Re: [jetty-users] Jetty and WebSockets

Sebastian Gutierrez Tue, 20 Aug 2013 12:06:26 -0700

I've move a bit forward:

9.0.5

try to connect on: ws://10.211.55.4:8085/Integra/websockets/ or ws://10.211.55.4:8085/Integra/websockets/WebSocketEchoTest

this is the exception...

2013-08-16 20:42:35.458:WARN:oejs.ServletHandler:qtp1118598848-18: /Integra/websockets/

java.lang.NullPointerException

at org.eclipse.jetty.websocket.server.WebSocketServerFactory.upgrade(WebSocketServerFactory.java:415)

at org.eclipse.jetty.websocket.server.WebSocketServerFactory.acceptWebSocket(WebSocketServerFactory.java:178)

at org.eclipse.jetty.websocket.servlet.WebSocketServlet.service(WebSocketServlet.java:160)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:848)

at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:698)

at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:505)

at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:138)

at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:564)

at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:213)

at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1096)

at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:432)

at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:175)

at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1030)

at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:136)

at org.eclipse.jetty.server.handler.HandlerList.handle(HandlerList.java:52)

at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)

at org.eclipse.jetty.server.Server.handle(Server.java:445)

at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:268)

at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:229)

at org.eclipse.jetty.io.AbstractConnection$ReadCallback.run(AbstractConnection.java:358)

at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:601)

at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:532)

at java.lang.Thread.run(Thread.java:722)

maybe this is wrong on my xml:

<servlet-mapping>

<servlet-name>servlet</servlet-name>

<url-pattern>/websockets/*</url-pattern>

</servlet-mapping>

thanks!

On August 20, 2013 at 3:47:34 PM, Sebastian Gutierrez ([email protected]) wrote:

forget about this, is the manifest wrong…

On August 20, 2013 at 3:35:19 PM, Sebastian Gutierrez ([email protected]) wrote:

is there any breaking changes for embedded between 9.0.3 and 9.04 and 9.05 because I'm moving from 3 to 5 and now I have
this exception

root@server:/etc/IntegraServer/server# Exception in thread "main" java.lang.NoClassDefFoundError: org/eclipse/jetty/server/HttpConfiguration$Customizer
at java.lang.Class.getDeclaredMethods0(Native Method)
at java.lang.Class.privateGetDeclaredMethods(Class.java:2451)
at java.lang.Class.getMethod0(Class.java:2694)
at java.lang.Class.getMethod(Class.java:1622)
at sun.launcher.LauncherHelper.getMainMethod(LauncherHelper.java:494)
at sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:486)
Caused by: java.lang.ClassNotFoundException: org.eclipse.jetty.server.HttpConfiguration$Customizer
at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
at java.lang.ClassLoader.loadClass(ClassLoader.java:423)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
at java.lang.ClassLoader.loadClass(ClassLoader.java:356)
... 6 more

although the class seems to be on the jetty server jar……

any idea??

then I will move further on the web socket issue, 9.0.3 doesn't have a web socket client jar..

On August 20, 2013 at 2:52:19 PM, Joakim Erdfelt ([email protected]) wrote:

Yeah.

Go here : http://www.websocket.org/echo.html
And then type in your websocket uri and try it out.

--
Joakim Erdfelt <[email protected]>
webtide.com - intalio.com/jetty

Expert advice, services and support from from the Jetty & CometD experts
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On Tue, Aug 20, 2013 at 10:43 AM, Sebastian Gutierrez <[email protected]> wrote:

that's exactly as I have done, but it seems that JettyWebSocketServlet never gets executed, for example if I add some log on the configure override method, that one is never executed. when the server start, maybe it does´t get executed until the first request or something like that?? is there any simple way to test the web socket? lets say pasting the url on a web browser that supports them?? or is there any thin client out there to check it?

any other pointer??

thanks a lot!

On August 20, 2013 at 2:35:52 PM, Joakim Erdfelt ([email protected]) wrote:

hine.hostname" is your server's host name (or ip)
The "port" is the non-SSL port you have configured your server on.
The "webapp.context" is the context path where you deployed your web application
and "/websockets/" is the request path you have specified in your servlet-mapping

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