Rails - Jun 2010 - Send form validation errors through redirect?

Hi,

I''m new at this, how do I send the errors that one would get from a
standard ruby scaffold generator on a form that is attempted to POST
incorrectly? With all the beautiful formatting etc...

Right now I have this:

  # POST /environments
  # POST /environments.xml
  def create
    @project = Project.find(params[:project_id])
    # @environment = Environment.new(params[:environment])
    @environment = @project.environments.create(params[:environment])
    if @environment.save
      redirect_to project_path(@project), :notice =>
''Saved''
    else
      redirect_to project_path(@project), :notice =>
''Error''
    end

And it works, but I only get what I define: "Error", whereas I would
like to get the explicit errors that the validators are catching...
something like: (does not work)

  # POST /environments
  # POST /environments.xml
  def create
    @project = Project.find(params[:project_id])
    # @environment = Environment.new(params[:environment])
    @environment = @project.environments.create(params[:environment])
    if @environment.save
      redirect_to project_path(@project), :notice =>
''Saved''
    else
      rescue ActiveRecord::RecordInvalid => invalid
         @error = invalid.record.errors
        end
      redirect_to project_path(@project), :notice => @error
    end

Any suggestions?

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