Application instrumented using CA APM Introscope and the SQL metrics are showing "Unknown SQL" in the Introscope Investigator,
mysql-connector-java version: 5.1.39
MySQL Version 5.6.10
MySQL Version 5.7,16-10-57
Engineering has provided a solution that may resolve this scenario for you.
Contact CA Support and refer to Defect DE348157 to obtain the possible solution