yflytom opened a new issue, #29780:
URL: https://github.com/apache/shardingsphere/issues/29780
shardingjdbc 5.4.1
pom.xml
```xml
<dependency>
<groupId>org.apache.shardingsphere</groupId>
<artifactId>shardingsphere-jdbc-core</artifactId>
<version>5.4.1</version>
<exclusions>
<exclusion>
<artifactId>snakeyaml</artifactId>
<groupId>org.yaml</groupId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>org.yaml</groupId>
<artifactId>snakeyaml</artifactId>
<version>1.33</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
<exclusions>
<exclusion>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
</exclusion>
<exclusion>
<artifactId>snakeyaml</artifactId>
<groupId>org.yaml</groupId>
</exclusion>
</exclusions>
</dependency>
```
The following two pictures `HINT` have different local configuration
methods. When I use the method of picture 1 to configure, an error will be
reported. （下面这两个图片 `HINT` 地方配置方式不一致，当我使用图片1的方式进行配置，会报错）
sharding.yaml
error msg: (报错信息)
And it will flush logs crazily, causing the CPU to increase and the fan to
spin wildly.(并且会疯狂刷日志，导致CPU升高，风扇狂转)
---------------------------
When I use the other configuration in Picture 2, no error will be reported,
but it will not enter my custom algorithm. If I specify two data sources, it
will query two data sources, and if it is three, it will query three data
sources.
（当我使用图片2的另一种方式配置，不会报错，但是不会进入我的自定义算法中，指定两个数据源，他就查询两个数据源，三个就查询三个数据源）
question:
1. How should I configure the forced routing using hint? I want to implement
the SAS architecture and multi-tenant function. By specifying the hint
algorithm, I can obtain the corresponding user's library during execution, and
the hint forcefully specifies the data source function.
（问题：
1、我到底应该怎样配置使用hint
强制路由，我是为了实现sas架构，多租户功能，通过指定hint算法，执行时获取对应用户所属库，hint强制指定数据源功能）
非常感谢！
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