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From "Stanley Hillner (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HTTPCLIENT-1516) URL-encoded form paramters - missing '=' for null-values
Date Mon, 16 Jun 2014 09:27:01 GMT
Stanley Hillner created HTTPCLIENT-1516:

             Summary: URL-encoded form paramters - missing '=' for null-values
                 Key: HTTPCLIENT-1516
                 URL: https://issues.apache.org/jira/browse/HTTPCLIENT-1516
             Project: HttpComponents HttpClient
          Issue Type: Bug
          Components: HttpClient
    Affects Versions: 4.3.4, 4.3.3, 4.3.2, 4.2.6, 4.3.5
            Reporter: Stanley Hillner

If you pass {{null}} as the value for a post parameter and use URL-encoded form parameters
the Method {{org.apache.http.client.utils.URLEncodedUtils#format}} omits the separator character
({{=}}) for this parameter which results in urls like the following.
In this case parameter {{b}} was assigned {{null}} as its value.

It is not totally clear if the key/value separator character must be present even if the value
is omitted (RFC 1738 doesn't handle this case) but this implementation leads to incompatibilities
to other systems.

I encountered this issue with httpclient 4.2.1 on the one side and undertow web server shipped
with Wildfly 8.0.0.Final.

I also opened an issue for undertow just to clarify the correct handling of null-values for
url-parameters: [https://issues.jboss.org/browse/UNDERTOW-258]

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