Salut,
Thomas Gideon wrote:
> On Tue, May 5, 2009 at 1:52 PM, Jeanfrancois Arcand
> <Jeanfrancois.Arcand_at_sun.com> wrote:
>> Salut,
>>
>> Thomas Gideon wrote:
>>> I am still working on JFA's suggestion of how to use Grizzly's Comet
>>> support to move file uploads to their own threads. Our application is
>>> often used by an entire classroom at the same time and in a lab
>>> exercise all of the students may attempt to upload larger multimedia
>>> files over a slow link. We've definitely seen this consume our
>>> available request processing threads in Glassfish.
>>>
>>> I have mostly plumbed together the necessary pieces but am having
>>> trouble making my code work reliably under Glassfish 2.1. Sometimes
>>> it works perfectly, other times it encounters errors in the Coyote
>>> request classes.
>> Do you have the exact error?
>
> Yes, the most common error is:
>
> [#|2009-05-05T14:18:26.745-0400|SEVERE|sun-appserver2.1|com.learningobjects.tgideon.upload.UploadPro
> cessor|_ThreadID=19;_ThreadName=Thread-66;_RequestID=77375e21-72f9-42cd-9a4e-a10f829eb101;|java.lang
> .NullPointerException
> at com.sun.enterprise.web.connector.coyote.PwcCoyoteRequest.getFormHintFieldEncoding(PwcCoyo
> teRequest.java:238)
> at com.sun.enterprise.web.connector.coyote.PwcCoyoteRequest.setRequestEncodingFromSunWebXml(
> PwcCoyoteRequest.java:204)
> at com.sun.enterprise.web.connector.coyote.PwcCoyoteRequest.getCharacterEncoding(PwcCoyoteRe
> quest.java:124)
> at org.apache.coyote.tomcat5.CoyoteRequestFacade.getCharacterEncoding(CoyoteRequestFacade.ja
> va:372)
> at org.apache.commons.fileupload.servlet.ServletRequestContext.getCharacterEncoding(ServletR
> equestContext.java:64)
> at org.apache.commons.fileupload.FileUploadBase$FileItemIteratorImpl.<init>(FileUploadBase.j
> ava:809)
> at org.apache.commons.fileupload.FileUploadBase.getItemIterator(FileUploadBase.java:323)
> at org.apache.commons.fileupload.servlet.ServletFileUpload.getItemIterator(ServletFileUpload.java:148)
> at com.learningobjects.tgideon.upload.UploadProcessor.run(UploadProcessor.java:95)
> at java.lang.Thread.run(Thread.java:619)
Thanks. I'm able to reproduce the issue as well. Mainly, the Response
object is being resumed and then re-used, which cause that issue. I'm
looking at the code right now to see if this is an application error or
a Grizzly Comet issue.
Thanks!
-- Jeanfrancois
> |#]
>
>
> Thomas
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: users-unsubscribe_at_grizzly.dev.java.net
> For additional commands, e-mail: users-help_at_grizzly.dev.java.net
>