Invalid JSON (1:4), found unexpected character 'm' au.com.dius.pact.core.support.json.JsonException: Invalid JSON (1:4), found unexpected character 'm' we are getting this error from provider side when we try to run the tests. we are using version 4.6.1. any pointers could help .

I would raise that in pact-jvm and have a read of https://docs.pact.io/help/how_to_ask_for_help