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From "Wes Wannemacher (JIRA)" <>
Subject [jira] Commented: (WW-3128) struts2-rest-plugin incorrectly handles multipart/form-data content-type data
Date Tue, 02 Jun 2009 12:08:44 GMT


Wes Wannemacher commented on WW-3128:

Did you check a snapshot? I applied your patch against the trunk copy of the plugin, if you
want to test it then download from here -$struts2-rest-plugin/

If you need other dependencies, pick them up by following the links here -

> struts2-rest-plugin incorrectly handles multipart/form-data content-type data
> -----------------------------------------------------------------------------
>                 Key: WW-3128
>                 URL:
>             Project: Struts 2
>          Issue Type: Bug
>          Components: Plugin - REST
>    Affects Versions: 2.1.6
>            Reporter: Brian Ferris
>            Assignee: Wes Wannemacher
>             Fix For: 2.1.7
>         Attachments: struts2-rest-plugin-MultiPartFormDataHandler.patch
> When a POST request is made with "multipart/form-data" encoding, such as to upload a
file, the "DefaultContentTypeHandlerManager" has no custom input handler registered to handle
"multipart/form-data" data.  The plugin assumes a default input handler based on the request
extension.  In case of "xml" (which is also the default handler failing all else), the handler
attempts to parse the payload as xml, which results in an exception being thrown.
> The solution is to write a custom content-type handler similar to the "FormUrlEncodedHandler"
that ignores the form payload.  In addition, the "DefaultContentTypeHandlerManager" needs
to be modified, since the content-type of the form data is not actually "multipart/form-data",
but rather ""multipart/form-data; boundary=abcdefg".  Simple parsing is done to remove the
additional parameters of the content-type so that the proper handler can be correctly resolved.

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