[Geoserver-devel] Wicket 7: error in logs when loading demo requests page

I see this error in the logs when loading the demo requests page using this build:
http://demo.geo-solutions.it/share/wicket7-cs/m2/geoserver-2.9-SNAPSHOT-bin.zip

The page itself seems to work perfectly.

Kind regards,
Ben.

2016-01-23 15:25:52,624 ERROR [java.JavaSerializer] - Error serializing object class org.geoserver.web.demo.DemoRequestsPage [object=[Page class = org.geoserver.web.demo.DemoRequestsPage, id = 33, render count = 1]]
org.apache.wicket.core.util.objects.checker.CheckingObjectOutputStream$ObjectCheckException: The object type is not Serializable!
A problem occurred while checking object with type: org.geoserver.platform.resource.DataDirectoryResourceStore
Field hierarchy is:
   33 [class=org.geoserver.web.demo.DemoRequestsPage, path=33]
     private final org.geoserver.platform.resource.Resource org.geoserver.web.demo.DemoRequestsPage.demoDir [class=org.geoserver.platform.resource.FileSystemResourceStore$FileSystemResource]
       final org.geoserver.platform.resource.FileSystemResourceStore org.geoserver.platform.resource.FileSystemResourceStore$FileSystemResource.this$0 [class=org.geoserver.platform.resource.DataDirectoryResourceStore] <----- field that is causing the problem
  at org.apache.wicket.core.util.objects.checker.CheckingObjectOutputStream.internalCheck(CheckingObjectOutputStream.java:364)
  at org.apache.wicket.core.util.objects.checker.CheckingObjectOutputStream.check(CheckingObjectOutputStream.java:343)
  at org.apache.wicket.core.util.objects.checker.CheckingObjectOutputStream.checkFields(CheckingObjectOutputStream.java:606)
  at org.apache.wicket.core.util.objects.checker.CheckingObjectOutputStream.internalCheck(CheckingObjectOutputStream.java:542)
  at org.apache.wicket.core.util.objects.checker.CheckingObjectOutputStream.check(CheckingObjectOutputStream.java:343)
  at org.apache.wicket.core.util.objects.checker.CheckingObjectOutputStream.checkFields(CheckingObjectOutputStream.java:606)
  at org.apache.wicket.core.util.objects.checker.CheckingObjectOutputStream.internalCheck(CheckingObjectOutputStream.java:542)
  at org.apache.wicket.core.util.objects.checker.CheckingObjectOutputStream.check(CheckingObjectOutputStream.java:343)
  at org.apache.wicket.core.util.objects.checker.CheckingObjectOutputStream.writeObjectOverride(CheckingObjectOutputStream.java:674)
  at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:344)
  at org.apache.wicket.serialize.java.JavaSerializer$SerializationCheckerObjectOutputStream.writeObjectOverride(JavaSerializer.java:271)
  at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:344)
  at org.apache.wicket.serialize.java.JavaSerializer.serialize(JavaSerializer.java:78)
  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:403)
  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:1786)
  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:645)
  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:687)
  at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
  at org.springframework.web.servlet.mvc.ServletWrappingController.handleRequestInternal(ServletWrappingController.java:156)
  at org.springframework.web.servlet.mvc.AbstractController.handleRequest(AbstractController.java:153)
  at org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter.handle(SimpleControllerHandlerAdapter.java:48)
  at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:933)
  at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:867)
  at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:953)
  at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:844)
  at javax.servlet.http.HttpServlet.service(HttpServlet.java:687)
  at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:829)
  at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
  at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:808)
  at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1669)
  at org.geoserver.filters.ThreadLocalsCleanupFilter.doFilter(ThreadLocalsCleanupFilter.java:28)
  at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
  at org.geoserver.filters.SpringDelegatingFilter$Chain.doFilter(SpringDelegatingFilter.java:75)
  at org.geoserver.wms.animate.AnimatorFilter.doFilter(AnimatorFilter.java:71)
  at org.geoserver.filters.SpringDelegatingFilter$Chain.doFilter(SpringDelegatingFilter.java:71)
  at org.geoserver.filters.SpringDelegatingFilter.doFilter(SpringDelegatingFilter.java:46)
  at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
  at org.geoserver.platform.AdvancedDispatchFilter.doFilter(AdvancedDispatchFilter.java:50)
  at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
  at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:311)
  at org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:69)
  at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:116)
  at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:83)
  at org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:73)
  at org.geoserver.security.filter.GeoServerCompositeFilter.doFilter(GeoServerCompositeFilter.java:92)
  at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
  at org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:69)
  at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113)
  at org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:73)
  at org.geoserver.security.filter.GeoServerCompositeFilter.doFilter(GeoServerCompositeFilter.java:92)
  at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
  at org.geoserver.security.filter.GeoServerAnonymousAuthenticationFilter.doFilter(GeoServerAnonymousAuthenticationFilter.java:54)
  at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
  at org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:69)
  at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:182)
  at org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:73)
  at org.geoserver.security.filter.GeoServerCompositeFilter.doFilter(GeoServerCompositeFilter.java:92)
  at org.geoserver.security.filter.GeoServerUserNamePasswordAuthenticationFilter.doFilter(GeoServerUserNamePasswordAuthenticationFilter.java:116)
  at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
  at org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:69)
  at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146)
  at org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:73)
  at org.geoserver.security.filter.GeoServerCompositeFilter.doFilter(GeoServerCompositeFilter.java:92)
  at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
  at org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:69)
  at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87)
  at org.geoserver.security.filter.GeoServerSecurityContextPersistenceFilter$1.doFilter(GeoServerSecurityContextPersistenceFilter.java:53)
  at org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:73)
  at org.geoserver.security.filter.GeoServerCompositeFilter.doFilter(GeoServerCompositeFilter.java:92)
  at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
  at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:173)
  at org.geoserver.security.GeoServerSecurityFilterChainProxy.doFilter(GeoServerSecurityFilterChainProxy.java:135)
  at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:343)
  at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:260)
  at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
  at org.geoserver.filters.LoggingFilter.doFilter(LoggingFilter.java:87)
  at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
  at org.geoserver.filters.GZIPFilter.doFilter(GZIPFilter.java:42)
  at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
  at org.geoserver.filters.SessionDebugFilter.doFilter(SessionDebugFilter.java:48)
  at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
  at org.geoserver.filters.FlushSafeFilter.doFilter(FlushSafeFilter.java:44)
  at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
  at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
  at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:106)
  at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
  at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:585)
  at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)
  at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:577)
  at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:223)
  at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1127)
  at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:515)
  at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)
  at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1061)
  at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
  at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:215)
  at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:110)
  at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)
  at org.eclipse.jetty.server.Server.handle(Server.java:499)
  at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:310)
  at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:257)
  at org.eclipse.jetty.io.AbstractConnection$2.run(AbstractConnection.java:540)
  at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)
  at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555)
  at java.lang.Thread.run(Thread.java:745)
Caused by: java.io.NotSerializableException: org.geoserver.platform.resource.DataDirectoryResourceStore
  at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1184)
  at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1548)
  at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1509)
  at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432)
  at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178)
  at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1548)
  at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1509)
  at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432)
  at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178)
  at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:348)
  at org.apache.wicket.serialize.java.JavaSerializer$SerializationCheckerObjectOutputStream.writeObjectOverride(JavaSerializer.java:260)
  ... 112 more
2016-01-23 15:25:52,626 WARN [pageStore.AbstractPageStore] - Page [Page class = org.geoserver.web.demo.DemoRequestsPage, id = 33, render count = 1] cannot be serialized. See previous logs for possible reasons.
2016-01-23 15:25:52,626 WARN [pageStore.DefaultPageStore] - Page [Page class = org.geoserver.web.demo.DemoRequestsPage, id = 33, render count = 1] cannot be serialized. See previous logs for possible reasons.

--
Ben Caradoc-Davies <ben@anonymised.com>
Director
Transient Software Limited <http://transient.nz/&gt;
New Zealand

Hi Ben,

I'm pleased to report that Torben fixed that issues earlier today.

Cheers,

Jim

On 1/22/2016 9:31 PM, Ben Caradoc-Davies wrote:

I see this error in the logs when loading the demo requests page using
this build:
http://demo.geo-solutions.it/share/wicket7-cs/m2/geoserver-2.9-SNAPSHOT-bin.zip

The page itself seems to work perfectly.

Kind regards,
Ben.

2016-01-23 15:25:52,624 ERROR [java.JavaSerializer] - Error serializing
object class org.geoserver.web.demo.DemoRequestsPage [object=[Page class
= org.geoserver.web.demo.DemoRequestsPage, id = 33, render count = 1]]
org.apache.wicket.core.util.objects.checker.CheckingObjectOutputStream$ObjectCheckException:
The object type is not Serializable!
A problem occurred while checking object with type:
org.geoserver.platform.resource.DataDirectoryResourceStore
Field hierarchy is:
    33 [class=org.geoserver.web.demo.DemoRequestsPage, path=33]
      private final org.geoserver.platform.resource.Resource
org.geoserver.web.demo.DemoRequestsPage.demoDir
[class=org.geoserver.platform.resource.FileSystemResourceStore$FileSystemResource]
        final org.geoserver.platform.resource.FileSystemResourceStore
org.geoserver.platform.resource.FileSystemResourceStore$FileSystemResource.this$0
[class=org.geoserver.platform.resource.DataDirectoryResourceStore]
<----- field that is causing the problem
  at
org.apache.wicket.core.util.objects.checker.CheckingObjectOutputStream.internalCheck(CheckingObjectOutputStream.java:364)
  at
org.apache.wicket.core.util.objects.checker.CheckingObjectOutputStream.check(CheckingObjectOutputStream.java:343)
  at
org.apache.wicket.core.util.objects.checker.CheckingObjectOutputStream.checkFields(CheckingObjectOutputStream.java:606)
  at
org.apache.wicket.core.util.objects.checker.CheckingObjectOutputStream.internalCheck(CheckingObjectOutputStream.java:542)
  at
org.apache.wicket.core.util.objects.checker.CheckingObjectOutputStream.check(CheckingObjectOutputStream.java:343)
  at
org.apache.wicket.core.util.objects.checker.CheckingObjectOutputStream.checkFields(CheckingObjectOutputStream.java:606)
  at
org.apache.wicket.core.util.objects.checker.CheckingObjectOutputStream.internalCheck(CheckingObjectOutputStream.java:542)
  at
org.apache.wicket.core.util.objects.checker.CheckingObjectOutputStream.check(CheckingObjectOutputStream.java:343)
  at
org.apache.wicket.core.util.objects.checker.CheckingObjectOutputStream.writeObjectOverride(CheckingObjectOutputStream.java:674)
  at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:344)
  at
org.apache.wicket.serialize.java.JavaSerializer$SerializationCheckerObjectOutputStream.writeObjectOverride(JavaSerializer.java:271)
  at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:344)
  at
org.apache.wicket.serialize.java.JavaSerializer.serialize(JavaSerializer.java:78)
  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:403)
  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:1786)
  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:645)
  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:687)
  at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
  at
org.springframework.web.servlet.mvc.ServletWrappingController.handleRequestInternal(ServletWrappingController.java:156)
  at
org.springframework.web.servlet.mvc.AbstractController.handleRequest(AbstractController.java:153)
  at
org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter.handle(SimpleControllerHandlerAdapter.java:48)
  at
org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:933)
  at
org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:867)
  at
org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:953)
  at
org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:844)
  at javax.servlet.http.HttpServlet.service(HttpServlet.java:687)
  at
org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:829)
  at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
  at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:808)
  at
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1669)
  at
org.geoserver.filters.ThreadLocalsCleanupFilter.doFilter(ThreadLocalsCleanupFilter.java:28)
  at
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
  at
org.geoserver.filters.SpringDelegatingFilter$Chain.doFilter(SpringDelegatingFilter.java:75)
  at
org.geoserver.wms.animate.AnimatorFilter.doFilter(AnimatorFilter.java:71)
  at
org.geoserver.filters.SpringDelegatingFilter$Chain.doFilter(SpringDelegatingFilter.java:71)
  at
org.geoserver.filters.SpringDelegatingFilter.doFilter(SpringDelegatingFilter.java:46)
  at
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
  at
org.geoserver.platform.AdvancedDispatchFilter.doFilter(AdvancedDispatchFilter.java:50)
  at
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
  at
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:311)
  at
org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:69)
  at
org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:116)
  at
org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:83)
  at
org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:73)
  at
org.geoserver.security.filter.GeoServerCompositeFilter.doFilter(GeoServerCompositeFilter.java:92)
  at
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
  at
org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:69)
  at
org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113)
  at
org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:73)
  at
org.geoserver.security.filter.GeoServerCompositeFilter.doFilter(GeoServerCompositeFilter.java:92)
  at
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
  at
org.geoserver.security.filter.GeoServerAnonymousAuthenticationFilter.doFilter(GeoServerAnonymousAuthenticationFilter.java:54)
  at
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
  at
org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:69)
  at
org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:182)
  at
org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:73)
  at
org.geoserver.security.filter.GeoServerCompositeFilter.doFilter(GeoServerCompositeFilter.java:92)
  at
org.geoserver.security.filter.GeoServerUserNamePasswordAuthenticationFilter.doFilter(GeoServerUserNamePasswordAuthenticationFilter.java:116)
  at
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
  at
org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:69)
  at
org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146)
  at
org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:73)
  at
org.geoserver.security.filter.GeoServerCompositeFilter.doFilter(GeoServerCompositeFilter.java:92)
  at
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
  at
org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:69)
  at
org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87)
  at
org.geoserver.security.filter.GeoServerSecurityContextPersistenceFilter$1.doFilter(GeoServerSecurityContextPersistenceFilter.java:53)
  at
org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:73)
  at
org.geoserver.security.filter.GeoServerCompositeFilter.doFilter(GeoServerCompositeFilter.java:92)
  at
org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
  at
org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:173)
  at
org.geoserver.security.GeoServerSecurityFilterChainProxy.doFilter(GeoServerSecurityFilterChainProxy.java:135)
  at
org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:343)
  at
org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:260)
  at
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
  at org.geoserver.filters.LoggingFilter.doFilter(LoggingFilter.java:87)
  at
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
  at org.geoserver.filters.GZIPFilter.doFilter(GZIPFilter.java:42)
  at
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
  at
org.geoserver.filters.SessionDebugFilter.doFilter(SessionDebugFilter.java:48)
  at
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
  at org.geoserver.filters.FlushSafeFilter.doFilter(FlushSafeFilter.java:44)
  at
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
  at
org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
  at
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:106)
  at
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
  at
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:585)
  at
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)
  at
org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:577)
  at
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:223)
  at
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1127)
  at
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:515)
  at
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)
  at
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1061)
  at
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
  at
org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:215)
  at
org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:110)
  at
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)
  at org.eclipse.jetty.server.Server.handle(Server.java:499)
  at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:310)
  at
org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:257)
  at
org.eclipse.jetty.io.AbstractConnection$2.run(AbstractConnection.java:540)
  at
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)
  at
org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555)
  at java.lang.Thread.run(Thread.java:745)
Caused by: java.io.NotSerializableException:
org.geoserver.platform.resource.DataDirectoryResourceStore
  at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1184)
  at
java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1548)
  at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1509)
  at
java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432)
  at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178)
  at
java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1548)
  at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1509)
  at
java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432)
  at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178)
  at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:348)
  at
org.apache.wicket.serialize.java.JavaSerializer$SerializationCheckerObjectOutputStream.writeObjectOverride(JavaSerializer.java:260)
  ... 112 more
2016-01-23 15:25:52,626 WARN [pageStore.AbstractPageStore] - Page [Page
class = org.geoserver.web.demo.DemoRequestsPage, id = 33, render count =
1] cannot be serialized. See previous logs for possible reasons.
2016-01-23 15:25:52,626 WARN [pageStore.DefaultPageStore] - Page [Page
class = org.geoserver.web.demo.DemoRequestsPage, id = 33, render count =
1] cannot be serialized. See previous logs for possible reasons.

Great! Thanks Jim and Torben.

On 23/01/16 15:35, Jim Hughes wrote:

Hi Ben,

I'm pleased to report that Torben fixed that issues earlier today.

Cheers,

Jim

On 1/22/2016 9:31 PM, Ben Caradoc-Davies wrote:

>I see this error in the logs when loading the demo requests page using
>this build:
>http://demo.geo-solutions.it/share/wicket7-cs/m2/geoserver-2.9-SNAPSHOT-bin.zip
>
>The page itself seems to work perfectly.
>
>Kind regards,
>Ben.
>

--
Ben Caradoc-Davies <ben@anonymised.com>
Director
Transient Software Limited <http://transient.nz/&gt;
New Zealand