Alexis Barrera created WW-4345:
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Summary: 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
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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