On 06/08/2013 14:20, Bob DeRemer wrote: > > >> -----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
The examples web application includes three samples. One just echoes messages back, one is a chat application and one is a multi-player game of snake (I just love that Tomcat now ships with a game by default - kudos to Johno Crawford who wrote it). http://svn.apache.org/viewvc/tomcat/trunk/webapps/examples/WEB-INF/classes/websocket/ and http://svn.apache.org/viewvc/tomcat/trunk/webapps/examples/websocket/ As an aside, I migrated the examples from the current Tomcat 7 WebSocket implementation to the JSR-356 implementation. With an IDE to do most of the renaming required, it didn't take long at all. > Also, is there a version of Tomcat (7 or 8) that has this functionality > available to test against? 8.0.0-RC1 is available to download. The formal release announcement will be going out just as soon as I finish going through all the e-mail in my inbox. Mark --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
