Response headers are of type 'text/html' but should be of type 'text/xml'

[adrianlogue]

For the most part this issue doesn't affect that many SOAP clients, but I have observed that some .NET SOAP clients attempting to consume a web service from Silverstripe will fail with the following error:

Client found response content type of 'text/html; charset="utf-8"', but expected 'text/xml'.
The request failed with an empty response.

The solution is simply to explicitly set the content type in the index() action with a line of code like this:

$this->getResponse()->addHeader("Content-Type", "text/xml; charset=utf-8"); 

Note that a similar explicit setting of the header already occurs in the wsdl() action, I believe it is an oversight that it isn't also in the index() action.

Thanks & regards,
Adrian Logue