gistfile1.txt

    public DatabaseHandler() throws SQLException {
        ......
        String jdbcURL = this.createJDBCURL(dbType);   // "jdbc:h2:.\config\crafteco\crafteco"
        SqlManager sqlManager = Sponge.game().sqlManager();
        dataSource = sqlManager.dataSource(jdbcURL);
        ......
    }
    
    ------------------------------------------------------------------------------------------------
    
    @Listener
    public void onConstructPlugin(final ConstructPluginEvent event) throws IOException, SQLException {
        new ConfigLoader(configDir);
        new DatabaseHandler();
    }
    
    ------------------------------------------------------------------------------------------------
    
java.sql.SQLException: No suitable driver
	at java.sql.DriverManager.getDriver(DriverManager.java:315) ~[?:1.8.0_291]
	at org.spongepowered.common.sql.SpongeSqlManager$ConnectionInfo.fromUrl(SpongeSqlManager.java:254) ~[spongevanilla-1.16.5-8.0.0-RC918-universal.jar:1.16.5-8.0.0-RC918]
	at org.spongepowered.common.sql.SpongeSqlManager.dataSource(SpongeSqlManager.java:146) ~[spongevanilla-1.16.5-8.0.0-RC918-universal.jar:1.16.5-8.0.0-RC918]
	at org.spongepowered.common.sql.SpongeSqlManager.dataSource(SpongeSqlManager.java:138) ~[spongevanilla-1.16.5-8.0.0-RC918-universal.jar:1.16.5-8.0.0-RC918]
	at com.github.ericliucn.crafteco.handler.DatabaseHandler.<init>(DatabaseHandler.java:33) ~[CraftEco-1.0.jar:?]
	at com.github.ericliucn.crafteco.Main.onConstructPlugin(Main.java:56) ~[CraftEco-1.0.jar:?]
	at org.spongepowered.common.event.listener.ConstructPluginEventListener_Main_onConstructPlugin4.handle(Unknown Source) ~[?:?]
	at org.spongepowered.common.event.manager.RegisteredListener.handle(RegisteredListener.java:88) ~[spongevanilla-1.16.5-8.0.0-RC918-universal.jar:1.16.5-8.0.0-RC918]
	at org.spongepowered.common.event.manager.SpongeEventManager.post(SpongeEventManager.java:372) ~[spongevanilla-1.16.5-8.0.0-RC918-universal.jar:1.16.5-8.0.0-RC918]
	at org.spongepowered.common.event.manager.SpongeEventManager.postToPlugin(SpongeEventManager.java:408) ~[spongevanilla-1.16.5-8.0.0-RC918-universal.jar:1.16.5-8.0.0-RC918]
	at org.spongepowered.common.SpongeLifecycle.callConstructEvent(SpongeLifecycle.java:174) ~[spongevanilla-1.16.5-8.0.0-RC918-universal.jar:1.16.5-8.0.0-RC918]
	at org.spongepowered.vanilla.launch.VanillaBootstrap.perform(VanillaBootstrap.java:51) ~[spongevanilla-1.16.5-8.0.0-RC918-universal.jar:1.16.5-8.0.0-RC918]
	at org.spongepowered.vanilla.launch.DedicatedServerLaunch.performBootstrap(DedicatedServerLaunch.java:52) ~[spongevanilla-1.16.5-8.0.0-RC918-universal.jar:1.16.5-8.0.0-RC918]
	at org.spongepowered.vanilla.launch.VanillaLaunch.launchPlatform(VanillaLaunch.java:119) ~[spongevanilla-1.16.5-8.0.0-RC918-universal.jar:1.16.5-8.0.0-RC918]
	at org.spongepowered.vanilla.launch.DedicatedServerLaunch.launch(DedicatedServerLaunch.java:42) ~[spongevanilla-1.16.5-8.0.0-RC918-universal.jar:1.16.5-8.0.0-RC918]
	... suppressed 3 lines
	at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_291]