> -----Original Message-----
> From: Konstantin Preißer [mailto:[email protected]]
> Sent: Wednesday, October 16, 2013 3:33 PM
> I also need to do more testing because the error is not very reproducible on
> my current machine (but I have another one where it was more
> reproducible) to make sure what error exactly happens and when.
Hi,
I am now on a machine (Intel Core i7-3770, Win8 x64) where I can reproduce the
error very easily (after a few seconds of drawing at the drawboard).
In summary: When running current Tomcat trunk on Windows 8 x64 with Java
1.7.0_45 x64 and TC-Native 1.1.29, and using a SSL HTTP APR connector, then
Tomcat will close the Websocket connection after a few seconds of drawing to
the Drawboard Websocket example. This does not happen with a non-SSL APR
connector.
What I did was:
1) Checkout trunk (r1532781). Then update the path
"webapps/examples/WEB-INF/classes/websocket" to r1532286 because after this
revision I made a change to the Room implementation which makes the error
harder to reproduce.
2) Build the working copy, then copy the current v1.1.29 "tcnative-1.dll" into
the bin directory.
3) Configure a SSL HTTP APR connector in server.xml:
<Connector
protocol="HTTP/1.1"
port="8443" maxThreads="200"
scheme="https" secure="true" SSLEnabled="true"
connectionTimeout="20000"
SSLCertificateFile="${catalina.base}\conf\ssl\mycert.crt"
SSLCertificateKeyFile="${catalina.base}\conf\ssl\mypem.pem"
SSLVerifyClient="optional" SSLProtocol="TLSv1"
/>
4) Run Tomcat; then open Firefox and visit
https://localhost:8443/examples/websocket/drawboard.xhtml
5) Draw continuously on the drawboard (e.g. by doing fast circular movements
with the mouse) using the "Brush" setting.
6) After a several seconds, Firefox will display "Websocket connection closed"
and you can't draw anymore. Tomcat doesn't log anything to the console.
When using my TCP forwarder tool between Firefox and Tomcat, I can see that
Tomcat aborts/resets the TCP connection (Winsock error: 10053 and 10054) when
this happens.
When you try this with a non-SSL HTTP APR connector, everything works fine: The
Websocket connection will not be closed, regardless of how long you are drawing.
Regards,
Konstantin Preißer
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