> -----Original Message----- > From: Mark Thomas [mailto:ma...@apache.org] > Sent: Tuesday, August 06, 2013 3:56 AM > To: Tomcat Users List > Subject: Re: any known problems using Tomcat 7.0.42 apr/native (windows) > with websockets? > > On 06/08/2013 03:45, Bob DeRemer wrote: > > QUESTION > > > > Is anyone aware of any problems using the apr/native connector + > > websockets in Tomcat 7.0.42? > > I'm not aware of any reports. > > > BACKGROUND > > > > We are trying to see how many concurrent websocket connections Tomcat > > will handle running on Windows Server. We wrote a multi-threaded java > > console app that spins up a thread-per simulated websocket client. In > > each thread, we are using a separate Ning websocket client. > > Unfortunately, we can't connect more than a few connections before we > > start getting websocket errors. > > What sort of errors?
I believe the connection was being closed unexpectedly > > > If we change the connector to use NIO, the sporadic connection errors > > seem to go away, but then we find that after about 200 connections, > > the communication seems to hang. This happens if all connections are > > made from a single test client instance or spread across multiple > > client instances. > > That suggests at least some issue with APR/native and WebSocket. > > > We're trying to determine where the problem lies and if it's in our > > use of Ning in a multi-threaded client app, Tomcat connector > > configuration, use of Tomcat websockets on Windows or something else. > > The focus in Tomcat 7 is going to move to the JSR356 implementation pretty > soon. I'd suggest looking at that rather than putting effort into Tomcat 7's > current implementation. Are there any examples for what must be written server-side? Also, is there a version of Tomcat (7 or 8) that has this functionality available to test against? > > > If anyone has any suggestions, I would greatly appreciate it. If you > > need additional information, please don't hesitate to ask. > > I'll look into adding a concurrent client test to the Tomcat unit tests. > > Mark > Bob > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org > For additional commands, e-mail: users-h...@tomcat.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
