If you're using Java Chronicle it might be a Cleanup problem. Either add @ignore to the test or delete the memory map file and do it again.
If you're using Facebook API, they now use OAuth2, so your URL should contain version number, like this:
You're inputing information in a way the Json Parser can't understand. This page might enlighten you a little: https://goo.gl/g5wrvy
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.
You have a different solution? A short tip here would help you and many other users who saw this issue last week.
- com.fasterxml.jackson.core.JsonParseException: Unrecognized token 'Hello': was expecting ('true', 'false' or 'null') at [Source: java.io.StringReader@4983a458; line: 1, column: 6] at com.fasterxml.jackson.core.JsonParser._constructError(JsonParser.java:1419)