could not initialize proxy - no Session - Class: org.hibernate.proxy.AbstractLazyInitializer

最新推荐文章于 2023-04-04 17:48:07 发布

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最新推荐文章于 2023-04-04 17:48:07 发布

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本文介绍了一个关于Hibernate懒加载出现的问题及解决办法。当使用Hibernate框架进行数据持久化操作时，可能会遇到因没有正确配置会话导致的懒加载代理初始化失败的情况。文章详细描述了异常现象并提供了解决方案，即通过在Struts过滤器前添加openSessionInView过滤器来确保在请求处理过程中维持一个活跃的Hibernate会话。

type Exception report

message could not initialize proxy - no Session - Class: org.hibernate.proxy.AbstractLazyInitializer

description The server encountered an internal error that prevented it from fulfilling this request.

exception

org.apache.jasper.JasperException: could not initialize proxy - no Session - Class: org.hibernate.proxy.AbstractLazyInitializer
File: AbstractLazyInitializer.java
Method: initialize

解决方法：

在Struts过滤器之前加上openSessionInView过滤器

<filter>
<filter-name>openSessionInView</filter-name>
<filter-class>org.springframework.orm.hibernate3.support.OpenSessionInViewFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>openSessionInView</filter-name>
<url-pattern>*.action</url-pattern>
</filter-mapping>