Nevin Pratt wrote:
> I want to retrieve that response, via the URL, totally inside of Squeak,
> without dealing with files.  It's that simple.

?

I thought your issue was w/ a client you were trying to use, like Celeste.

In a Workspace, Inspect "<your long URL> asUrl retrieveContents".

A MIMEDocument is returned. Look at the "Contents" and you'll see your
error message.