session 监听器报错谢谢

最新推荐文章于 2024-06-18 20:46:31 发布

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最新推荐文章于 2024-06-18 20:46:31 发布

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本文链接：https://blog.youkuaiyun.com/u011880357/article/details/16947127

本文记录了一次在Session过期时出现的NullPointerException异常情况。该异常发生在UsersServiceImpl的update方法中，具体位置为第30行。跟踪异常堆栈发现，问题可能与SessionListener的sessionDestroyed方法有关。

11-25 16:40:59 org.apache.catalina.session.StandardSession expire
严重: Session event listener threw exception
java.lang.NullPointerException
at org.brickingdom.door.service.impl.UsersServiceImpl.update(UsersServiceImpl.java:30)
at org.brickingdom.door.Filter.SessionListener.sessionDestroyed(SessionListener.java:35)
at org.apache.catalina.session.StandardSession.expire(StandardSession.java:720)
at org.apache.catalina.session.StandardSession.isValid(StandardSession.java:587)
at org.apache.catalina.session.ManagerBase.processExpires(ManagerBase.java:737)
at org.apache.catalina.session.ManagerBase.backgroundProcess(ManagerBase.java:722)
at org.apache.catalina.core.ContainerBase.backgroundProcess(ContainerBase.java:1368)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1653)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1662)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1662)
at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.run(ContainerBase.java:1642)
at java.lang.Thread.run(Thread.java:619)