Why is my \"application/json; charset=utf8\" request producing a 415 error?

HTTP 415 Unsupported Media Type Error with JSON: Troubleshooting and Resolution

When working with REST services and JSON requests, receiving an HTTP 415 "Unsupported Media Type" error can be a frustrating roadblock. This error indicates that the server cannot process the request's payload because the specified media type is not supported.

In this specific scenario, the developer is attempting to send a JSON request with a content type of "application/json; charset=utf8" but encounters a 415 error. The error persists even after using different JSON libraries.

Addressing the Issue

The solution to this problem lies in removing the "charset=utf8" part from the "Content-Type" request property. Here's the corrected code:

<code class="java">con.setRequestProperty("Content-Type", "application/json");</code>

By removing "charset=utf8," the issue is resolved, allowing the request to be processed correctly.

While the reason for this behavior may not be immediately clear, it's worth noting that some servers may be more strictly compliant with HTTP standards and may expect the "charset" property to be specified separately in the "Accept-Charset" header.

By following this corrected code, you should be able to resolve the HTTP 415 error and successfully send JSON requests to the REST service.

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