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From "Dobes Vandermeer (JIRA)" <>
Subject [jira] Created: (CXF-3147) FormParam parsing fails when no content-type is provided
Date Tue, 23 Nov 2010 17:00:20 GMT
FormParam parsing fails when no content-type is provided

                 Key: CXF-3147
             Project: CXF
          Issue Type: Bug
          Components: JAX-RS
    Affects Versions: 2.3.0
            Reporter: Dobes Vandermeer
            Priority: Trivial

Ran into this writing unit tests - if no Content-Type is provided when doing a POST, some
code handles a null media type and some doesn't:

In org.apache.cxf.jaxrs.utils.JAXRSUtils.processFormParam(Message, String, Class<?>,
Type, String, boolean) it treats a null media type as if it was the same as the form media

if (mt == null || mt.isCompatible(MediaType.APPLICATION_FORM_URLENCODED_TYPE))

However, when reading the body of the form fields, it calls getCharset(mt) to get the character
set to use when decoding the form fields, which doesn't check for null and thus throws an

Either the null media type should fall through and return an error (wrong content type) or
it should be handled.

Suggested fix: In org.apache.cxf.jaxrs.utils.FormUtils.getCharset(MediaType), add if(mt ==
null) return "UTF-8"; to the start of the method.

Easy workaround: only use clients that provide a content type for form field POSTs

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