Problems with using clj-oauth

Question

I'm developing Twitter sign in for my platform. I want to use for this purpose clj-oauth library (https://github.com/mattrepl/clj-oauth). I added [clj-oauth "1.5.2"] to my project.clj and created seperate file oauth.clj for testing purposes with only this code:

(ns greenius.service.oauth
  (:require 
    ['oauth.client :as 'oauth]))

When I try compile oauth.clj I get error:

ClassCastException clojure.lang.PersistentList cannot be cast to clojure.lang.Named  clojure.core/name (core.clj:1518)

I have an impression that I follow the guide in every bit. What could be the cause of that error?

Razvanescu · Accepted Answer · 2015-08-31 17:25:54Z

1

Remove the ' because you are using the require from inside the ns macro, so the names have to be symbols. Example from the ns documentation:

    (ns foo.bar
  (:refer-clojure :exclude [ancestors printf])
  (:require (clojure.contrib sql combinatorics))
  (:use (my.lib this that))
  (:import (java.util Date Timer Random)
           (java.sql Connection Statement)))

edited Aug 31, 2015 at 17:25

answered Aug 31, 2015 at 17:19

Razvanescu

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3 Comments

Damian Hryniewicz Over a year ago

I tried to do this. If I compile this: (ns greenius.service.oauth (:require [oauth.client :as oauth])) I get

FileNotFoundException Could not locate oauth/client__init.class or oauth/client.clj on classpath:   clojure.lang.RT.load (RT.java:443)

Razvanescu Over a year ago

Did you run lein deps after adding clj-oauth to the project file?

Damian Hryniewicz Over a year ago

Yes. Strange thing, but after I rerun emacs, I get different error. Now it's:

CompilerException java.lang.ClassNotFoundException: org.apache.http.conn.ssl.SSLContexts, compiling:(clj_http/conn_mgr.clj:1:1)

. I tried to google it and I think the reason are conflict between libraries. I'll post here if I find solution.

Damian Hryniewicz · Accepted Answer · 2015-09-01 10:12:23Z

I managed to fix the problem. First I followed th esuggestion given by @Razvanescu and changed ['oauth.client :as 'oauth] into [oauth.client :as oauth].
After that I was getting new error:
FileNotFoundException Could not locate oauth/client__init.class or oauth/client.clj on classpath: clojure.lang.RT.load (RT.java:443).
When I reran my IDE it changed into CompilerException java.lang.ClassNotFoundException: org.apache.http.conn.ssl.SSLContexts, compiling:(clj_http/conn_mgr.clj:1:1)
Googling that error led me to this: https://github.com/cemerick/friend/issues/128.
I was using friend 0.2.0 and clj-oauth uses clj-http so it applied to my problem. After I upgraded to [com.cemerick/friend "0.2.2-SNAPSHOT"] and reran my IDE the problem was gone and it works now.

Sad thing is that I realized just now that twitter grants info only about username, which in my case is practically useless for sign up...

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