{"issue":{"milestone":null,"user":{"id":231375,"login":"semperos","url":"https://api.github.com/users/semperos","avatar_url":"https://secure.gravatar.com/avatar/0edeae8e7534b3d554e4ec2c35ffc68d?d=https://a248.e.akamai.net/assets.github.com%2Fimages%2Fgravatars%2Fgravatar-140.png","gravatar_id":"0edeae8e7534b3d554e4ec2c35ffc68d"},"title":"Firefox-specific enable-extension causes NPE on startup","created_at":"2011-12-16T15:36:55Z","labels":[],"updated_at":"2011-12-16T20:23:14Z","state":"open","id":2580839,"html_url":"https://github.com/semperos/clj-webdriver/issues/22","closed_at":null,"pull_request":{"patch_url":null,"html_url":null,"diff_url":null},"body":"From [this post](https://groups.google.com/d/msg/clj-webdriver/8Iewxgl3HKg/AROwj7vPiQMJ) on the Google group:\r\n\r\n```\r\nmy-ns> (.exists (clojure.java.io/as-file \"c:/work/git-repository/tf/resources/firebug-1.8.3.xpi\"))\r\ntrue\r\n\r\nmy-ns> (cw/start (cw/new-driver :firefox\r\n                                  (doto (ff/new-profile)\r\n                                        (ff/enable-extension \"c:/work/git-repository/tf/resources/firebug-1.8.3.xpi\"))) \"http://www.google.com\")\r\n\r\n;; browser opens... requested url does not open ... null pointer exception.\r\n\r\nNo message.\r\n  [Thrown class java.lang.NullPointerException]\r\n\r\nRestarts:\r\n 0: [QUIT] Quit to the SLIME top level\r\n\r\nBacktrace:\r\n  0: clojure.core$apply.invoke(core.clj:600)\r\n  1: clj_webdriver.driver$init_cache.invoke(driver.clj:18)\r\n  2: clj_webdriver.driver$init_driver.invoke(driver.clj:28)\r\n  3: clj_webdriver.core$new_driver.invoke(core.clj:56)\r\n```","number":22,"url":"https://api.github.com/repos/semperos/clj-webdriver/issues/22","comments":1,"assignee":null},"comment":{"user":{"id":833329,"login":"achengs","url":"https://api.github.com/users/achengs","avatar_url":"https://secure.gravatar.com/avatar/9b55a7b4669eed9025db47d745eb7a56?d=https://a248.e.akamai.net/assets.github.com%2Fimages%2Fgravatars%2Fgravatar-140.png","gravatar_id":"9b55a7b4669eed9025db47d745eb7a56"},"created_at":"2011-12-16T20:23:14Z","updated_at":"2011-12-16T20:23:14Z","id":3182153,"body":"Found in clj-webdriver 0.5.0-alpha1","url":"https://api.github.com/repos/semperos/clj-webdriver/issues/comments/3182153"},"action":"created"}