Here's the minimal profile.clj
(defproject foobar "0.1.0-SNAPSHOT"
:description "foobar explorer"
:url ""
:license {:name "Eclipse Public License"
:url "http://www.eclipse.org/legal/epl-v10.html"}
:dependencies [[org.clojure/clojure "1.9.0"]]
:main ^:skip-aot foobar.core
:target-path "target/%s"
:profiles {:uberjar {:aot :all}}
)
and core.clj
(ns foobar.core
(:gen-class)
)
(defn -main
"I don't do a whole lot ... yet."
[& args]
(println "Hello, World!"))
which produces
$ lein repl
Exception in thread "main" clojure.lang.ExceptionInfo: Call to
clojure.core/ns did not conform to spec:
On Saturday, January 13, 2018 at 4:14:32 PM UTC-5, Andy Fingerhut wrote:
>
> Given the warning about seesaw.util, I would guess that your project.clj
> file has seesaw as a dependency? Or maybe you have seesaw in your
> ~/.lein/profiles.clj file as a dependency?
>
> If so, either seesaw, or some other dependency being loaded, likely has an
> erroneous ns form somewhere. Perhaps where that erroneous ns form is can
> be determined from some of the error messages you have not shown. Clojure
> 1.9.0 checks the syntax of ns forms more strictly, and issues error
> messages about them, more strictly than previous versions of Clojure.
>
> Andy
>
> On Sat, Jan 13, 2018 at 1:07 PM, Andrew Dabrowski <unhan...@gmail.com
> <javascript:>> wrote:
>
>> I can't start a lein repl under 1.9 ( clojure 1.8 still works fine).
>>
>> $ lein repl
>> WARNING: boolean? already refers to: #'clojure.core/boolean? in
>> namespace: seesaw.util, being replaced by: #'seesaw.util/boolean?
>> Exception in thread "main" clojure.lang.ExceptionInfo: Call to
>> clojure.core/ns did not conform to spec:
>>
>> and then follows pages more error messages. Is there really a problem
>> with clojure.core/ns?
>>
>> I haven't even written any code yet, this is right after creating a new
>> project with lein.
>>
>> I'm on ubuntu 16 LTS, 64bit.
>>
>> openjdk version "1.8.0_151"
>>
>> Leiningen 2.8.1 on Java 1.8.0_151 OpenJDK 64-Bit Server VM
>>
>>
>>
>>
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>
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