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https://issues.apache.org/jira/browse/WW-4345?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14102586#comment-14102586
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Alexis Barrera commented on WW-4345:
------------------------------------
I've branched d749bb8f7a4d7b0007e088385d8a0c9387d63618 in our clone of the
official Struts repository, and will experiment with that version to figure out
what's going on.
In the mean time, feel free to reverse commit
8aa4fe860693d29e5ef94026bf2a7532ed74b9ea since we would hate to hold up any
releases on your end!
> Struts Dispatcher gobbles up request parameters
> -----------------------------------------------
>
> Key: WW-4345
> URL: https://issues.apache.org/jira/browse/WW-4345
> Project: Struts 2
> Issue Type: Bug
> Components: Dispatch Filter
> Affects Versions: 2.3.16.3
> Reporter: Alexis Barrera
> Assignee: Lukasz Lenart
> Fix For: 2.3.18
>
> Attachments: mulipart-patch.diff
>
>
> Unfortunately, I'm passing this ticket on to you second-hand so please bear
> with me.
> Since at least version 2.3.3 we have had a problem with Struts and
> multipart/form uploads. The problem is intermittent and we'd had a really
> hard time getting it to occur consistently on all our servers, but it seems
> to happen pretty reliably on Red Hat.
> The problem is basically this: When a multipart upload is received by Struts,
> the action responsible for the request is instantiated without any
> information about the upload. We expect to get the file name/type/content as
> per: http://struts.apache.org/release/2.3.x/docs/file-upload.html but get
> null values instead.
> We were able to track the problem back into the
> org.apache.struts2.dispatcher.Dispatcher a while back and circumvented the
> issue as you can see in the attached patch ... but we don't know enough about
> Struts to figure out if a fix should be applied elsewhere.
> It's entirely possible we're using Struts wrong, but we tried pretty hard to
> find the right upload configuration and couldn't get reliable results until
> we patched.
> Please let me know if need more information to reproduce the problem. Our CMS
> is behind a firewall, so I can't point you to a live page but would be glad
> to give you more details about the JARs we use and how we have Struts
> configured.
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