Hello

I've got a page that takes the context as parameter to produce a
result from db, e.g.:  http:/hostname/app/page/123

If the db result for 123 does not exist I would like to throw a 404.

Currently I'm using...

Object onActivate(EventContext context) {
  //db lookup code to prepare page
}

Is the best way to throw a custom error that gets picked up by the
ExceptionReport page and "rendered" with a status code of 404?

Or is there a way to initialize/prepare the page earlier in the cycle
and detect the non existence of resource 123?

Thanks
Theo

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