WebLogic集群 session复制

最新推荐文章于 2016-10-10 17:30:00 发布

原创最新推荐文章于 2016-10-10 17:30:00 发布 · 194 阅读

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#Weblogic #Servlet

在实现javax.servlet.http.HttpSession的HTTP servlet中，使用HttpSession.setAttribute()方法更改会话对象中的属性。若通过setAttribute设置会话对象中的属性，则该对象及其属性将通过内存复制的方式在集群中进行复制。若使用其他方法修改会话内的对象，WebLogic Server不会复制这些更改。每次更改位于会话中的对象时，都应调用setAttribute()以跨集群更新该对象。

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Use setAttribute to Change Session State：
In an HTTP servlet that implements javax.servlet.http.HttpSession, use HttpSession.setAttribute (which replaces the deprecated putValue) to change attributes in a session object. If you set attributes in a session object with setAttribute, the object and its attributes are replicated in a cluster using in-memory replication. If you use other set methods to change objects within a session, WebLogic Server does not replicate those changes. Every time a change is made to an object that is in the session, setAttribute() should be called to update that object across the cluster.