> -----Ursprüngliche Nachricht----- > Von: Mark Thomas <ma...@apache.org> > Gesendet: Dienstag, 8. März 2022 11:52 > An: users@tomcat.apache.org > Betreff: Re: AW: Many IllegalStateException when using http2 protocol > > On 08/03/2022 10:05, Thomas Hoffmann (Speed4Trade GmbH) wrote: > > Hello, > > > > today I got feedback from users, that pages are sometimes not shown. > > After pressing F5 the website shows up again. > > So this error also has effects on client side. > > > > I am not sure if it is related to Tomcat 10 Upgrade. At least I don’t see > > that > error in the Tomcat 9 logfiles. > > After switching to Tomcat 10, many errors show up each day in the > localhost-logfile. > > > > Did anything change in http2-protocol in Tomcat 10 ? > > Any ideas how to narrow down the problem? > > Turn on debug logging for HTTP/2. See comments in logging.properties > > Mark >
Hello Mark, the switch generates quite much logging information. I will try to find a suitable day to activate the logging on the live system. I didn’t manage to reproduce the issue on test system. I will try to hunt down or at least narrow down the problem. Thanks! Thomas