Re: 38501 on first HTTP_POST_VERBOSE

I found this "bug" a couple of years ago with my customers.

https://fieldexit.com/forum/display?threadid=388

I haven't seen it for a while, but this was the exact error.. so maybe OS
level or PTFs are the issue.

On Thu, Jan 8, 2026 at 5:02 PM Justin Taylor <[email protected]> wrote:

> The fact that it only happens on the first call for a given job, and it
> never happens on a subsequent call, makes me think it's something other
> than a config issue.
>
> By luck, we determined it only happened with RDi SEP debugging.  With an
> SEP set, the first call from a job gives the 38501, while all subsequent
> calls don't.  With STRDBG (same job) or no debugging, the first and all
> subsequent calls work fine.
>
> That's still weird, but it means we'll never see this in production and we
> can safely ignore it.
>
> Thanks
>
>
>
> On Thu, Jan 8, 2026 at 2:50 PM Daniel Gross <[email protected]> wrote:
>
> > I'm no expert for SSL, but Google for
> >
> >    GSKit Error is 415
> >
> > and you will find plenty of results. Most point to a probable mismatch of
> > cipher suites - a configuration issue.
> >
> > If you don't have the chance, to solve the problem this way - add an
> > additional HTTPS request at the start of the program, of maybe some
> > internal retry concept (like doing 3 tries before reporting an error).
> >
> > HTH
> > Daniel
> >
> >
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