Switch over and JDBC connection

When I use JDBC connection and master host is down, how can I switch over to slave host?

I have two MadiaDB nodes "MyDB1" and "MyDB2" work in Master-Slave Standard replication mode. Outside there is a JDBC connection configuration, that enables one application to access MyDB1

<connection-url>jdbc:mariadb://<ip of MyDB1>/testdb</connection-url>

When MyDB1 is down(e.g. power off), without changing this url 1) Will this connection still work? 2) How can I set to auto switch over MyDB2?

Thanks in advance.


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