异常

org.apache.jasper.JasperException: tag 'select', field 'list', name 'sectionId':
The requested list key 'section' could not be resolved as a
collection/array/map/enumeration/iterator type. Example: people or people.{name}
- [unknown location]

 

 

类似这种,除了变量为空外,、一下午换了变量名字,一切ok。aCatagories————————ACategories

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