Re: Http11NioProtocol deadlocks with useAsyncIO="true" and HTTPS/2.0

2019-07-16 Thread Mark Thomas
On July 16, 2019 4:38:46 PM UTC, "Rémy Maucherat" wrote: >On Tue, Jul 16, 2019 at 6:34 PM Manuel Dominguez Sarmiento > >wrote: > >> We could find no Java deadlocked threads at all by inspecting >jconsole >> (not with the automatic "find deadlocks" functionality, nor by >inspection >> of a thread d

Re: Http11NioProtocol deadlocks with useAsyncIO="true" and HTTPS/2.0

2019-07-16 Thread Rémy Maucherat
On Tue, Jul 16, 2019 at 6:34 PM Manuel Dominguez Sarmiento wrote: > We could find no Java deadlocked threads at all by inspecting jconsole > (not with the automatic "find deadlocks" functionality, nor by inspection > of a thread dump). We performed several thread dumps WHILE the deadlock was > cl

Re: Http11NioProtocol deadlocks with useAsyncIO="true" and HTTPS/2.0

2019-07-16 Thread Manuel Dominguez Sarmiento
We could find no Java deadlocked threads at all by inspecting jconsole (not with the automatic "find deadlocks" functionality, nor by inspection of a thread dump). We performed several thread dumps WHILE the deadlock was clearly visible on screen (this was very easily reproduceable). The dead

Re: Http11NioProtocol deadlocks with useAsyncIO="true" and HTTPS/2.0

2019-07-16 Thread Mark Thomas
On July 16, 2019 7:20:28 AM UTC, "Rémy Maucherat" wrote: >On Mon, Jul 15, 2019 at 11:30 PM Manuel Dominguez Sarmiento > >wrote: > >> Hi, we had been running Tomcat 9.0.17 for quite some time on our >high-load >> production servers, using the attached server.xml configuration. >> >> Upon upgrading

Re: Http11NioProtocol deadlocks with useAsyncIO="true" and HTTPS/2.0

2019-07-16 Thread Rémy Maucherat
On Mon, Jul 15, 2019 at 11:30 PM Manuel Dominguez Sarmiento wrote: > Hi, we had been running Tomcat 9.0.17 for quite some time on our high-load > production servers, using the attached server.xml configuration. > > Upon upgrading to 9.0.21 we started experiencing many random deadlocks. We > run p

Http11NioProtocol deadlocks with useAsyncIO="true" and HTTPS/2.0

2019-07-15 Thread Manuel Dominguez Sarmiento
Hi, we had been running Tomcat 9.0.17 for quite some time on our high-load production servers, using the attached server.xml configuration. Upon upgrading to 9.0.21 we started experiencing many random deadlocks. We run performance advertising campaigns, and our conversion rates dropped to belo