Ethan

DruidJerseyClient is not thread-safe

3

The connect() and close() methods in DruidJerseyClient class are not thread-safe which will throw an exception in a multi-threaded environment. 

The connect() and close() methods in DruidJerseyClient class are not thread-safe, the query() method may throw an exception in a multi-threaded environment.  I modified client with ThreadLocal, which is...