Unable to deserialize response

Samebug tips4


You're inputing information in a way the Json Parser can't understand. This page might enlighten you a little:


Check if you forgot to set the "data" field inside your request. If you did set it, check if it's being serialized before sending, and if it's being serialized the right way.

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Solutions on the web332

  • via GitHub by ospavel
  • via GitHub by JGarCo
  • Stack trace

    • org.telegram.telegrambots.exceptions.TelegramApiRequestException: Unable to deserialize response at org.telegram.telegrambots.api.methods.updates.GetUpdates.deserializeResponse( at org.telegram.telegrambots.updatesreceivers.DefaultBotSession$ Caused by: com.fasterxml.jackson.core.JsonParseException: Unexpected character ('<' (code 60)): expected a valid value (number, String, array, object, 'true', ' false' or 'null') at [Source: <html> <head><title>502 Bad Gateway</title></head> <body bgcolor="white"> <center><h1>502 Bad Gateway</h1></center> <hr><center>nginx/1.10.0</center> </body> </html> ; line: 1, column: 2] at com.fasterxml.jackson.core.JsonParser._constructError( at com.fasterxml.jackson.core.base.ParserMinimalBase._reportError( at com.fasterxml.jackson.core.base.ParserMinimalBase._reportUnexpectedChar( at com.fasterxml.jackson.core.json.ReaderBasedJsonParser._handleOddValue( at com.fasterxml.jackson.core.json.ReaderBasedJsonParser.nextToken( at com.fasterxml.jackson.databind.ObjectMapper._initForReading( at com.fasterxml.jackson.databind.ObjectMapper._readMapAndClose( at com.fasterxml.jackson.databind.ObjectMapper.readValue( at org.telegram.telegrambots.api.methods.updates.GetUpdates.deserializeResponse( ... 1 more

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