When a request body containing a non UTF-8 character is received, it results in a JSON parse error displaying the message: "Invalid UTF-8 start byte 0

Encountering an exception while trying to parse the JSON request body,

The issue arises from a special character "®" (non UTF-8) in the request body, leading to parsing failure. How can one effectively handle non UTF-8 characters within the request body?

{
    "fields": [
        {
            "fieldLabel": "data®"
        }
    ]
}

The objective is to successfully save the object with the special character, but finding a suitable solution has proven challenging through research efforts. Any assistance on this matter would be greatly appreciated.

org.springframework.http.converter.HttpMessageNotReadableException: JSON parse error: Invalid UTF-8 start byte 0xae; nested exception is com.fasterxml.jackson.databind.JsonMappingException: Invalid UTF-8 start byte 0xae
 at [Source: (PushbackInputStream); line: 1, column: 907] (through reference chain: java.util.ArrayList[0]->com.model.TableDefinition["field"]->java.util.ArrayList[1]->com.model.FieldDefinition["fieldLabel"])

Answer №1

By including the string ""charset=UTF-8"" in the content type of the headers, I was able to successfully fix the problem:

headers.set(HttpHeaders.CONTENT_TYPE, MediaType.APPLICATION_JSON.toString()  + ";charset=UTF-8")

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