[TOMAHAWK-249] ExtensionFilter does not play nice with other filters performing file uploads

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.1.2-SNAPSHOT
• Component/s: File Upload
• Environment: Generic issue.
• Assignee: Matthias Wessendorf
• Reporter: Adam Winer
• Created: 13/Apr/06 08:25
• Updated: 17/Apr/06 21:09
• Resolved: 13/Apr/06 15:50

Description

If you have both the ExtensionsFilter and the AdfFacesFilter installed (both are required by the respective libraries), and the ExtensionsFilter goes first, any page containing a file upload will fail (non-upload fields, everything). This is because both filters are attempting to process the upload. If you flip the order, things (should) work.

In theory, you might say "don't have two filters trying to do file upload", but in practice, a lot of filters serve multiple purposes, so it's not nearly that simple.

Simple fix, though: MultipartRequestWrapper needs to override getContentType() to indicate to the system that it has processed the file upload (and prevent any other filters from doing so); just add:

public String getContentType()

{ return "application/x-www-form-urlencoded"; }