[jira] Created: (AXIS2-4503) Overwrite HTTP Header in order to improve interoperability

["Thomas Michelbach (JIRA)" <ji...@apache.org>]

Overwrite HTTP Header in order to improve interoperability
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                 Key: AXIS2-4503
                 URL: https://issues.apache.org/jira/browse/AXIS2-4503
             Project: Axis 2.0 (Axis2)
          Issue Type: Improvement
          Components: transports
    Affects Versions: 1.3, 1.4, 1.4.1, 1.5
         Environment: N.A.
            Reporter: Thomas Michelbach


Issue number AXIS2-4219 was closed because the desired functionality was not being interpreted correctly. 

But in my view there are cases where HTTP header overwriting is desired because of interoperability issues.

Some servers do not support chunking and only implement HTTP 1.0. Therefore there are some limitations how to handle incoming data, specially when this data is quite large.

In that case it is desired to change the content type of the HTTP header, in order to inform the application server to handle this special content differently.

The content type would be set to application/octet-stream, in order to inform an application server to passthrough the stream of data and do not start parsing the XML content.

I am trying to use following API:
_serviceClient.getOptions().setProperty(org.apache.axis2.transport.http.HTTPConstants.HEADER_CONTENT_TYPE,"application/octet-stream");

Remark: Currently the HTTP header cannot be overwritten, but new can be added. In other words, it is possible to set two content types in the same header. 

The SOAP specification DOES enforce the text/xml content type: http://www.w3.org/TR/2000/NOTE-SOAP-20000508/ 

"HTTP applications MUST use the media type "text/xml" according to RFC 2376 [3] when including SOAP entity bodies in HTTP messages."

But the cited RFC  2376   DOES also do an explicit exception: http://www.normos.org/ietf/rfc/rfc2376.html,

In the RFC it is defined like: "Every XML entity is suitable for use with the application/xml media type without modification. But this does not exploit the fact that XML can be treated as plain text in many cases. MIME user agents (and web user agents) that do not have explicit support for application/xml will treat it as application/octet-stream, for example, by offering to save it to a file."


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