Configuration file snippet

Traccar 2.x

    <!-- This is the database stuff -->
    <entry key='database.driver'>com.mysql.jdbc.Driver</entry>
    <entry key='database.dataSource'>com.mysql.jdbc.jdbc2.optional.MysqlDataSource</entry>
    <entry key='database.url'>jdbc:mysql://127.0.0.1:3306/traccar?allowMultiQueries=true&amp;autoReconnect=true</entry>
    <entry key='database.user'>root</entry>
    <entry key='database.password'> `ENTER YOUR PASSWORD HERE` </entry>

    <!-- Don't forget to change the refreshDelay !!!!!!!!!!!! -->
    <entry key='database.refreshDelay'>5</entry>

    ... 
    ...
    ...

Traccar 3.x

<entry key='database.driver'>com.mysql.jdbc.Driver</entry>
    <entry key='database.url'>jdbc:mysql://127.0.0.1:3306/traccar?allowMultiQueries=true&amp;autoReconnect=true</entry>
    <entry key='database.user'>root</entry>
    <entry key='database.password'>PUT YOUR PASSWORD HERE</entry>
    <entry key='database.checkTable'>traccar</entry>