JSON Invalid UTF-8 middle byte

Question

This error happens when the  Jackson  this case  JSON engine tries to parse some JSON that is not encoded in UTF-8   How to tell the engine that it should expect something different from UTF-8  such as UTF-16   HttpHeaders requestHeaders   createSomeHeader    RestTemplate restTemplate   new RestTemplate    HttpEntity lt   gt  requestEntity   new HttpEntity lt Object gt  requestHeaders   String url    someurl  ResponseEntity lt MyObject   gt  arrayResponseEntity   restTemplate exchange url  HttpMethod GET  requestEntity  MyObject   class     error log   Caused by  org springframework http converter HttpMessageNotReadableException  Could not read JSON  Invalid UTF-8 middle byte 0x20 at  Source  org apache http conn EofSensorInputStream 44d397b0  line  92  column  42   nested exception is org codehaus jackson JsonParseException  Invalid UTF-8 middle byte 0x20 at  Source  org apache http conn EofSensorInputStream 44d397b0  line  92  column  42  at org springframework http converter json MappingJacksonHttpMessageConverter readInternal MappingJacksonHttpMessageConverter java 138  at org springframework http converter AbstractHttpMessageConverter read AbstractHttpMessageConverter java 154  at org springframework web client HttpMessageConverterExtractor extractData HttpMessageConverterExtractor java 74  at org springframework web client RestTemplate ResponseEntityResponseExtractor extractData RestTemplate java 622  at org springframework web client RestTemplate ResponseEntityResponseExtractor extractData RestTemplate java 608  at org springframework web client RestTemplate doExecute RestTemplate java 449  at org springframework web client RestTemplate execute RestTemplate java 404  at org springframework web client RestTemplate exchange RestTemplate java 380      4 more Caused by  org codehaus jackson JsonParseException  Invalid UTF-8 middle byte 0x20 at  Source  org apache http conn EofSensorInputStream 44d397b0  line  92  column  42  at org codehaus jackson JsonParser  constructError JsonParser java 1213  at org codehaus jackson impl JsonParserMinimalBase  reportError JsonParserMinimalBase java 375  at org codehaus jackson impl Utf8StreamParser  reportInvalidOther Utf8StreamParser java 2132  at org codehaus jackson impl Utf8StreamParser  reportInvalidOther Utf8StreamParser java 2139  at org codehaus jackson impl Utf8StreamParser  decodeUtf8 3fast Utf8StreamParser java 1962

User · Accepted Answer

JSON data must be encoded as UTF-8  UTF-16 or UTF-32  The JSON decoder can determine the encoding by examining the first four octets of the byte stream          00 00 00 xx  UTF-32BE        00 xx 00 xx  UTF-16BE        xx 00 00 00  UTF-32LE        xx 00 xx 00  UTF-16LE        xx xx xx xx  UTF-8   It sounds like the server is encoding data in some illegal encoding  ISO-8859-1  windows-1252  etc

JSON Invalid UTF-8 middle byte

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