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OpenAPIDeserializer produces message with location that omits the mediaType

See original GitHub issue

The OpenAPIDeserializer is generally good at indicating where an error was encountered. However, in the case below, it produces a message

attribute paths.'/myPath'(get).responses.200.content.bar is unexpected

It should instead read

attribute paths.'/myPath'(get).responses.200.content.'application/json'.bar is unexpected

How to reproduce:

Store this file as input.yaml.

input.yaml.gz

Store this file as ParseOpenAPI3File.java.

ParseOpenAPI3File.java.gz

Compile it with a classpath that contains slf4j-api-1.5.8.jar slf4j-jdk14-1.5.8.jar jackson-core-2.9.9.jar jackson-dataformat-yaml-2.9.9.jar jackson-databind-2.9.9.jar jackson-annotations-2.9.9.jar commons-io-1.4.jar commons-lang3-3.1.jar swagger-models-2.0.8.jar swagger-parser-v3-2.0.12.jar swagger-core-2.0.8.jar swagger-parser-core-2.0.12.jar snakeyaml.jar