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Cannot Connect: 503 error

If, when logging into minecraft, you see the following error:

error '.io.IOException:server returned HTTP response code:503 for URL:http://www.minecraft.net//game/joinserver.jsp? '

It means that minecraft.net auth servers are down. This is an issue on minecraft's end and has nothing to do with your server. You can try to connect in a little while, however, until minecraft.net is back up, nothing will work.

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