在使用hibernate进行查询的时候报如下错误

Unable to find  Object with id 2

javax.persistence.EntityNotFoundException: Unable to find My028888Groupinfo with id 2
at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl$JpaEntityNotFoundDelegate.handleEntityNotFound(EntityManagerFactoryBuilderImpl.java:144) ~[hibernate-entitymanager-5.0.12.Final.jar:5.0.12.Final]
at org.hibernate.proxy.AbstractLazyInitializer.checkTargetState(AbstractLazyInitializer.java:242) ~[hibernate-core-5.0.12.Final.jar:5.0.12.Final]
at org.hibernate.proxy.AbstractLazyInitializer.initialize(AbstractLazyInitializer.java:159) ~[hibernate-core-5.0.12.Final.jar:5.0.12.Final]
at org.hibernate.proxy.AbstractLazyInitializer.getImplementation(AbstractLazyInitializer.java:266) ~[hibernate-core-5.0.12.Final.jar:5.0.12.Final]
at org.hibernate.proxy.pojo.javassist.JavassistLazyInitializer.invoke(JavassistLazyInitializer.java:73) ~[hibernate-core-5.0.12.Final.jar:5.0.12.Final]

经过查询My028888Groupinfo表里，只有id为2这个数据的

后来发现原来是该表关联的另一个实体，是急加载，但是该字段为空，所以讲该字段填充上即可