Hi John,
which GFv3 version are you using? Can I ask you to try at least GF
3.0.1?
Thanks.
WBR,
Alexey.
On Jul 10, 2010, at 15:00 , John C. Turnbull wrote:
> I am trying to port an application that has been working fine with
> GlassFish v2 to v3 but am encountering the following exception when
> trying to register a topic with the comet engine.
>
> java.lang.IllegalStateException: CometHandler cannot be null. This
> CometHandler was probably resumed and an invalid reference was made
> to it.
> at
> com.sun.grizzly.comet.CometContext.<clinit>(CometContext.java:181)
> at
> com.sun.grizzly.comet.CometEngine.register(CometEngine.java:284)
> at
> com.sun.grizzly.comet.CometEngine.register(CometEngine.java:259)
> at
> com.sun.grizzly.comet.CometEngine.register(CometEngine.java:244)
> at com.test.MyServlet.init(MyServlet.java:63)
> at
> org
> .apache
> .catalina.core.StandardWrapper.initServlet(StandardWrapper.java:1428)
> at
> org
> .apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:
> 1060)
> at
> org
> .apache
> .catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:
> 187)
> at
> org
> .apache
> .catalina.core.StandardContextValve.invoke(StandardContextValve.java:
> 188)
> at
> org
> .apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:
> 641)
> at
> com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:97)
> at com.sun.enterprise.web.PESessionLockingStandardPipeline.invoke
> (PESessionLockingStandardPipeline.java:85)
> at
> org
> .apache
> .catalina.core.StandardHostValve.invoke(StandardHostValve.java:185)
> at
> org
> .apache
> .catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:332)
> at
> org
> .apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:
> 233)
> at
> com
> .sun
> .enterprise
> .v3.services.impl.ContainerMapper.service(ContainerMapper.java:165)
> at
> com.sun.grizzly.http.ProcessorTask.invokeAdapter(ProcessorTask.java:
> 791)
> at
> com.sun.grizzly.comet.CometEngine.executeServlet(CometEngine.java:473)
> at com.sun.grizzly.comet.CometEngine.handle(CometEngine.java:
> 341)
> at
> com
> .sun.grizzly.comet.CometAsyncFilter.doFilter(CometAsyncFilter.java:84)
> at
> com
> .sun
> .grizzly
> .arp.DefaultAsyncExecutor.invokeFilters(DefaultAsyncExecutor.java:161)
> at
> com
> .sun
> .grizzly
> .arp.DefaultAsyncExecutor.interrupt(DefaultAsyncExecutor.java:137)
> at
> com
> .sun.grizzly.arp.AsyncProcessorTask.doTask(AsyncProcessorTask.java:88)
> at com.sun.grizzly.http.TaskBase.run(TaskBase.java:189)
> at com.sun.grizzly.util.AbstractThreadPool
> $Worker.doWork(AbstractThreadPool.java:330)
> at com.sun.grizzly.util.AbstractThreadPool
> $Worker.run(AbstractThreadPool.java:309)
> at java.lang.Thread.run(Thread.java:619)
>
> Why is it trying to access the comet handler at this point? I
> haven't even created one at this stage as I am just trying to
> initialise the servlet.
>
> Here's the servlet's init() method where the problem is occurring:
>
> public void init(ServletConfig config) throws
> ServletException {
> super.init(config);
>
> ServletContext sc =
> config.getServletContext();
> String contextPath =
> sc.getContextPath() + "/MyServlet";
> cometContext =
> CometEngine.getEngine().register(contextPath);
> cometContext.setExpirationDelay(-1);
> }
>
> The relevant line is the call to register().
>
> As I said, this has been working fine with GlassFish v2. The only
> changes I made to port it to v3 were to change the import statements
> in all my comet-related classes.
>
> Why is this not working anymore? Do I need to change something else?
>
> Thanks,
>
> -JCT