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I received the following error on Apache bench:

apr_socket_connect(): Invalid argument (22)

when trying to connect to http://localhost:9202.

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On OSX, the fix is to use "" instead of localhost. Not sure why, but that prevents the error.

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Using also fixes this same issue on Window 7 64 bit pro, just tried it here. Thanks – NiCk Newman Feb 7 at 21:06

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