dahaian edited a comment on issue #2694: I got a error when I Integrate spring boot with sharding jdbc URL: https://github.com/apache/incubator-shardingsphere/issues/2694#issuecomment-510382415 @KomachiSion I follow you add spring.shardingsphere.sharding.tables.t_order.key-generator.type=SNOWFLAKE or spring.shardingsphere.sharding.tables.t_order.key-generator.type=UUID and retry. But I got a error is: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'testC': Injection of resource dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'dataSource' defined in class path resource [org/apache/shardingsphere/shardingjdbc/spring/boot/SpringBootConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [javax.sql.DataSource]: Factory method 'dataSource' threw exception; nested exception is java.lang.NullPointerException Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'dataSource' defined in class path resource [org/apache/shardingsphere/shardingjdbc/spring/boot/SpringBootConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [javax.sql.DataSource]: Factory method 'dataSource' threw exception; nested exception is java.lang.NullPointerException Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [javax.sql.DataSource]: Factory method 'dataSource' threw exception; nested exception is java.lang.NullPointerException My config file is：
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