Caused by: java.sql.SQLException: Access denied for user 'root'@'localhost'
    at org.mariadb.jdbc.internal.protocol.AbstractConnectProtocol.authentication(AbstractConnectProtocol.java:856) ~[mariadb-java-client-2.2.6.jar:?]
    at org.mariadb.jdbc.internal.protocol.AbstractConnectProtocol.handleConnectionPhases(AbstractConnectProtocol.java:777) ~[mariadb-java-client-2.2.6.jar:?]
    at org.mariadb.jdbc.internal.protocol.AbstractConnectProtocol.connect(AbstractConnectProtocol.java:451) ~[mariadb-java-client-2.2.6.jar:?]
    at org.mariadb.jdbc.internal.protocol.AbstractConnectProtocol.connectWithoutProxy(AbstractConnectProtocol.java:1109) ~[mariadb-java-client-2.2.6.jar:?]
    at org.mariadb.jdbc.internal.util.Utils.retrieveProxy(Utils.java:503) ~[mariadb-java-client-2.2.6.jar:?]
    at org.mariadb.jdbc.MariaDbConnection.newConnection(MariaDbConnection.java:155) ~[mariadb-java-client-2.2.6.jar:?]
    at org.mariadb.jdbc.Driver.connect(Driver.java:86) ~[mariadb-java-client-2.2.6.jar:?]
    at org.apache.commons.dbcp2.DriverConnectionFactory.createConnection(DriverConnectionFactory.java:38) ~[commons-dbcp2-2.3.0.jar:2.3.0]
    at org.apache.commons.dbcp2.PoolableConnectionFactory.makeObject(PoolableConnectionFactory.java:260) ~[commons-dbcp2-2.3.0.jar:2.3.0]
    at org.apache.commons.dbcp2.BasicDataSource.validateConnectionFactory(BasicDataSource.java:2326) ~[commons-dbcp2-2.3.0.jar:2.3.0]
    at org.apache.commons.dbcp2.BasicDataSource.createPoolableConnectionFactory(BasicDataSource.java:2312) ~[commons-dbcp2-2.3.0.jar:2.3.0]
    ... 77 more

database.driverClassName=org.mariadb.jdbc.Driver
database.url=jdbc:mariadb://localhost:3306/test?useUnicode=yes&characterEncoding=UTF-8&useSSL=false
database.username=root
database.password=root