Druid integration shardingsphere appears xxmapper Reasons and solutions of XML error reporting

Project environment ：

druid: 1.1.21 
sharding-jdbc：4.1.0

Generally, there is no error report , The reason for this is Dependency conflicts , Cause not found xxMapper.xml file . The dependency introduced when an error is reported is ：

<dependency>
    <groupId>com.alibaba</groupId>
    <artifactId>druid-spring-boot-starter</artifactId>
    <version>1.1.21</version>
</dependency>

<dependency>
    <groupId>org.apache.shardingsphere</groupId>
    <artifactId>sharding-jdbc-spring-boot-starter</artifactId>
    <version>4.1.0</version>
</dependency>

druid-spring-boot-starter And sharding-jdbc-spring-boot-starter There will be conflicts , If you want to use sharding-jdbc-spring-boot-starter Words , there druid You can't use it starter Version of , You must use the full version of , Revised as follows ：

<dependency>
    <groupId>com.alibaba</groupId>
    <artifactId>druid</artifactId>
    <version>1.1.21</version>
</dependency>

<dependency>
    <groupId>org.apache.shardingsphere</groupId>
    <artifactId>sharding-jdbc-spring-boot-starter</artifactId>
    <version>4.1.0</version>
</dependency>

In this way, the project can run normally .

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