Hivetables that point to JSON files as contents, these tables need JSON SerDe jar.
To add jar :
ADD JAR /<local-path>/json-serde-1.0.jar;
Hive tables that does not contain JSON (and does not require the SerDe), can be read the tables easily.
When it comes to the Hive tables that contain JSON data, it will look for dependencies jars to read the data.