Caused by: java.sql.SQLNonTransientConnectionException: Socket fail to connect to host:localhost, port:3308. Connection refused (Connection refused) at org.mariadb.jdbc.internal.util.exceptions.ExceptionFactory.createException(ExceptionFactory.java:73) ~[mariadb-java-client-2.7.4.jar!/:na] at org.mariadb.jdbc.internal.util.exceptions.ExceptionFactory.create(ExceptionFactory.java:188) ~[mariadb-java-client-2.7.4.jar!/:na] at org.mariadb.jdbc.internal.protocol.AbstractConnectProtocol.createSocket(AbstractConnectProtocol.java:257) ~[mariadb-java-client-2.7.4.jar!/:na] at org.mariadb.jdbc.internal.protocol.AbstractConnectProtocol.createConnection(AbstractConnectProtocol.java:521) ~[mariadb-java-client-2.7.4.jar!/:na] at org.mariadb.jdbc.internal.protocol.AbstractConnectProtocol.connectWithoutProxy(AbstractConnectProtocol.java:1389) ~[mariadb-java-client-2.7.4.jar!/:na] ... 57 common frames omitted Caused by: java.net.ConnectException: Connection refused (Connection refused) at java.net.PlainSocketImpl.socketConnect(Native Method) ~[na:1.8.0_212] at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) ~[na:1.8.0_212] at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) ~[na:1.8.0_212] at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) ~[na:1.8.0_212] at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[na:1.8.0_212] at java.net.Socket.connect(Socket.java:589) ~[na:1.8.0_212] at org.mariadb.jdbc.internal.protocol.AbstractConnectProtocol.createSocket(AbstractConnectProtocol.java:252) ~[mariadb-java-client-2.7.4.jar!/:na] ... 59 common frames omitted
