Thanks, this clarifies why my initial tests setting the current class loader failed.
On Thu, Dec 8, 2011 at 2:14 AM, Brent Millare <[email protected]> wrote: > To better understand what's going underneath, you're just calling the addURL > method of the classloader. But since you might be evaluating this at the > repl, there is an important point regarding the classloader. Everytime > clojure evaluates a form, it will use a new classloader on that form, and > the parent will be the classloader of the caller of the eval. So this means > if you evaluate two forms consecutively, the first being the addURL, and the > second, the command depending on the jar, the second will fail (unless you > wrap both commands in a let). You need to ensure that the parent of the > current classloader in the call to addURL is set. This way, all future evals > will delegate to the classloader that knows about the jar. > > So in summary, the heart of the command should just be: > > (.addURL (.getContextClassLoader (Thread/currentThread)) (.toURL (.toURI > file))) > > For runtime dependency management, pomegranate does this, and so does my > library, dj https://github.com/bmillare/dj > > -- > You received this message because you are subscribed to the Google > Groups "Clojure" group. > To post to this group, send email to [email protected] > Note that posts from new members are moderated - please be patient with your > first post. > To unsubscribe from this group, send email to > [email protected] > For more options, visit this group at > http://groups.google.com/group/clojure?hl=en -- You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email to [email protected] Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/clojure?hl=en
