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Posted to notifications@shardingsphere.apache.org by GitBox <gi...@apache.org> on 2019/07/25 02:00:19 UTC

[GitHub] [incubator-shardingsphere] Saisimon commented on issue #2749: ClassCastException: java.lang.Boolean cannot be cast to java.lang.Byte

Saisimon commented on issue #2749: ClassCastException: java.lang.Boolean cannot be cast to java.lang.Byte
URL: https://github.com/apache/incubator-shardingsphere/issues/2749#issuecomment-514864330
 
 
   According to [MySQL Connector/J 5.1](https://dev.mysql.com/doc/connector-j/5.1/en/connector-j-reference-type-conversions.html) and [MySQL Connector/J 8.0](https://dev.mysql.com/doc/connector-j/8.0/en/connector-j-reference-type-conversions.html) documentations
   > java.lang.Boolean if the configuration property tinyInt1isBit is set to true (the default) and the storage size is 1, or java.lang.Integer if not.
   
   Two ways can fix it.
   1.  change tinyint(1) to tinyint(2)
   2. datasource url add tinyInt1isBit=false, like jdbc:mysql://dbserver:3306/d0?tinyInt1isBit=false
   

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