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ember serve: Livereload port finding and binding is not atomic #15975

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paddor opened this issue Dec 13, 2017 · 3 comments
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ember serve: Livereload port finding and binding is not atomic #15975

paddor opened this issue Dec 13, 2017 · 3 comments

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@paddor
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paddor commented Dec 13, 2017

Starting two ember serve processes (e.g. to test a high availability setup) using a Procfile and Hivemind/Overmind (they're like Foreman), one of them usually fails like this:

Livereload failed on http://localhost:49153.  It is either in use or you do not have permission.

Relevant lines from the Procfile:

ember-primary: cd webui && ember serve --port 4200
ember-backup: cd webui && ember serve --port 4201

Running one of them with a prepended sleep 10; often helps, but not always. Maybe you could make that section atomic where Ember tries to find an available port and bind to it?
@btecu
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btecu commented Dec 14, 2017

Probably belongs in https://github.com/ember-cli/ember-cli

@rwjblue
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rwjblue commented Dec 16, 2017

Agreed, @paddor would you mind moving the issue over to ember-cli's repo?

@rwjblue rwjblue closed this as completed Dec 16, 2017
@paddor paddor mentioned this issue Dec 18, 2017
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@paddor
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paddor commented Dec 18, 2017

Sure, just did. Thanks anyway!

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@paddor @rwjblue @btecu