```java private static String JDBC_DRIVER = "com.cloudera.impala.jdbc.Driver"; private static String CONNECTION_URL ="jdbc:impala://127.0.0.1:21050/;LogLevel=5;UseNativeQuery=1"; ``` Found in logs  ```log Adding THandleIdentifier(guid:52 BF 8E A3 7D E8 47 B6 00 00 00 00 3B FB 5C 30, secret:29 1B CE 80 42 7C 45 91 93 B8 4E 77 56 C3 0E D6) to the heart beat operation handle list. ``` the guid is something about query id in profile  Query (id=b647e87da38ebf52:305cfb3b00000000)   ... View more