如果不是这样，那么生成的代码或数据源配置中很可能存在错误。

If not, there is likely something wrong with the generated code or your data source configuration.

youdao

如果数据源不可访问或无效，就会出现这些错误。

These errors can occur if the data sources are unreachable or invalid.

youdao

CustomerBean现在使用错误的数据源。

CustomerBean is now using the wrong data source.

youdao