GLBB opened a new issue #9527:
URL: https://github.com/apache/shardingsphere/issues/9527


   using yaml configuration, get exception message: "Exception in thread "main" 
java.lang.IllegalArgumentException: argument type mismatch", yaml has many 
lines and element, don't known which has error, hope has more detail exception, 
can know which line, column, element has error.
   
   
![image](https://user-images.githubusercontent.com/24810876/109411147-e19e2000-79da-11eb-95ad-1f45d92667e3.png)
   
   my yaml configuration:
   ```
   dataSources:
     ds_0:
       dataSourceClassName: com.zaxxer.hikari.HikariDataSource
       driverClassName: com.mysql.jdbc.Driver
       jdbcUrl: 
jdbc:mysql://localhost:3306/demo_ds_0?serverTimezone=UTC&useSSL=false&useUnicode=true&characterEncoding=UTF-8
       username: xxx
       password: 123
       autoCommit: false
     ds_1:
       dataSourceClassName: com.zaxxer.hikari.HikariDataSource
       driverClassName: com.mysql.jdbc.Driver
       jdbcUrl: 
jdbc:mysql://localhost:3306/demo_ds_1?serverTimezone=UTC&useSSL=false&useUnicode=true&characterEncoding=UTF-8
       username: xxx
       password: 123
       autoCommit: false
   
   rules:
   - !SHARDING
     tables:
       t_order: 
         actualDataNodes: ds_${0..1}.t_order_${0..1}
         tableStrategy: 
           standard:
             shardingColumn: order_id
             shardingAlgorithmName: table_inline
         keyGenerateStrategy:
           column: order_id
           keyGeneratorName: snowflake
     defaultDatabaseStrategy:
       standard:
         shardingColumn: user_id
         shardingAlgorithmName: database_inline
     defaultTableStrategy:
       none:
     
     shardingAlgorithms:
       database_inline:
         type: INLINE
         props:
           algorithm-expression: ds_${user_id % 2}
       table_inline:
         type: INLINE
         props:
           algorithm-expression: t_order_${order_id % 2}
     
     keyGenerators:
       snowflake:
         type: SNOWFLAKE
         props:
             worker-id: 123
   
   props:
     sql-show: false
   
   ```


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