Error if i don't have 'create' method in user_controller and only have 'new' method

[haxuan lac]

I'm trying with chapter 7 in RailsTutorial and have code in
user_controller:



def new
@user = User.new
end

def create
@user = User.new(params[:user])
if @user.save
redirect_to root_url, :notice => "Signed up!"
else
render "new"
end
end

if I remove 'create' method and Running App then have error :

The action 'create' could not be found for UsersController
I don't know why have to 'create' method'?
and how to fix this problem if not using 'create' method.
Thanks....

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[haxuan lac]

Sorry,I can know about this problem.
I think after click in submit Form and Post action of Form is called and
in Route :

POST /users(.:format) users#create
this is reason that this app have to do 'create' method