Kevin and All, I'm having this problem too, after I added some GC parameters (G1GC) to GeoServer. Does anyone know what can it be?
https://deviniciative.wordpress.com/2020/07/23/dicas-para-tunning-de-g1-gc/ I'm using CentOS 8, GeoServer 2.17.1, MariaDB and Java 11. Best regards, Fernando Quadro http://www.fernandoquadro.com.br https://www.linkedin.com/in/fernandoquadro/ Em ter., 14 de jul. de 2020 às 14:36, Kevin Smith <smit...@draconic.ca> escreveu: > Tomcat 9.0.37, Java 11, RHEL 8, new deployment with the Oracle, MSSQL, > Pregeneralized Features, and YSLD extensions. > > The system status module is adding an ERROR message to the logs once a > second because of a NullPointerException. This happens in the > LinuxOperatingSystem class when it tries to use the userGroup member > which is transient. So it seems like this might be a deserialization > problem. This is happening inside Wicket so I suspect that's what's > doing the serialization/deserialization. > > It looks like this happens whenever the status page is open and polling > in the background. The page seems to be working correctly though. > > When I first encountered this the stack trace was being suppressed but > now it's present. > > Anyone more familiar with the system status page have any thoughts in this? > > 2020-07-14 12:56:28,229 ERROR [status.OSHISystemInfoCollector] - null > java.lang.NullPointerException > at > > oshi.software.os.linux.LinuxOperatingSystem.getProcess(LinuxOperatingSystem.java:293) > at > > oshi.software.os.linux.LinuxOperatingSystem.getProcess(LinuxOperatingSystem.java:210) > at > > org.geoserver.system.status.OSHISystemInfoCollector.retrieveSystemInfo(OSHISystemInfoCollector.java:512) > at > > org.geoserver.system.status.BaseSystemInfoCollector.retrieveAllSystemInfo(BaseSystemInfoCollector.java:27) > at > > org.geoserver.web.system.status.RefreshedPanel$2.onConfigure(RefreshedPanel.java:99) > at org.apache.wicket.Component.configure(Component.java:1061) > at org.apache.wicket.Component.internalBeforeRender(Component.java:941) > at org.apache.wicket.Component.beforeRender(Component.java:1018) > at > org.apache.wicket.Component.internalPrepareForRender(Component.java:2236) > at org.apache.wicket.Component.prepareForRender(Component.java:2275) > at > org.apache.wicket.page > .XmlPartialPageUpdate.writeComponent(XmlPartialPageUpdate.java:98) > at > org.apache.wicket.page > .PartialPageUpdate.writeComponents(PartialPageUpdate.java:248) > at > org.apache.wicket.page > .PartialPageUpdate.writeTo(PartialPageUpdate.java:161) > at > > org.apache.wicket.ajax.AjaxRequestHandler.respond(AjaxRequestHandler.java:358) > at > > org.apache.wicket.request.cycle.RequestCycle$HandlerExecutor.respond(RequestCycle.java:895) > at > > org.apache.wicket.request.RequestHandlerStack.execute(RequestHandlerStack.java:64) > at > > org.apache.wicket.request.RequestHandlerStack.execute(RequestHandlerStack.java:97) > at > org.apache.wicket.request.cycle.RequestCycle.execute(RequestCycle.java:265) > at > > org.apache.wicket.request.cycle.RequestCycle.processRequest(RequestCycle.java:222) > at > > org.apache.wicket.request.cycle.RequestCycle.processRequestAndDetach(RequestCycle.java:293) > at > > org.apache.wicket.protocol.http.WicketFilter.processRequestCycle(WicketFilter.java:261) > at > > org.apache.wicket.protocol.http.WicketFilter.processRequest(WicketFilter.java:203) > at > org.apache.wicket.protocol.http.WicketServlet.doGet(WicketServlet.java:137) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:626) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:733) > at > > org.springframework.web.servlet.mvc.ServletWrappingController.handleRequestInternal(ServletWrappingController.java:166) > at > > org.springframework.web.servlet.mvc.AbstractController.handleRequest(AbstractController.java:177) > at > > org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter.handle(SimpleControllerHandlerAdapter.java:52) > at > > org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1040) > at > > org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:943) > at > > org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006) > at > > org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:898) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:626) > at > > org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:733) > at > > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231) > at > > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) > at > org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53) > at > > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) > at > > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) > at > > org.geoserver.filters.ThreadLocalsCleanupFilter.doFilter(ThreadLocalsCleanupFilter.java:26) > at > > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) > at > > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) > at > > org.geoserver.filters.SpringDelegatingFilter$Chain.doFilter(SpringDelegatingFilter.java:69) > at > org.geoserver.wms.animate.AnimatorFilter.doFilter(AnimatorFilter.java:70) > at > > org.geoserver.filters.SpringDelegatingFilter$Chain.doFilter(SpringDelegatingFilter.java:66) > at > > org.geoserver.filters.SpringDelegatingFilter.doFilter(SpringDelegatingFilter.java:41) > at > > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) > at > > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) > at > > org.geoserver.platform.AdvancedDispatchFilter.doFilter(AdvancedDispatchFilter.java:37) > at > > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) > at > > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) > at > > org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:320) > at > > org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:70) > at > > org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:127) > at > > org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:91) > at > > org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:74) > at > > org.geoserver.security.filter.GeoServerCompositeFilter.doFilter(GeoServerCompositeFilter.java:91) > at > > org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334) > at > > org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:70) > at > > org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:119) > at > > org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:74) > at > > org.geoserver.security.filter.GeoServerCompositeFilter.doFilter(GeoServerCompositeFilter.java:91) > at > > org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334) > at > > org.geoserver.security.filter.GeoServerAnonymousAuthenticationFilter.doFilter(GeoServerAnonymousAuthenticationFilter.java:51) > at > > org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334) > at > > org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:70) > at > > org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:200) > at > > org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:74) > at > > org.geoserver.security.filter.GeoServerCompositeFilter.doFilter(GeoServerCompositeFilter.java:91) > at > > org.geoserver.security.filter.GeoServerUserNamePasswordAuthenticationFilter.doFilter(GeoServerUserNamePasswordAuthenticationFilter.java:122) > at > > org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334) > at > > org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:70) > at > > org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:158) > at > > org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:74) > at > > org.geoserver.security.filter.GeoServerCompositeFilter.doFilter(GeoServerCompositeFilter.java:91) > at > > org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334) > at > > org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:70) > at > > org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:105) > at > > org.geoserver.security.filter.GeoServerSecurityContextPersistenceFilter$1.doFilter(GeoServerSecurityContextPersistenceFilter.java:52) > at > > org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:74) > at > > org.geoserver.security.filter.GeoServerCompositeFilter.doFilter(GeoServerCompositeFilter.java:91) > at > > org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334) > at > > org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:215) > at > > org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:178) > at > > org.geoserver.security.GeoServerSecurityFilterChainProxy.doFilter(GeoServerSecurityFilterChainProxy.java:142) > at > > org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:358) > at > > org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:271) > at > > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) > at > > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) > at org.geoserver.filters.LoggingFilter.doFilter(LoggingFilter.java:101) > at > > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) > at > > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) > at > > org.geoserver.filters.XFrameOptionsFilter.doFilter(XFrameOptionsFilter.java:77) > at > > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) > at > > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) > at org.geoserver.filters.GZIPFilter.doFilter(GZIPFilter.java:47) > at > > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) > at > > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) > at > > org.geoserver.filters.SessionDebugFilter.doFilter(SessionDebugFilter.java:46) > at > > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) > at > > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) > at > org.geoserver.filters.FlushSafeFilter.doFilter(FlushSafeFilter.java:42) > at > > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) > at > > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) > at > > org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201) > at > > org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:119) > at > > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) > at > > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) > at > > org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:202) > at > > org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) > at > > org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:541) > at > > org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:139) > at > > org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92) > at > > org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:690) > at > > org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74) > at > org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:343) > at > org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:373) > at > > org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65) > at > > org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:868) > at > org.apache.tomcat.util.net > .NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1589) > at > org.apache.tomcat.util.net > .SocketProcessorBase.run(SocketProcessorBase.java:49) > at > > java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) > at > > java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) > at > > org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) > at java.base/java.lang.Thread.run(Thread.java:834) > > -- > Kevin Smith > smit...@draconic.ca > > > _______________________________________________ > Geoserver-devel mailing list > Geoserver-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/geoserver-devel >
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