Bug 20726 – File upload failing to set Content-Type: application/octet-stream

• Status: UNCONFIRMED
• Component: Forms

[M Schneider]

Submitting an
  input type="file"
with an unknown binary file type results in the server not handling the file correctly.

This appears to be an issue on Windows where MIMETypeRegistry::getMIMETypeForExtension doesn't return a default of
"application/octet-stream" when the MIME type is unknown.

This results in no Content-Type line being sent to the server, which in turn keeps the server from processing the file properly.

The file type that originally experienced this issue was a dbase III+ dbf. See the url for a sample file.

[Jon@Chromium]

Also reported to chromium. http://code.google.com/p/chromium/issues/detail?id=1269

[Cuchaz]

This is also a problem in Google Chrome for linux, so it might not be a windows-only issue. On the server side, Struts2 thinks the content-type is null for such files. I'm not sure what headers are actually being sent.