噴霧設置內容類型的XML

Question

當試圖發送一個xml內容類型的MIME頭

sender ! HttpResponse(status = 200, entity = responseBody, headers = List(`Content-Type`(`text/xml`))) 

我得到的錯誤：

not found: value text/xml 

我的應用程序/ XML裏面也沒有試過工作要麼應用程序/ JSON的作品FWIW

是否有一些進口缺失？

編輯：試圖添加此

import spray.http.MediaTypes._ 
sender ! HttpResponse(status = 400, entity = responseBody, headers = List(`Content-Type`(`application/xml`))) 

這給了以下錯誤：

Explicitly set response header 'Content-Type: application/xml' is 
ignored, the response Content-Type is set via the response's HttpEntity! 

Answer 1

import spray.http.HttpEntity  
sender ! HttpResponse(status = 200, entity = httpEntity(`application/xml`,responseBody)) 

相關文件

http://spray.io/documentation/1.2.2/spray-http/#content-type-header