http500错误 http 500内部服务器错误，请与管理员联系。 请尝试以下操作： ·打开主页，然后查找指向您感兴趣信息的链接。 ·单击后退链接，尝试其他链接。

错误：java.lang.NullPointerException
错误码：500
异常：null
exception:java.lang.NullPointerException
cause:null
message:null
localizedMessage:null
stackTrace:java.lang.NullPointerException at com.lyt.util.filter.UrlRedirectFilter.doFilterColumnShtml(UrlRedirectFilter.java:145) at com.lyt.util.filter.UrlRedirectFilter.doFilter(UrlRedirectFilter.java:215) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at com.magtech.filter.XssFilter.doFilter(XssFilter.java:68) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at com.lyt.util.filter.FrameTaoFilter.doFilter(FrameTaoFilter.java:42) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at com.lyt.util.filter.ReadRequestRefererFilter.doFilter(ReadRequestRefererFilter.java:32) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at com.lyt.util.filter.AuthenticationFilter.doFilter(AuthenticationFilter.java:170) at com.lyt.util.HttpFilter.doFilter(HttpFilter.java:46) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at com.lyt.util.filter.JournalIDFilter.doFilter(JournalIDFilter.java:80) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at com.lyt.util.web.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:64) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.ssi.SSIFilter.doFilter(SSIFilter.java:114) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103) at org.apache.catalina.valves.RemoteIpValve.invoke(RemoteIpValve.java:652) at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:617) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293) at org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:876) at org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:612) at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1777) at java.lang.Thread.run(Thread.java:745)