how to restart Clojurescript One repl the right way?

[George Oliver]

hi, I'm just starting with ClojureScript and ClojureScript One.
Sometimes working with One I kill the cljs-repl for whatever reason
(something hangs, I make some mistake and can't correct it, etcetera);
when I go to restart (by running lein repl again), I then can't
restart the cljs-repl. I get,

BindException Address already in use: JVM_Bind
java.net.PlainSocketImpl.socketBind

What's the right way to restart in this situation? Thanks.

[John Collins]

When you get a BindException error like the one you have it's probably because your ring server didn't shut down properly when your repl disconnected. I always have to resort to looking up the pid(in Linux) and killing the process running on the address:port  and running lein repl again or cljs-repl if you are still within the clojure repl. I think this situation can be remedied somehow if the server connection can be saved to a var so that a stop and start function can be called on it.

John

[Pierre-Henry Perret]

Yes, good question. It leads to another one: is ther a clojure hook  to stop the server ?

I personally kill the process to sweep out the vm and then can restart again.

[Murphy McMahon]

This is what I did on a project branched off of ClojureScript One:

https://github.com/pandeiro/multiedit/blob/multi-edit/src/app/clj/one/sample/repl.clj

It saves the server instance to an atom and adds (stop) and (restart)
functions. Just an idea. M

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