Hi All,

 I recently upgraded 2.22.2, Tomcat container.  The data are still being served 
correctly, but the web interface now has lost much of its functionality: 
searches through layers or stores don't do anything, many links return 400 Bad 
request errors, etc.

Any help is greatly appreciated.  Error log attached.

Thanks,
Steve


Stephen Crawford

Center For Environmental Informatics

The Pennsylvania State University

src...@psu.edu
02 Mar 10:42:39 ERROR  [java.JavaSerializer] - Error serializing object class 
org.geoserver.web.GeoServerHomePage [object=[Page class = 
org.geoserver.web.GeoServerHomePage, id = 1, render count = 1]]
org.apache.wicket.core.util.objects.checker.CheckingObjectOutputStream$ObjectCheckException:
 The object type is not Serializable!
A problem occurred while checking object with type: 
org.geoserver.catalog.impl.ResolvingProxy
Field hierarchy is:
  1 [class=org.geoserver.web.GeoServerHomePage, path=1]
    private java.lang.Object org.apache.wicket.MarkupContainer.children 
[class=org.apache.commons.collections4.map.LinkedMap]
      private final java.lang.String 
org.apache.wicket.markup.html.form.ChoiceRenderer.idExpression[write:99][write:100]
 [class=org.apache.wicket.markup.html.form.Form, path=1:form]
        private java.lang.Object org.apache.wicket.MarkupContainer.children 
[class=java.util.ArrayList]
          private final java.lang.String 
org.apache.wicket.markup.html.form.ChoiceRenderer.idExpression[write:14][write:16][write:17]
 [class=org.apache.wicket.markup.html.panel.Fragment, path=1:form:layer]
            private java.lang.Object org.apache.wicket.MarkupContainer.children 
[class=org.apache.wicket.markup.html.form.TextField, path=1:form:layer:text]
              final org.geoserver.web.HomePageSelection 
org.geoserver.web.HomePageSelection$6.this$0 
[class=org.geoserver.web.HomePageSelection$Auto]
                private org.geoserver.web.BoundedCatalogLoader 
org.geoserver.web.HomePageSelection$Auto.publishedLoader 
[class=org.geoserver.web.BoundedCatalogLoader]
                  java.util.List org.geoserver.web.BoundedCatalogLoader.result 
[class=java.util.ArrayList]
                    protected java.util.Set 
org.geoserver.catalog.impl.LayerInfoImpl.styles[write:1079] 
[class=com.sun.proxy.$Proxy69]
                      protected java.lang.reflect.InvocationHandler 
java.lang.reflect.Proxy.h [class=org.geoserver.catalog.impl.ModificationProxy]
                        java.lang.Object 
org.geoserver.catalog.impl.ModificationProxy.proxyObject 
[class=org.geoserver.catalog.impl.LayerInfoImpl]
                          protected org.geoserver.catalog.StyleInfo 
org.geoserver.catalog.impl.LayerInfoImpl.defaultStyle 
[class=com.sun.proxy.$Proxy62]
                            protected java.lang.reflect.InvocationHandler 
java.lang.reflect.Proxy.h [class=org.geoserver.catalog.impl.ResolvingProxy] 
<----- field that is causing the problem
        at 
org.apache.wicket.core.util.objects.checker.CheckingObjectOutputStream.internalCheck(CheckingObjectOutputStream.java:371)
        at 
org.apache.wicket.core.util.objects.checker.CheckingObjectOutputStream.check(CheckingObjectOutputStream.java:354)
        at 
org.apache.wicket.core.util.objects.checker.CheckingObjectOutputStream.checkFields(CheckingObjectOutputStream.java:607)
        at 
org.apache.wicket.core.util.objects.checker.CheckingObjectOutputStream.internalCheck(CheckingObjectOutputStream.java:545)
        at 
org.apache.wicket.core.util.objects.checker.CheckingObjectOutputStream.check(CheckingObjectOutputStream.java:354)
        at 
org.apache.wicket.core.util.objects.checker.CheckingObjectOutputStream.checkFields(CheckingObjectOutputStream.java:607)
        at 
org.apache.wicket.core.util.objects.checker.CheckingObjectOutputStream.internalCheck(CheckingObjectOutputStream.java:545)
        at 
org.apache.wicket.core.util.objects.checker.CheckingObjectOutputStream.check(CheckingObjectOutputStream.java:354)
        at 
org.apache.wicket.core.util.objects.checker.CheckingObjectOutputStream.checkFields(CheckingObjectOutputStream.java:607)
        at 
org.apache.wicket.core.util.objects.checker.CheckingObjectOutputStream.internalCheck(CheckingObjectOutputStream.java:545)
        at 
org.apache.wicket.core.util.objects.checker.CheckingObjectOutputStream.check(CheckingObjectOutputStream.java:354)
        at 
org.apache.wicket.core.util.objects.checker.CheckingObjectOutputStream.checkFields(CheckingObjectOutputStream.java:607)
        at 
org.apache.wicket.core.util.objects.checker.CheckingObjectOutputStream.internalCheck(CheckingObjectOutputStream.java:545)
        at 
org.apache.wicket.core.util.objects.checker.CheckingObjectOutputStream.check(CheckingObjectOutputStream.java:354)
        at 
org.apache.wicket.core.util.objects.checker.CheckingObjectOutputStream.access$500(CheckingObjectOutputStream.java:73)
        at 
org.apache.wicket.core.util.objects.checker.CheckingObjectOutputStream$1InterceptingObjectOutputStream.replaceObject(CheckingObjectOutputStream.java:501)
        at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1144)
        at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:348)
        at java.util.ArrayList.writeObject(ArrayList.java:768)
        at sun.reflect.GeneratedMethodAccessor622.invoke(Unknown Source)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at 
java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:1154)
        at 
java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1496)
        at 
java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432)
        at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178)
        at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:348)
        at 
org.apache.wicket.core.util.objects.checker.CheckingObjectOutputStream.internalCheck(CheckingObjectOutputStream.java:509)
        at 
org.apache.wicket.core.util.objects.checker.CheckingObjectOutputStream.check(CheckingObjectOutputStream.java:354)
        at 
org.apache.wicket.core.util.objects.checker.CheckingObjectOutputStream.checkFields(CheckingObjectOutputStream.java:607)
        at 
org.apache.wicket.core.util.objects.checker.CheckingObjectOutputStream.internalCheck(CheckingObjectOutputStream.java:545)
        at 
org.apache.wicket.core.util.objects.checker.CheckingObjectOutputStream.check(CheckingObjectOutputStream.java:354)
        at 
org.apache.wicket.core.util.objects.checker.CheckingObjectOutputStream.checkFields(CheckingObjectOutputStream.java:607)
        at 
org.apache.wicket.core.util.objects.checker.CheckingObjectOutputStream.internalCheck(CheckingObjectOutputStream.java:545)
        at 
org.apache.wicket.core.util.objects.checker.CheckingObjectOutputStream.check(CheckingObjectOutputStream.java:354)
        at 
org.apache.wicket.core.util.objects.checker.CheckingObjectOutputStream.checkFields(CheckingObjectOutputStream.java:607)
        at 
org.apache.wicket.core.util.objects.checker.CheckingObjectOutputStream.internalCheck(CheckingObjectOutputStream.java:545)
        at 
org.apache.wicket.core.util.objects.checker.CheckingObjectOutputStream.check(CheckingObjectOutputStream.java:354)
        at 
org.apache.wicket.core.util.objects.checker.CheckingObjectOutputStream.checkFields(CheckingObjectOutputStream.java:607)
        at 
org.apache.wicket.core.util.objects.checker.CheckingObjectOutputStream.internalCheck(CheckingObjectOutputStream.java:545)
        at 
org.apache.wicket.core.util.objects.checker.CheckingObjectOutputStream.check(CheckingObjectOutputStream.java:354)
        at 
org.apache.wicket.core.util.objects.checker.CheckingObjectOutputStream.access$500(CheckingObjectOutputStream.java:73)
        at 
org.apache.wicket.core.util.objects.checker.CheckingObjectOutputStream$1InterceptingObjectOutputStream.replaceObject(CheckingObjectOutputStream.java:501)
        at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1144)
        at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:348)
        at java.util.ArrayList.writeObject(ArrayList.java:768)
        at sun.reflect.GeneratedMethodAccessor622.invoke(Unknown Source)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at 
java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:1154)
        at 
java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1496)
        at 
java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432)
        at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178)
        at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:348)
        at 
org.apache.wicket.core.util.objects.checker.CheckingObjectOutputStream.internalCheck(CheckingObjectOutputStream.java:509)
        at 
org.apache.wicket.core.util.objects.checker.CheckingObjectOutputStream.check(CheckingObjectOutputStream.java:354)
        at 
org.apache.wicket.core.util.objects.checker.CheckingObjectOutputStream.checkFields(CheckingObjectOutputStream.java:607)
        at 
org.apache.wicket.core.util.objects.checker.CheckingObjectOutputStream.internalCheck(CheckingObjectOutputStream.java:545)
        at 
org.apache.wicket.core.util.objects.checker.CheckingObjectOutputStream.check(CheckingObjectOutputStream.java:354)
        at 
org.apache.wicket.core.util.objects.checker.CheckingObjectOutputStream.access$500(CheckingObjectOutputStream.java:73)
        at 
org.apache.wicket.core.util.objects.checker.CheckingObjectOutputStream$1InterceptingObjectOutputStream.replaceObject(CheckingObjectOutputStream.java:501)
        at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1144)
        at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:348)
        at 
org.apache.commons.collections4.map.AbstractHashedMap.doWriteObject(AbstractHashedMap.java:1246)
        at 
org.apache.commons.collections4.map.LinkedMap.writeObject(LinkedMap.java:128)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at 
java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:1154)
        at 
java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1496)
        at 
java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432)
        at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178)
        at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:348)
        at 
org.apache.wicket.core.util.objects.checker.CheckingObjectOutputStream.internalCheck(CheckingObjectOutputStream.java:509)
        at 
org.apache.wicket.core.util.objects.checker.CheckingObjectOutputStream.check(CheckingObjectOutputStream.java:354)
        at 
org.apache.wicket.core.util.objects.checker.CheckingObjectOutputStream.checkFields(CheckingObjectOutputStream.java:607)
        at 
org.apache.wicket.core.util.objects.checker.CheckingObjectOutputStream.internalCheck(CheckingObjectOutputStream.java:545)
        at 
org.apache.wicket.core.util.objects.checker.CheckingObjectOutputStream.check(CheckingObjectOutputStream.java:354)
        at 
org.apache.wicket.core.util.objects.checker.CheckingObjectOutputStream.writeObjectOverride(CheckingObjectOutputStream.java:711)
        at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:344)
        at 
org.apache.wicket.serialize.java.JavaSerializer$SerializationCheckerObjectOutputStream.writeObjectOverride(JavaSerializer.java:379)
        at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:344)
        at 
org.apache.wicket.serialize.java.JavaSerializer.serialize(JavaSerializer.java:82)
        at 
org.apache.wicket.pageStore.AbstractPageStore.serializePage(AbstractPageStore.java:133)
        at 
org.apache.wicket.pageStore.DefaultPageStore.createSerializedPage(DefaultPageStore.java:281)
        at 
org.apache.wicket.pageStore.DefaultPageStore.storePage(DefaultPageStore.java:61)
        at 
org.apache.wicket.page.PageStoreManager$PersistentRequestAdapter.storeTouchedPages(PageStoreManager.java:455)
        at 
org.apache.wicket.page.RequestAdapter.commitRequest(RequestAdapter.java:193)
        at 
org.apache.wicket.page.AbstractPageManager.commitRequest(AbstractPageManager.java:76)
        at 
org.apache.wicket.page.PageManagerDecorator.commitRequest(PageManagerDecorator.java:74)
        at 
org.apache.wicket.page.PageAccessSynchronizer$2.commitRequest(PageAccessSynchronizer.java:270)
        at org.apache.wicket.Application$3.onDetach(Application.java:1798)
        at 
org.apache.wicket.request.cycle.RequestCycleListenerCollection$3.notify(RequestCycleListenerCollection.java:105)
        at 
org.apache.wicket.request.cycle.RequestCycleListenerCollection$3.notify(RequestCycleListenerCollection.java:101)
        at 
org.apache.wicket.util.listener.ListenerCollection$1.notify(ListenerCollection.java:120)
        at 
org.apache.wicket.util.listener.ListenerCollection.reversedNotify(ListenerCollection.java:144)
        at 
org.apache.wicket.util.listener.ListenerCollection.reversedNotifyIgnoringExceptions(ListenerCollection.java:113)
        at 
org.apache.wicket.request.cycle.RequestCycleListenerCollection.onDetach(RequestCycleListenerCollection.java:100)
        at 
org.apache.wicket.request.cycle.RequestCycle.onDetach(RequestCycle.java:649)
        at 
org.apache.wicket.request.cycle.RequestCycle.detach(RequestCycle.java:594)
        at 
org.apache.wicket.request.cycle.RequestCycle.processRequestAndDetach(RequestCycle.java:297)
        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:656)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:765)
        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:1043)
        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:656)
        at 
org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:765)
        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:52)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
        at 
org.apache.catalina.filters.CorsFilter.handleNonCORS(CorsFilter.java:367)
        at org.apache.catalina.filters.CorsFilter.doFilter(CorsFilter.java:173)
        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:28)
        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:73)
        at 
org.geoserver.ows.HTTPHeadersCollector.doFilter(HTTPHeadersCollector.java:48)
        at 
org.geoserver.filters.SpringDelegatingFilter$Chain.doFilter(SpringDelegatingFilter.java:70)
        at org.geoserver.filters.LoggingFilter.doFilter(LoggingFilter.java:194)
        at 
org.geoserver.filters.SpringDelegatingFilter$Chain.doFilter(SpringDelegatingFilter.java:70)
        at 
org.geoserver.filters.SpringDelegatingFilter.doFilter(SpringDelegatingFilter.java:43)
        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:39)
        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:71)
        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$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:75)
        at 
org.geoserver.security.filter.GeoServerCompositeFilter.doFilter(GeoServerCompositeFilter.java:92)
        at 
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
        at 
org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:71)
        at 
org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:119)
        at 
org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:75)
        at 
org.geoserver.security.filter.GeoServerCompositeFilter.doFilter(GeoServerCompositeFilter.java:92)
        at 
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
        at 
org.geoserver.security.filter.GeoServerAnonymousAuthenticationFilter.doFilter(GeoServerAnonymousAuthenticationFilter.java:53)
        at 
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
        at 
org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:71)
        at 
org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:200)
        at 
org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:75)
        at 
org.geoserver.security.filter.GeoServerCompositeFilter.doFilter(GeoServerCompositeFilter.java:92)
        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:71)
        at 
org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:158)
        at 
org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:75)
        at 
org.geoserver.security.filter.GeoServerCompositeFilter.doFilter(GeoServerCompositeFilter.java:92)
        at 
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:334)
        at 
org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:71)
        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:75)
        at 
org.geoserver.security.filter.GeoServerCompositeFilter.doFilter(GeoServerCompositeFilter.java:92)
        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.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:48)
        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:49)
        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:177)
        at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:97)
        at 
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:543)
        at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:135)
        at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92)
        at 
org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:698)
        at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:78)
        at 
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:367)
        at 
org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:639)
        at 
org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)
        at 
org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:885)
        at 
org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1688)
        at 
org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
        at 
org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191)
        at 
org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659)
        at 
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
        at java.lang.Thread.run(Thread.java:750)
Caused by: java.io.NotSerializableException: 
org.geoserver.catalog.impl.ResolvingProxy
        at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1184)
        at 
java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1548)
        at 
java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1509)
        at 
java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432)
        at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178)
        at 
java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1548)
        at 
java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1509)
        at 
java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432)
        at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178)
        at 
java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1548)
        at 
java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1509)
        at 
java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432)
        at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178)
        at 
java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1548)
        at 
java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1509)
        at 
java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432)
        at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178)
        at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:348)
        at java.util.ArrayList.writeObject(ArrayList.java:768)
        at sun.reflect.GeneratedMethodAccessor622.invoke(Unknown Source)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at 
java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:1154)
        at 
java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1496)
        at 
java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432)
        at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178)
        at 
java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1548)
        at 
java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1509)
        at 
java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432)
        at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178)
        at 
java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1548)
        at 
java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1509)
        at 
java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432)
        at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178)
        at 
java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1548)
        at 
java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1509)
        at 
java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432)
        at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178)
        at 
java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1548)
        at 
java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1509)
        at 
java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432)
        at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178)
        at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:348)
        at java.util.ArrayList.writeObject(ArrayList.java:768)
        at sun.reflect.GeneratedMethodAccessor622.invoke(Unknown Source)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at 
java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:1154)
        at 
java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1496)
        at 
java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432)
        at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178)
        at 
java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1548)
        at 
java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1509)
        at 
java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432)
        at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178)
        at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:348)
        at 
org.apache.commons.collections4.map.AbstractHashedMap.doWriteObject(AbstractHashedMap.java:1246)
        at 
org.apache.commons.collections4.map.LinkedMap.writeObject(LinkedMap.java:128)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at 
java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:1154)
        at 
java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1496)
        at 
java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432)
        at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178)
        at 
java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1548)
        at 
java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1509)
        at 
java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432)
        at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178)
        at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:348)
        at 
org.apache.wicket.serialize.java.JavaSerializer$SerializationCheckerObjectOutputStream.writeObjectOverride(JavaSerializer.java:368)
        ... 129 more
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