Hi Farrukh,
it's a bug, can I ask you to file an issue?
Will fix this asap.
Thanks.
WBR,
Alexey.
On 02/27/2012 01:45 PM, Farrukh Najmi wrote:
> Hi Guys,
>
> I have a jersey server endpoint exposed via an HttpServer created
> using com.sun.jersey.api.container.grizzly2.GrizzlyServerFactory from
> jersey 1.10 (with dependency
> org.glassfish.grizzly.servlet.HttpServletRequestImpl from grizzly 2.1.2).
>
> The jersey server is within a Swing app and is used to sync the Swing
> app with changes in teh rest of the system.
>
> Everything works great when I run my Swing app standalone. However, if
> I package my Swing app as a webstart application with signed jars and
> access it via java webstart / jnlp I get teh following exception
> during request header processing:
>
> 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)
>
>
> Having debugged it I find that the problem seems to be in
> org.glassfish.grizzly.servlet.HttpServletRequestImpl method "public
> Enumeration getHeaderNames()" when (System.getSecurityManager() !=
> null) is true. In my case System.getSecurityManager() returns a
> com.sun.javas.security.JavaWebstartSecurityManager instance.
>
> Debugger shows that the following code:
>
> AccessController.doPrivileged(
> new GetHeaderNamesPrivilegedAction())
>
> returns a org.glassfish.grizzly.htt.util.MimeHeaders.$1 rather than an
> Enumeration which results in a ClassCastException.
>
> If I set the System.getSecurityManager() to null in debugger then else
> clause for the if is executed instead and all is well. Thsi explains
> why in standalone mode things work.
>
> This is a complex problem involving many moving parts and I would be
> very grateful if someone from the dev team could please tell me if
> this is a known issue, is it a problem in Glassfish or is it in
> Grizzly, if there are any workarounds or anything else that will help
> and where to go from here.
>
> Thank you for your help.
>