1) Download log4jdbc driver from here, and place it in <API_HOME>/repository/components/lib/ directory.
Note: Make sure to have the JDBC driver corresponding to your database server too in the same directory.
2) In master-datasources.xml,
i) Change JDBC url like this. (note :log4jdbc: part)
<url>jdbc:log4jdbc:mysql://localhost:3306/AM_DB</url>ii) Set JDBC driver class like this.
<driverClassName>net.sf.log4jdbc.DriverSpy</driverClassName>3) Add following to log4j.properties file.
log4j.logger.jdbc.sqlonly=INFO4) Restart the server, and you'll see logs like this.
log4j.logger.jdbc.sqltiming=INFO
log4j.logger.jdbc.audit=OFF
log4j.logger.jdbc.resultset=ERROR
log4j.logger.jdbc.connection=ERROR
[2016-07-28 21:25:27,719] INFO - sqltiming SELECT ID, NAME, IS_ENABLED, DISPLAY_NAME FROM IDP_AUTHENTICATOR WHERE IDP_ID = 1
{executed in 5 msec}
[2016-07-28 21:25:27,720] INFO - sqltiming SELECT PROPERTY_KEY, PROPERTY_VALUE, IS_SECRET FROM IDP_AUTHENTICATOR_PROPERTY WHERE AUTHENTICATOR_ID = 1
{executed in 0 msec}