users@glassfish.java.net

Re: Websocket can not find the endpoint

From: Arun Gupta <arun.p.gupta_at_oracle.com>
Date: Fri, 22 Feb 2013 11:06:22 -0800

Hi Neil,

These changes are discussed on the JSR 356 EG alias and updated in the
latest API javadocs too.

I've updated Collaborative Whiteboard sample to highlight these changes
as well. BTW, configuration attribute is not required with 76 at all.
The updated sample code that runs on b76 is already listed on the blog
and here:

https://blogs.oracle.com/arungupta/resource/totd189-whiteboard-glassfish76.zip

Try to make this change and let us know if it does not work.

Arun

On 2/21/13 8:33 PM, Neil Ghosh wrote:
> Hi Arun,
>
> This latest code works now (76). I observed that the endpoint
> definition has changed
>
> @WebSocketEndpoint(value = "/slate", configuration =
> DefaultServerConfiguration.class)
>
> I have been using @WebSocketEndpoint(value = "/slate", factory =
> Slate.DummyEndpointFactory.class) all these days.
>
> Also the the websocket endpoint is in
> javax.websocket.server.WebSocketEndpoint; instead of
> javax.websocket.WebSocketEndpoint;
>
> I don't know whats the best way to communicate these changes as they
> happen build by build.
>
>
>
> BTW Even after these changes my code did not work. It gave following
> exception
>
> INFO: Loading application [com.mycompany_slate_war_1.0-SNAPSHOT] at
> [/slate]
> INFO: com.mycompany_slate_war_1.0-SNAPSHOT was successfully deployed
> in 1,080 milliseconds.
> INFO: Registering WebSocket filter for url pattern /*
> INFO: Initializing Mojarra 2.2.0-m09 (-SNAPSHOT 20130205-1620
> https://svn.java.net/svn/mojarra~svn/tags/2.2.0-m09@11568
> <https://svn.java.net/svn/mojarra%7Esvn/tags/2.2.0-m09@11568>) for
> context '/slate'
> INFO: Closing down : org.glassfish.tyrus.server.TyrusEndpoint_at_36c9cd3d
> *SEVERE: WebModule[/slate]Exception starting filter WebSocket filter
> java.lang.InstantiationException*
> at
> org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:135)
> at
> org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:5290)
> at
> org.apache.catalina.core.StandardContext.start(StandardContext.java:5902)
> at com.sun.enterprise.web.WebModule.start(WebModule.java:696)
> at
> org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:1041)
> at
> org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:1024)
> at
> org.apache.catalina.core.StandardHost.addChild(StandardHost.java:747)
> at
> com.sun.enterprise.web.WebContainer.loadWebModule(WebContainer.java:2304)
> at
> com.sun.enterprise.web.WebContainer.loadWebModule(WebContainer.java:1950)
> at
> com.sun.enterprise.web.WebApplication.start(WebApplication.java:140)
> at org.glassfish.internal.data.EngineRef.start(EngineRef.java:122)
> at org.glassfish.internal.data.ModuleInfo.start(ModuleInfo.java:291)
> at
> org.glassfish.internal.data.ApplicationInfo.start(ApplicationInfo.java:327)
> at
> com.sun.enterprise.v3.server.ApplicationLifecycle.deploy(ApplicationLifecycle.java:497)
> at
> com.sun.enterprise.v3.server.ApplicationLifecycle.deploy(ApplicationLifecycle.java:219)
> at
> org.glassfish.deployment.admin.DeployCommand.execute(DeployCommand.java:491)
> at
> com.sun.enterprise.v3.admin.CommandRunnerImpl$2$1.run(CommandRunnerImpl.java:528)
> at
> com.sun.enterprise.v3.admin.CommandRunnerImpl$2$1.run(CommandRunnerImpl.java:524)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Subject.java:356)
> at
> com.sun.enterprise.v3.admin.CommandRunnerImpl$2.execute(CommandRunnerImpl.java:523)
> at
> com.sun.enterprise.v3.admin.CommandRunnerImpl.doCommand(CommandRunnerImpl.java:547)
> at
> com.sun.enterprise.v3.admin.CommandRunnerImpl.doCommand(CommandRunnerImpl.java:1424)
> at
> com.sun.enterprise.v3.admin.CommandRunnerImpl.access$1500(CommandRunnerImpl.java:108)
> at
> com.sun.enterprise.v3.admin.CommandRunnerImpl$ExecutionContext.execute(CommandRunnerImpl.java:1759)
> at
> com.sun.enterprise.v3.admin.CommandRunnerImpl$ExecutionContext.execute(CommandRunnerImpl.java:1675)
> at
> com.sun.enterprise.v3.admin.AdminAdapter.doCommand(AdminAdapter.java:534)
> at
> com.sun.enterprise.v3.admin.AdminAdapter.onMissingResource(AdminAdapter.java:224)
> at
> org.glassfish.grizzly.http.server.StaticHttpHandler.service(StaticHttpHandler.java:297)
> at
> com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:246)
> at
> org.glassfish.grizzly.http.server.HttpHandler.doHandle(HttpHandler.java:164)
> at
> org.glassfish.grizzly.http.server.HttpServerFilter.handleRead(HttpServerFilter.java:175)
> at
> org.glassfish.grizzly.filterchain.ExecutorResolver$9.execute(ExecutorResolver.java:119)
> at
> org.glassfish.grizzly.filterchain.DefaultFilterChain.executeFilter(DefaultFilterChain.java:273)
> at
> org.glassfish.grizzly.filterchain.DefaultFilterChain.executeChainPart(DefaultFilterChain.java:200)
> at
> org.glassfish.grizzly.filterchain.DefaultFilterChain.execute(DefaultFilterChain.java:134)
> at
> org.glassfish.grizzly.filterchain.DefaultFilterChain.process(DefaultFilterChain.java:112)
> at
> org.glassfish.grizzly.ProcessorExecutor.execute(ProcessorExecutor.java:77)
> at
> org.glassfish.grizzly.nio.transport.TCPNIOTransport.fireIOEvent(TCPNIOTransport.java:820)
> at
> org.glassfish.grizzly.strategies.AbstractIOStrategy.fireIOEvent(AbstractIOStrategy.java:113)
> at
> org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.run0(WorkerThreadIOStrategy.java:115)
> at
> org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.access$100(WorkerThreadIOStrategy.java:55)
> at
> org.glassfish.grizzly.strategies.WorkerThreadIOStrategy$WorkerThreadRunnable.run(WorkerThreadIOStrategy.java:135)
> at
> org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:564)
> at
> org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.run(AbstractThreadPool.java:544)
> at java.lang.Thread.run(Thread.java:722)
> Caused by: javax.servlet.ServletException: Web socket server
> initialization failed.
> at
> org.glassfish.tyrus.servlet.TyrusServletFilter.init(TyrusServletFilter.java:101)
> at
> org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:275)
> at
> org.apache.catalina.core.ApplicationFilterConfig.<init>(ApplicationFilterConfig.java:131)
> ... 45 more
> Caused by: javax.websocket.DeploymentException: Class
> javax.websocket.server.DefaultServerConfiguration couldn't be instantiated
> at
> org.glassfish.tyrus.ErrorCollector.composeComprehensiveException(ErrorCollector.java:83)
> at
> org.glassfish.tyrus.server.TyrusServerContainer.start(TyrusServerContainer.java:138)
> at
> org.glassfish.tyrus.servlet.TyrusServletFilter.init(TyrusServletFilter.java:99)
> ... 47 more
>
> INFO: Loading application [com.mycompany_slate_war_1.0-SNAPSHOT] at
> [/slate]
> INFO: com.mycompany_slate_war_1.0-SNAPSHOT was successfully deployed
> in 855 milliseconds.
>
>
>
>
>
> On Thu, Feb 21, 2013 at 6:07 AM, Arun Gupta <arun.p.gupta_at_oracle.com
> <mailto:arun.p.gupta_at_oracle.com>> wrote:
>
> Hi Neil,
>
> You had these apps working on an earlier version of GlassFish,
> right ? Are they still working in that version ?
>
> BTW, the Collaborative Whiteboard sample was broken on b76 and the
> updated code is now available at:
>
> https://blogs.oracle.com/arungupta/resource/totd189-whiteboard-glassfish76.zip
>
> Arun
>
>
> On 2/19/13 11:17 PM, Neil Ghosh wrote:
>> I used the the following code in Glassfish build 76
>>
>> https://blogs.oracle.com/arungupta/resource/totd189-whiteboard-glassfish74.zip
>>
>> I saw the following error in browser web console
>>
>> [12:41:22.599] Firefox can't establish a connection to the server
>> at ws://localhost:8080/whiteboard/websocket. @
>> http://localhost:8080/whiteboard/websocket.js:42
>>
>> The same error happens to all my other test apps. Can this be a
>> firewall issue ?
>> How do I debug this ?
>>
>> Note I did update the dependency while building the project via POM.
>>
>> --
>> Thanks and Regards
>> Neil
>> http://neilghosh.com
>>
>>
>
> --
> http://twitter.com/arungupta
> http://blogs.oracle.com/arungupta
>
>
>
>
> --
> Thanks and Regards
> Neil
> http://neilghosh.com
>
>

-- 
http://twitter.com/arungupta
http://blogs.oracle.com/arungupta