404 Error Handling in CFWheels

Controller.cfc

<cffunction name="render404" hint="Renders a 404 error page.">
    <cfset renderPage(controller="main", action="error404")>
</cffunction>

error404.cfm

<cfset layout.title = "Page Not Found | ColdFusion on Wheels">
<cfset layout.header1 = "Page Not Found">
<cfset layout.breadcrumbs = ["Page Not Found"]>

<!--- 404 error --->
<cfheader statuscode="404" statustext="Not Found">

<cfoutput>

<p>
    We're sorry. We couldn't find the page that you're looking for. It has either been removed, or perhaps
    you are accessing an inaccurate <abbr title="Uniform Resource Locator">URL</abbr>.
</p>

<h2><label for="search-query-404">Search</label></h2>
#startFormTag(controller="search", id="cse-search-box", method="get")#
    <div>
        <input type="hidden" name="cx" value="005724978648843866544:jpej79qhz14" />
        <input type="hidden" name="cof" value="FORID:10" />
        <input type="hidden" name="ie" value="UTF-8" />
        <input id="search-query-404" type="text" name="q" />
        <input type="submit" name="sa" value="Search" />
    </div>
#endFormTag()#

<h2>Start from the Home Page</h2>
<p><strong>#linkTo(text="ColdFusion on Wheels Home &raquo;", route="home")#</strong></p>

</cfoutput>

Users.cfc

<cffunction name="profile" hint="Displays user profile.">
    <cfset user = model("customer").findByKey(params.key)>
    <cfset loggedInUser = getLoggedInCustomer()>
    <!--- If profile found, show it --->
    <cfif IsObject(user)>
        <cfset sites = user.sites(where="isApproved=1")>
        <cfset plugins = user.plugins(where="isApproved=1")>
    <!--- 404 error if not found --->
    <cfelse>
        <cfset render404()>
    </cfif>
</cffunction>