Apparent interaction of libraries with lein

[Nico Swart]

The Leiningen project file I use include these dependancies:

(defproject fb20try "1.0.0-SNAPSHOT"

  :description "FIXME: write description"

  :dependencies [[org.clojure/clojure "1.4.0"]

                 [org.clojure/clojure-contrib "1.2.0"]

                 [dds/ndds "1.0"]

                 [quil "1.6.0"]]

  :dev-dependencies [[swank-clojure "1.4.2"]])

[dds/ndds "1.0"] is a third part library that I installed in my local maven repository with the command

mvn install:install-file -Dfile=nddsjava.jar -DgroupId=dds -DartifactId=ndds -Dversion=1.0 -Dpackaging=jar 

 

Everything works well if  [quil "1.6.0"] is not included. If it is included, I get this error when the project is loaded:

C:\Clojure\lein\fb20try>lein repl

REPL started; server listening on localhost port 24467

user=> (use 'dyndata.model.ddsdata)

The library nddsjava.dll could not be loaded by Windows.

Make sure that the library is in your Path environment variable.

UnsatisfiedLinkError no nddsjava in java.library.path  java.lang.ClassLoader.loadLibrary (ClassLoader.java:1738)

Can anyone explain why a dll is referenced at all ?

Thanks

Nico

[Akhil Wali]

The error looks like its coming from java rather than leinengen.

And the error might be due to quil loading  some dll in the jre which is missing. Try reinstalling java is all I can say at this point.
 

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[Jim foo.bar]

Could it be that you're using lein1 instead of lein2? Is lein1 still
actively maintained? In any case I suggest you upgrade to lein2...

Jim

[Michael Klishin]

2013/3/14 Nico Swart <jns...@gmail.com>

Can anyone explain why a dll is referenced at all ?

One of the libraries quil uses requires a native library which is either not provided in the JARs or cannot be

loaded.

You need to locate that .dll and specify path to it via the java.library.path JVM option.

See https://github.com/technomancy/leiningen/blob/master/sample.project.clj#L253

for how to specify JVM options from project.clj.

The above assumes the .dll is a third party library and not supposed to be shipped with JDK.
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MK

http://github.com/michaelklishin
http://twitter.com/michaelklishin