On 04/22/2014 07:50 AM, Konstantin Kolinko wrote:
2014-04-22 15:31 GMT+04:00 Thom Hehl <th...@corrisoft.com>:
On 04/21/2014 04:30 PM, Daniel Mikusa wrote:
On Apr 21, 2014, at 9:58 AM, Thom Hehl <th...@corrisoft.com> wrote:
Tomcat 8/Ubuntu 12.04
I have my tomcat deployed with the example echo application. I wrote a
tester that hits the URL provided and sends a message and then receives the
response back.
I want to deploy my own websocket. I have done so using the
@ServerEndpoint(value = "/websocket") annotation. When i try to hit this
from my client, I get a http 404 status.
I looked at the examples again and found that there was this
ExamplesConfig.java. Aha! I thought, a magic class that makes this
configuration work. I implemented my own and it does not change the results.
It does not appear to be calling my config at all because I have
System.out.println()s in my config and they are not showing up in the log.
I have been through the examples web.xml and cannot find any
configuration for websockets at all except the listener definition for the
old school version of web sockets. (I'm assuming this predated JSR-356.)
So how do i configure tomcat so it knows about my web socket?
I don’t think this is really Tomcat specific. Maybe start with a JSR-356
tutorial and see if that helps to answer your questions.
http://docs.oracle.com/javaee/7/tutorial/doc/websocket.htm
I also have some examples on Github, if you’re looking for more WebSockets
examples.
https://github.com/dmikusa-pivotal/tomcat-8-features
I appreciate the help, but I've been through the tutorials. I've been
debugging the code for tomcat 8.05 and this looks like a defect. It finds my
class in ContextConfig.checkHandlesTypes and then passes it to
Introspection.loadClass(), but the class load fails and so the class isn't
added to the list of endpoints. This is the exact thing that happens when I
pull the EchoAnnotation endpoint out of the examples webapp and try it
independently. Can I get someone to verify, please?
1. What exactly version of Tomcat you are using?
https://wiki.apache.org/tomcat/FAQ/Linux_Unix#Q5
2. Does you copy of Tomcat has the following libraries in its lib directory?
tomcat-websocket.jar
websocket-api.jar
3. Loading of what class fails?
Your class, or some of its dependencies?
What is stacktrace when class loading fails?
I have been through the examples web.xml and cannot find any configuration for
websockets
at all except the listener definition for the old school version of web
sockets. (I'm
assuming this predated JSR-356.)
All websockets in Tomcat 8 are JSR-356. ("Old-school" were in Tomcat
7, where both them and JSR-356 are available now).
Best regards,
Konstantin Kolinko
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1. Sorry, tomcat 8.0.5.
2. Yes.
3. My class. A class being used was not included on the classpath, which
caused the class not to load.
The stacktrace is IllegalStateException from ClassNotFoundException.
This stack trace doesn't show up anywhere in tomcat 8.0.5.
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