jaychang9 edited a comment on issue #2712: 【4.0.0-RC2 & 4.0.0-RC3-SNAPSHOT】sharding-jdbc-spring-boot-starter init dataSource failed URL: https://github.com/apache/incubator-shardingsphere/issues/2712#issuecomment-515903559 I have the same problem but I only use mybatis. **the error stack info:** *************************** APPLICATION FAILED TO START *************************** Description: Failed to configure a DataSource: 'url' attribute is not specified and no embedded datasource could be configured. Reason: Failed to determine a suitable driver class Action: Consider the following: If you want an embedded database (H2, HSQL or Derby), please put it on the classpath. If you have database settings to be loaded from a particular profile you may need to activate it (no profiles are currently active). Disconnected from the target VM, address: '127.0.0.1:51648', transport: 'socket' Process finished with exit code 1 **my application.properties is** spring.shardingsphere.datasource.names=ds_0,ds_1 spring.shardingsphere.datasource.ds_0.type=com.zaxxer.hikari.HikariDataSource spring.shardingsphere.datasource.ds_0.driver-class-name=com.mysql.jdbc.Driver spring.shardingsphere.datasource.ds_0.jdbc-url=jdbc:mysql://localhost:3306/ds0?serverTimezone=UTC&useSSL=false&useUnicode=true&characterEncoding=UTF-8 spring.shardingsphere.datasource.ds_0.username=root spring.shardingsphere.datasource.ds_0.password= spring.shardingsphere.datasource.ds_1.type=com.zaxxer.hikari.HikariDataSource spring.shardingsphere.datasource.ds_1.driver-class-name=com.mysql.jdbc.Driver spring.shardingsphere.datasource.ds_1.jdbc-url=jdbc:mysql://localhost:3306/ds1?serverTimezone=UTC&useSSL=false&useUnicode=true&characterEncoding=UTF-8 spring.shardingsphere.datasource.ds_1.username=root spring.shardingsphere.datasource.ds_1.password= spring.shardingsphere.sharding.default-database-strategy.inline.sharding-column=user_id spring.shardingsphere.sharding.default-database-strategy.inline.algorithm-expression=ds_$->{user_id % 2} spring.shardingsphere.sharding.tables.t_order.actual-data-nodes=ds$->{0..1}.t_order spring.shardingsphere.sharding.tables.t_order.key-generator.column=order_id spring.shardingsphere.sharding.tables.t_order.key-generator.type=SNOWFLAKE spring.shardingsphere.sharding.tables.t_order.key-generator.props.worker.id=123 spring.shardingsphere.sharding.tables.t_order_item.actual-data-nodes=ds$->{0..3}.t_order_item spring.shardingsphere.sharding.tables.t_order_item.key-generator.column=order_item_id spring.shardingsphere.sharding.tables.t_order_item.key-generator.type=SNOWFLAKE spring.shardingsphere.sharding.tables.t_order_item.key-generator.props.worker.id=123 spring.shardingsphere.props.sql.show=true
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