Java HTTPS server code failing

∟Reference Citations in 2015

∟Java HTTPS server code failing

'HttpsHello.java - HTTPS Server Test Program' tutorial was cited in a Stack Overflow forum post in 2015.

The HttpsHello.java - HTTPS Server Test Program tutorial was cited in a Stack Overflow forum post in 2015.

Subject: Java HTTPS server code failing
Date: Dec 5, 2015
Author: user555303
Source: http://stackoverflow.com/questions/34074819
   /java-https-server-code-failing

...
As I said, I've tried a bunch of other example programs that are
similar, and they all seem to fail at the same area, after the read
of the request.

NOTE that if I use openssl s_client and type the same input request in
manually it works.

Can anyone help point me to what might be wrong?

Thanks, Jim

EDIT:

I think that I've made some progress, with a different example server
code, the one from here:

https://www.herongyang.com/JDK/HTTPS-Server-Test-Program-HttpsHello.html

First of all, again, if I run this app and hit it from
"openssl s_client", it works fine when I manually enter a "GET".

But, if I try using Firefox, as soon as I send a request to
https://192.168.0.6:8888 (FYI, doesn't matter if I use a hostname that
matches cert), I get a popup asking me to add an exception and ALSO,
I get at the app/server end:
...