系统执行发生错误,信息描述如下:
错误状态代码是:500
错误发生页面是:/eduboss/webLogin
错误信息:java.lang.NullPointerException
错误堆栈信息:

com.eduboss.biz.shell.authentication.WebLoginAuthenticationFilter.attemptAuthentication(WebLoginAuthenticationFilter.java:32)

org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:217)

org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)

org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:120)

org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)

org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:120)

org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)

org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:64)

org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)

org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)

org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:53)

org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)

org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)

org.springframework.security.web.session.ConcurrentSessionFilter.doFilter(ConcurrentSessionFilter.java:133)

org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)

org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:91)

org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)

org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:213)

org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:176)

org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:347)

org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:263)

org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)

org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)

com.alibaba.druid.support.http.WebStatFilter.doFilter(WebStatFilter.java:124)

org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)

org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)

com.eduboss.filter.pre.SessionCreatedFilter.doFilter(SessionCreatedFilter.java:34)

org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:347)

org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:263)

org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)

org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)

net.bull.javamelody.MonitoringFilter.doFilter(MonitoringFilter.java:198)

net.bull.javamelody.MonitoringFilter.doFilter(MonitoringFilter.java:176)

org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)

org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)

com.eduboss.filter.pre.CrossScriptingFilter.doFilter(CrossScriptingFilter.java:38)

org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)

org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)

org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:197)

org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)

org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)

org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)

com.eduboss.filter.pre.CacheControlFilter.doFilter(CacheControlFilter.java:48)

org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)

org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)

com.eduboss.filter.post.UserOperationLogFilter.doFilter(UserOperationLogFilter.java:48)

org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:347)

org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:263)

org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)

org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)

org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199)

org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)

de.javakaffee.web.msm.RequestTrackingContextValve.invoke(RequestTrackingContextValve.java:99)

org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:493)

org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:137)

de.javakaffee.web.msm.RequestTrackingHostValve.invoke(RequestTrackingHostValve.java:157)

org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81)

org.apache.catalina.valves.RemoteIpValve.invoke(RemoteIpValve.java:679)

org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:660)

org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)

org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343)

org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:798)

org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)

org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:808)

org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1498)

org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)

java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)

java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)

org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)

java.lang.Thread.run(Thread.java:748)