org.hibernate.MappingException:Unknown entity:java.util.ArrayList

1、毛病描写

[CQ] ERROR [http-apr⑻888-exec⑶] com.opensymphony.xwork2.util.logging.commons.CommonsLogger.error (38)|Exception occurred during processing request:Unknown entity:java.util.ArrayList

org.hibernate.MappingException:Unknown entity:java.util.ArrayList

2、毛病描写

3、解决办法

生活不易，码农辛苦
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