session防止重复登临报错 严重:Session event listener threw exception java.lang.NullPointerExceptioat com.xyt.interceptor.WuserListener.sessionDestroyed(WuserListener.java:36)\x05at org.apache.catalina.session.StandardSession.expire(StandardS
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/02 01:47:40
![session防止重复登临报错 严重:Session event listener threw exception java.lang.NullPointerExceptioat com.xyt.interceptor.WuserListener.sessionDestroyed(WuserListener.java:36)\x05at org.apache.catalina.session.StandardSession.expire(StandardS](/uploads/image/z/14953084-52-4.jpg?t=session%E9%98%B2%E6%AD%A2%E9%87%8D%E5%A4%8D%E7%99%BB%E4%B8%B4%E6%8A%A5%E9%94%99+%E4%B8%A5%E9%87%8D%3ASession+event+listener+threw+exception+java.lang.NullPointerExceptioat+com.xyt.interceptor.WuserListener.sessionDestroyed%28WuserListener.java%3A36%29%5Cx05at+org.apache.catalina.session.StandardSession.expire%28StandardS)
session防止重复登临报错 严重:Session event listener threw exception java.lang.NullPointerExceptioat com.xyt.interceptor.WuserListener.sessionDestroyed(WuserListener.java:36)\x05at org.apache.catalina.session.StandardSession.expire(StandardS
session防止重复登临报错 严重:Session event listener threw exception java.lang.NullPointerExceptio
at com.xyt.interceptor.WuserListener.sessionDestroyed(WuserListener.java:36)
\x05at org.apache.catalina.session.StandardSession.expire(StandardSession.java:702)
\x05at org.apache.catalina.session.StandardSession.isValid(StandardSession.java:592)
\x05at org.apache.catalina.session.ManagerBase.processExpires(ManagerBase.java:682)
\x05at org.apache.catalina.session.ManagerBase.backgroundProcess(ManagerBase.java:667)
\x05at org.apache.catalina.core.ContainerBase.backgroundProcess(ContainerBase.java:1316)
\x05at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1601)
\x05at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1610)
\x05at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1610)
\x05at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.run(ContainerBase.java:1590)
\x05at java.lang.Thread.run(Thread.java:619)
session防止重复登临报错 严重:Session event listener threw exception java.lang.NullPointerExceptioat com.xyt.interceptor.WuserListener.sessionDestroyed(WuserListener.java:36)\x05at org.apache.catalina.session.StandardSession.expire(StandardS
应该在登录成功验证页面加一个seession,用户合法的话旧直接跳到欢迎界面 不合法的话就重新跳回登录界面 这个可以通过对session中参数的比较(equals())来实现