Dear Mesrs. Thomas, Schultz, et al.:
Changing it to "org.apache.coyote.http11.Http11NioProtocol" did the
trick. The Tomcat 9 server launched, on our cloud Midrange box, and both
it and the webapp contexts we have running seem to be working. It will,
of course, require a bit more exercise before we start switching
customer installations over to it.
Tomcat 8.5 gives a warning message:
15-Nov-2022 14:12:55.341 WARNING [main]
org.apache.coyote.http11.Http11Protocol.<init> The HTTP BIO connector has been
removed in Tomcat 8.5.x onwards. The HTTP BIO connector configuration has been
automatically switched to use the HTTP NIO connector instead.
and so I'm taking that to mean that 8.5 did automatically what I had to
do by manually changing the configuration file.
Looking at the comparison chart on the protocols, I don't see any
difference between NIO and NIO2. Could somebody point me to an
explanation of what the difference is between BIO, NIO, and NIO2?
(I have the general impression that APR is not an option on IBM Midrange
boxes, but I could be mistaken.)
--
JHHL
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