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hibernate 延迟加载的错误org.hibernate failed to lazily initialize a collection of role

阅读更多

对于懒加载异常:

把<set>中的lazy设置为false

把<many-to-one>中的lazy设置为false

 

自己项目中遇到的问题及解决方法

常见的解决方法是:

在ORM中,是把对应关系(一对多,或者多对一,或者其他)的那两个列lazy=true改为

lazy=false即可

 

org.hibernate.LazyInitializationException: could not initialize proxy - the owning Session was closed;

org.hibernate failed to lazily initialize a collection of role

 

 

java.util.ConcurrentModificationException

此异常一般是遍历的地方有误

 

java.lang.NoSuchMethodException

理解:没有这个方法

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