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From "Jochen Wiedmann (JIRA)" <j...@apache.org>
Subject [jira] Commented: (FILEUPLOAD-143) "Stream ended unexpectedly"
Date Mon, 13 Aug 2007 20:21:30 GMT

    [ https://issues.apache.org/jira/browse/FILEUPLOAD-143?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12519513
] 

Jochen Wiedmann commented on FILEUPLOAD-143:
--------------------------------------------

I notice, that my suggestion is consistent with the following quote from

http://livedocs.adobe.com/flash/8/main/wwhelp/wwhimpl/common/html/wwhelp.htm?context=LiveDocs_Parts&file=00002225.html

 AJKERR SAID ON JAN 11, 2006 AT 12:34 PM :

    IN ORDER TO GET FILE UPLOADING TO WORK WITH FLASH PLAYER 8 AND JAKARTA COMMONS FILE UPLOAD
ON THE SERVER, WE HAD TO PATCH THE FILE UPLOAD SERVER CODE TO IGNORE THE EXCEPTION THAT WAS
(CORRECTLY) BEING THROWN ON THE SERVER WHEN THE LAST SECTION IS PROCESSED.

    THE CLASS THAT NEEDS TO BE PATCHED IS ORG.APACHE.COMMONS.FILEUPLOAD.FILEUPLOADBASE.

    YOU'LL NEED TO REPLACE LINE 336:
    MAP HEADERS = PARSEHEADERS(MULTI.READHEADERS());

    ...WITH THE FOLLOWING CODE:
    MAP HEADERS = NULL;
    TRY
    {
    HEADERS = PARSEHEADERS(MULTI.READHEADERS());
    }
    CATCH (MULTIPARTSTREAM.MALFORMEDSTREAMEXCEPTION E)
    {
    RETURN ITEMS;
    }

    NOT THE MOST ELEGANT FIX, BUT IT WORKS AS A STOPGAP UNTIL MACROMEDIA RELEASES AN UPDATE
TO THE FLASH 8 PLAYER.


> "Stream ended unexpectedly"
> ---------------------------
>
>                 Key: FILEUPLOAD-143
>                 URL: https://issues.apache.org/jira/browse/FILEUPLOAD-143
>             Project: Commons FileUpload
>          Issue Type: Bug
>    Affects Versions: 1.2
>         Environment: CentOS 4.4, Jetty running through Red5 (form of Flash Media Server),
code under JSP
>            Reporter: Luke Scott
>
> I setup an upload script under a JSP. I tested it by uploading a file via html form upload
and it worked fine - the file was received.
> But when I tried uploading the file through a flash interface using the FileReference
object I got a 500 error response. Flash's FileReference API was very vague, and I was unable
to reproduce the error under another interface so I could see the error.... But I finnally
did get something back by writing a catch and writing the error to a file. I don't know if
this is accurate or not:
> "Stream ended unexpectedly"
> I do know that the error occurs when this line is ran:
> List items = upload.parseRequest(request);
> And here is some relevant code, but not all of it: (to show that I do have a factory
set):
> DiskFileItemFactory factory = new DiskFileItemFactory();
> factory.setSizeThreshold(524288000);
> ServletFileUpload upload = new ServletFileUpload(factory);
> upload.setSizeMax(524288000);
> List items = upload.parseRequest(request);
> I am fairly sure that flash is doing something that is throwing commons-fileupload off.
But it does work with apache & php...
> The biggest difference in the headers, or at least the initial headers, is flash passes
a "connection: close" header.
> When searching I came up with some vague answers. This page shows some comments at the
bottom by users with similar problems:
> http://livedocs.adobe.com/flash/8/main/wwhelp/wwhimpl/common/html/wwhelp.htm?context=LiveDocs_Parts&file=00002225.html
> One guy posts a solution to fix the problem, but it seems like it is severely out of
date because where it says "return items;" I do not see items declared in the function of
the line he mentions. Plus he mentions line 336, and it's now on 800 something. Tried his
suggestion but instead returned "true" and "false" (tried both ways) but it didn't work...
Also when I tried his catch line ant said it was invalid, so I had to put "Exception e" instead.
You may notice that his post is in all caps (posts after his appear to be for some reason).
I did make sure to use the proper case (i do know of case sensitivity).
> With further reading I read instances where flash did a "test upload" without sending
the file. In other cases I read something about it not sending to blank lines after the header.
Not sure what my current problem is.... I'm sure once the problem is found, it should be fairly
trivial to fix (i hope).
> Even though it may be flash's fault, it works in PHP and other instances... So it should
work here :)
> Thanks in advance,
> -Luke

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