Http 415 Unsupported Media type error with JSON

Question

I am calling a REST service with a JSON request and it responds with a HTTP 415  Unsupported Media Type  error    The request content type is set to   Content-Type    application json  charset utf8     It works fine if I don t include a JSON object in the request  I am using the google-gson-2 2 4 library for JSON    I tried using a couple of different libraries but it made no difference   Can anybody please help me to resolve this    Here is my code    public static void main String   args  throws Exception        JsonObject requestJson   new JsonObject        String url    xxx          method call for generating json      requestJson   generateJSON        URL myurl   new URL url       HttpURLConnection con    HttpURLConnection myurl openConnection        con setDoOutput true       con setDoInput true        con setRequestProperty  Content-Type    application json  charset utf8        con setRequestProperty  Accept    application json        con setRequestProperty  Method    POST        OutputStream os   con getOutputStream        os write requestJson toString   getBytes  UTF-8         os close          StringBuilder sb   new StringBuilder          int HttpResult  con getResponseCode        if HttpResult   HttpURLConnection HTTP OK       BufferedReader br   new BufferedReader new   InputStreamReader con getInputStream    utf-8                String line   null          while   line   br readLine       null              sb append line     n                         br close              System out println    sb toString             else          System out println con getResponseCode             System out println con getResponseMessage                  public static JsonObject generateJSON    throws MalformedURLException       String s    http   www example com           s replaceAll                  JsonObject reqparam new JsonObject        reqparam addProperty  type    arl        reqparam addProperty  action    remove        reqparam addProperty  domain    staging        reqparam addProperty  objects   s       return reqparam         The value of requestJson toString   is        type   arl   action   remove   domain   staging   objects   http   www example com

User · Accepted Answer

Not sure about the reason but Removing lines charset utf8 from  con setRequestProperty  Content-Type    application json  charset utf8   resolved the issue

User · Answer

I was sending  delete  rest request and it failed with 415  I saw what content-type my server uses to hit the api  In my case  It was  application json  instead of  application json  charset utf8    So ask from your api developer And in the meantime try sending request with content-type   application json  only

User · Answer

Add the HTTP header manager and add in it your API s header names and values  e g  Content-type  Accept  etc  That will resolve your issue

User · Answer

This is because charset utf8 should be without a space after application json  That will work fine  Use it like application json charset utf-8

User · Answer

Some times Charset Metada breaks the json while sending in the request  Better  not use charset utf8 in the request type

User · Answer

I have also faced this issue when working REST service with a JSON request and it responds with a HTTP 415  quot Unsupported Media Type quot  error  These lines of codes will help you to resolve the issue   headers     quot Content-Type quot    quot application json quot    quot accept quot    quot   quot      After that  you should write code to encode the JSON body  For an example   body  jsonEncode   quot username quot   username   quot password quot   password

User · Answer

Add Content-Type  application json and Accept  application json

User · Answer

If you are using AJAX jQuery Request this is a must to apply  If not it will throw you 415 Error   dataType   json   contentType  application json

User · Answer

If you get this in React RSAA middleware or similar  Add the headers     method   POST     headers         Content-Type    application json          body  JSON stringify model

User · Answer

I had the same issue  My problem was complicated object for serialization  One attribute of my object was Map lt Object1  List lt Object2 gt  gt    I changed this attribute like List lt Object3 gt  where Object3 contains Object1 and Object2 and everything works fine

User · Answer

The 415  Unsupported Media Type  status code indicates that the      origin server is refusing to service the request because the payload      is in a format not supported by this method on the target resource       The format problem might be due to the request s indicated      Content-Type or Content-Encoding  or as a result of inspecting the      data directly    DOC

User · Answer

Add MappingJackson2HttpMessageConverter manually in configuration solved the problem for me     EnableWebMvc  Configuration  ComponentScan public class RestConfiguration extends WebMvcConfigurerAdapter         Override     public void configureMessageConverters List lt HttpMessageConverter lt   gt  gt  messageConverters            messageConverters add new MappingJackson2HttpMessageConverter             super configureMessageConverters messageConverters

User · Answer

If you are making jquery ajax request  dont forget to add   contentType  application json

User · Answer

The reason can be not adding  annotation-driven  in your dispatcher servlet xml file  and also it may be due to not adding  as application json in the headers

User · Answer

I fixed this by updating the Request class that my Controller receives   I removed the following class level annotation from my Request class on my server side  After that my client didn t get 415 error   import javax xml bind annotation XmlRootElement   XmlRootElement

User · Answer

I know this is way too late to help the OP with his problem  but to all of us who is just encountering this problem   I had solved this issue by removing the constructor with parameters of my Class which was meant to hold the json data

User · Answer

HttpVerb needs its headers as a dictionary of key-value pairs headers     Content-Type    application json    charset    utf-8

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