Hive JSON SerDe - ClassCastException: java.lang。不能将整数转换为java.lang.Double。

I'm trying to use Hive JSON SerDe to put Twitter JSON into Hive tables. I first import the JSON into one table defined by ROW FORMAT SERDE and then import it to another table stored as an RCFile. It works up to a point but then I get a ClassCastException of the following nature:I'm trying to use Hive JSON SerDe to put Twitte