuff.database.
                 ;; Since we include the-common-stuff src we need to include the
                 ;; dependencies in this project's project.clj
                 [clojure.jdbc/clojure.jdbc-c3p0 "0.3.2"]
                 [org.clojure/java.jdbc "0.6.1"]
                 [mysql/mysql-connector-java "5.1.6"]
                 [ragtime "0.6.3"]
                 [com.layerware/hugsql "0.4.7"]

                 [ns-graph "0.1.2"]

                 ;; the-common-stuff.quartzite, exclude c3po cause its version conflicts
                 [clojurewerkz/quartzite "2.0.0" :exclusions [c3p0]]]
  :main ^:skip-aot deviceconnect.edb.core
  :uberjar-name "edb-device-connect-standalone.jar" ; needed for CI/make
  :plugins [[lein-environ "1.1.0"]
            [lein-codox "0.10.0"]
            [ns-graph "0.1.2"]]
  :ns-graph {:name         "EDB Device COnnect"
             :abbrev-ns    true
             :source-paths (get-env :source-paths)
             :exclude      ["java.*" "clojure.*"]}
  :source-paths ["src" "../the-common-stuff/src"]
  :codox {:source-paths ["src"]}
  :profiles {:uberjar     {:aot [deviceconnect.edb.core]}
             :dev         {:dependencies [[org.clojure/test.check "0.9.0"]
                                          [org.clojure/tools.namespace "0.3.0-alpha3"]]
                           :source-paths ["dev"]
                           :env          {:development "yesplease"}
                           :global-vars  {*warn-on-reflection* true}}
             :local-mysql {:env {:db-host     "localhost"
                                 :db-database "hellodata_edb_deviceconnect_test"
                                 :db-user     "root"}}}
  :aliases {"migrate"  ["run" "-m" "deviceconnect.core.database.migrations" "migrate"]
            "rollback" ["run" "-m" "deviceconnect.core.database.migrations" "rollback"]} )

Output of lein ns-graph:

Drawing namespace graph...
java.lang.IllegalArgumentException: No implementation of method: :as-file of protocol: #'clojure.java.io/Coercions found for class: clojure.lang.Symbol
 at clojure.core$_cache_protocol_fn.invokeStatic (core_deftype.clj:568)
    clojure.java.io$fn__9390$G__9372__9395.invoke (io.clj:35)
    clojure.java.io$file.invokeStatic (io.clj:424)
    clojure.java.io$file.invoke (io.clj:418)
    ns_graph.core$all_clojure_files.invokeStatic (core.clj:97)
    ns_graph.core$all_clojure_files.invoke (core.clj:96)
    ns_graph.core$parse_directories$fn__893.invoke (core.clj:114)
    clojure.core$map$fn__4785.invoke (core.clj:2646)
    clojure.lang.LazySeq.sval (LazySeq.java:40)
    clojure.lang.LazySeq.seq (LazySeq.java:49)
    clojure.lang.RT.seq (RT.java:521)
    clojure.core$seq__4357.invokeStatic (core.clj:137)
    clojure.core$apply.invokeStatic (core.clj:641)
    clojure.core$mapcat.invokeStatic (core.clj:2674)
    clojure.core$mapcat.doInvoke (core.clj:2674)
    clojure.lang.RestFn.invoke (RestFn.java:423)
    ns_graph.core$parse_directories.invokeStatic (core.clj:113)
    ns_graph.core$parse_directories.invoke (core.clj:108)
    ns_graph.core$depgraph_STAR_.invokeStatic (core.clj:253)
    ns_graph.core$depgraph_STAR_.invoke (core.clj:240)
    leiningen.ns_graph$ns_graph.invokeStatic (ns_graph.clj:17)
    leiningen.ns_graph$ns_graph.doInvoke (ns_graph.clj:8)
    clojure.lang.RestFn.invoke (RestFn.java:410)
    clojure.lang.Var.invoke (Var.java:379)
    clojure.lang.AFn.applyToHelper (AFn.java:154)
    clojure.lang.Var.applyTo (Var.java:700)
    clojure.core$apply.invokeStatic (core.clj:648)
    clojure.core$apply.invoke (core.clj:641)
    leiningen.core.main$partial_task$fn__5932.doInvoke (main.clj:272)
    clojure.lang.RestFn.invoke (RestFn.java:410)
    clojure.lang.AFn.applyToHelper (AFn.java:154)
    clojure.lang.RestFn.applyTo (RestFn.java:132)
    clojure.lang.AFunction$1.doInvoke (AFunction.java:29)
    clojure.lang.RestFn.applyTo (RestFn.java:137)
    clojure.core$apply.invokeStatic (core.clj:648)
    clojure.core$apply.invoke (core.clj:641)
    leiningen.core.main$apply_task.invokeStatic (main.clj:322)
    leiningen.core.main$apply_task.invoke (main.clj:308)
    lein_environ.plugin$write_env_to_file.invokeStatic (plugin.clj:29)
    lein_environ.plugin$write_env_to_file.invoke (plugin.clj:27)
    clojure.lang.Var.invoke (Var.java:394)
    clojure.lang.AFn.applyToHelper (AFn.java:165)
    clojure.lang.Var.applyTo (Var.java:700)
    clojure.core$apply.invokeStatic (core.clj:648)
    clojure.core$apply.invoke (core.clj:641)
    robert.hooke$compose_hooks$fn__11994.doInvoke (hooke.clj:40)
    clojure.lang.RestFn.applyTo (RestFn.java:137)
    clojure.core$apply.invokeStatic (core.clj:646)
    clojure.core$apply.invoke (core.clj:641)
    robert.hooke$run_hooks.invokeStatic (hooke.clj:46)
    robert.hooke$run_hooks.invoke (hooke.clj:45)
    robert.hooke$prepare_for_hooks$fn__11999$fn__12000.doInvoke (hooke.clj:54)
    clojure.lang.RestFn.applyTo (RestFn.java:137)
    clojure.lang.AFunction$1.doInvoke (AFunction.java:29)
    clojure.lang.RestFn.invoke (RestFn.java:436)
    leiningen.core.main$resolve_and_apply.invokeStatic (main.clj:328)
    leiningen.core.main$resolve_and_apply.invoke (main.clj:324)
    leiningen.core.main$_main$fn__5998.invoke (main.clj:401)
    leiningen.core.main$_main.invokeStatic (main.clj:394)
    leiningen.core.main$_main.doInvoke (main.clj:391)
    clojure.lang.RestFn.invoke (RestFn.java:408)
    clojure.lang.Var.invoke (Var.java:379)
    clojure.lang.AFn.applyToHelper (AFn.java:154)
    clojure.lang.Var.applyTo (Var.java:700)
    clojure.core$apply.invokeStatic (core.clj:646)
    clojure.main$main_opt.invokeStatic (main.clj:314)
    clojure.main$main_opt.invoke (main.clj:310)
    clojure.main$main.invokeStatic (main.clj:421)
    clojure.main$main.doInvoke (main.clj:384)
    clojure.lang.RestFn.invoke (RestFn.java:436)
    clojure.lang.Var.invoke (Var.java:388)
    clojure.lang.AFn.applyToHelper (AFn.java:160)
    clojure.lang.Var.applyTo (Var.java:700)
    clojure.main.main (main.java:37)

[agarman]

Same error here.

[thearthur]

yep, me too.

[thearthur]

replacing

:source-paths (get-env :source-paths)

with

:source-paths ["src/"]

seems to make this particular problem go away