Rails application not found? -

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i returned first hello world rails program hartyl tutorial , tried run application had worked , displayed 'hello world'. time doesn't run , when go share , try open url, says couldn't find application.

any ideas why happen? tried run rails server command scratch , went on instructions hasn't solved it.

would appreciate , patience, thanks.

*wish give more info. first program i've done in rails , first time i've returned program after mini hiatus in rails expected run did before when returned cloud9 ide tutorial uses. in general, should run did before, or normal have start in terminal again see running in url?


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