users@jersey.java.net

[Jersey] Re: ClassCastException: org.glassfish.grizzly.http.util.MimeHeaders$1 cannot be cast to java.util.Enumeration

From: Farrukh Najmi <farrukh_at_wellfleetsoftware.com>
Date: Mon, 27 Feb 2012 07:43:04 -0500

Hi Glen,

All jars in my webstart app are signed.

For those familiar with teh code in the stack trace, any idea what might
be going on?

On 02/26/2012 02:48 PM, Glen Mazza wrote:
> IIRC java webstart does sandboxing--disallowing certain libraries and
> non-home remote calling ability
> (http://lopica.sourceforge.net/faq.html#servlet).
>
> Glen
>
> On 02/26/2012 01:17 PM, Farrukh Najmi wrote:
>>
>> I have a jersey REST endpoint exposed via an HttpServer created using
>> com.sun.jersey.api.container.grizzly2.GrizzlyServerFactory from
>> jersey 1.10 (with dependency org.glassfish.grizzly 2.1.2).
>>
>> The endpoint is packaged within a swing app and serves as a callback
>> endpoint for a pubusbhubbub subscriber. This endpoint is called by
>> the pubsubhubbub server to verify a subscribe request. The point of
>> all this is to keep the swing client synchronized with events that
>> transpire in my server in an event-driven manner.
>>
>> All is well when the pubsubhubbub server call the jersey endpoint in
>> my swing app when the swing app is run as a standalone java app.
>>
>> However, if I run the swing app via jnlp using java webstart I am
>> getting the following exception. It seems this likely is due to some
>> class loader issue and version mistmatch. Can any one guide me as to
>> how to diagnose this further?
>>
>> java.lang.ClassCastException:
>> org.glassfish.grizzly.http.util.MimeHeaders$1 cannot be cast to
>> java.util.Enumeration
>> at
>> org.glassfish.grizzly.servlet.HttpServletRequestImpl.getHeaderNames(HttpServletRequestImpl.java:822)
>> at
>> com.sun.jersey.spi.container.servlet.WebComponent.getHeaders(WebComponent.java:880)
>> at
>> com.sun.jersey.spi.container.servlet.WebComponent.createRequest(WebComponent.java:450)
>> at
>> com.sun.jersey.spi.container.servlet.WebComponent.service(WebComponent.java:380)
>> at
>> com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:537)
>> at
>> com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:708)
>> at javax.servlet.http.HttpServlet.service(HttpServlet.java:848)
>> at
>> org.glassfish.grizzly.servlet.ServletHandler$FilterChainImpl.doFilter(ServletHandler.java:985)
>> at
>> org.glassfish.grizzly.servlet.ServletHandler$FilterChainImpl.invokeFilterChain(ServletHandler.java:928)
>> at
>> org.glassfish.grizzly.servlet.ServletHandler.doServletService(ServletHandler.java:382)
>> at
>> org.glassfish.grizzly.servlet.ServletHandler.service(ServletHandler.java:330)
>> at
>> org.glassfish.grizzly.http.server.HttpHandler.doHandle(HttpHandler.java:163)
>> at
>> org.glassfish.grizzly.http.server.HttpHandlerChain.service(HttpHandlerChain.java:195)
>> at
>> org.glassfish.grizzly.http.server.HttpHandler.doHandle(HttpHandler.java:163)
>> at
>> org.glassfish.grizzly.http.server.HttpServerFilter.handleRead(HttpServerFilter.java:158)
>> at
>> org.glassfish.grizzly.filterchain.ExecutorResolver$9.execute(ExecutorResolver.java:119)
>> at
>> org.glassfish.grizzly.filterchain.DefaultFilterChain.executeFilter(DefaultFilterChain.java:286)
>> at
>> org.glassfish.grizzly.filterchain.DefaultFilterChain.executeChainPart(DefaultFilterChain.java:223)
>> at
>> org.glassfish.grizzly.filterchain.DefaultFilterChain.execute(DefaultFilterChain.java:155)
>> at
>> org.glassfish.grizzly.filterchain.DefaultFilterChain.process(DefaultFilterChain.java:134)
>> at
>> org.glassfish.grizzly.ProcessorExecutor.execute(ProcessorExecutor.java:78)
>> at
>> org.glassfish.grizzly.nio.transport.TCPNIOTransport.fireIOEvent(TCPNIOTransport.java:827)
>> at
>> org.glassfish.grizzly.strategies.AbstractIOStrategy.fireIOEvent(AbstractIOStrategy.java:103)
>> at
>> org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.run0(WorkerThreadIOStrategy.java:111)
>> at
>> org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.access$100(WorkerThreadIOStrategy.java:55)
>> at
>> org.glassfish.grizzly.strategies.WorkerThreadIOStrategy$WorkerThreadRunnable.run(WorkerThreadIOStrategy.java:131)
>> at
>> org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:508)
>> at
>> org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.run(AbstractThreadPool.java:488)
>> at java.lang.Thread.run(Thread.java:619)
>>
>
>


-- 
Regards,
Farrukh Najmi
Web: http://www.wellfleetsoftware.com