[Geoserver-devel] [jira] (GEOS-6422) Several exceptions logged after import due to non serializable classes referenced by Import pages

Andrea Aime created an issue

GeoServer / BugGEOS-6422

Several exceptions logged after import due to non serializable classes referenced by Import pages

Issue Type:

BugBug

Assignee:

Justin Deoliveira

Components:

Importer

Created:

30/Mar/14 9:09 AM

Priority:

MajorMajor

Reporter:

Andrea Aime

We have at least one model in which the loadable construct is not implemented as it should, which leads the model to reference the import context directly:

30 mar 13:40:03 ERROR [lang.Objects] - Error serializing object class org.geoserver.importer.web.ImportPage [object=[Page class = org.geoserver.importer.web.ImportPage, id = 31, version = 0, ajax = 177]]
org.apache.wicket.util.io.SerializableChecker$WicketNotSerializableException: Unable to serialize class: org.geoserver.config.impl.GeoServerImpl
Field hierarchy is:
  31 [class=org.geoserver.importer.web.ImportPage, path=31]
    private java.lang.Object org.apache.wicket.MarkupContainer.children [class=[Ljava.lang.Object;]
      private org.apache.wicket.markup.html.ContainerWithAssociatedMarkupHelper org.apache.wicket.markup.html.WebMarkupContainerWithAssociatedMarkup.markupHelper[22] [class=org.apache.wicket.markup.html.basic.Label, path=31:title]
        java.lang.Object org.apache.wicket.Component.data [class=[Ljava.lang.Object;]
          java.lang.Object org.apache.wicket.Component.data[0] [class=org.geoserver.importer.web.ImportPage$DataTitleModel]
            org.geoserver.importer.ImportContext org.geoserver.importer.web.ImportPage$DataTitleModel.imp [class=org.geoserver.importer.ImportContext]
              java.util.List org.geoserver.importer.ImportContext.tasks [class=java.util.ArrayList]
                java.util.List org.geoserver.importer.ImportContext.tasks[write:1] [class=org.geoserver.importer.ImportTask]
                  org.geoserver.catalog.LayerInfo org.geoserver.importer.ImportTask.layer [class=$Proxy12]
                    protected java.lang.reflect.InvocationHandler java.lang.reflect.Proxy.h [class=org.geoserver.catalog.impl.ModificationProxy]
                      java.util.HashMap org.geoserver.catalog.impl.ModificationProxy.properties [class=java.util.HashMap]
                        java.util.HashMap org.geoserver.catalog.impl.ModificationProxy.properties[write:1][write:2] [class=$Proxy10]
                          protected java.lang.reflect.InvocationHandler java.lang.reflect.Proxy.h [class=org.geoserver.catalog.impl.ModificationProxy]
                            java.util.HashMap org.geoserver.catalog.impl.ModificationProxy.properties [class=java.util.HashMap]
                              java.util.HashMap org.geoserver.catalog.impl.ModificationProxy.properties[write:4][write:5] [class=org.geoserver.catalog.impl.LocalWorkspaceCatalog]
                                private org.geoserver.config.GeoServer org.geoserver.catalog.impl.LocalWorkspaceCatalog.geoServer [class=org.geoserver.config.impl.GeoServerImpl] <----- field that is not serializable
	at org.apache.wicket.util.io.SerializableChecker.check(SerializableChecker.java:346)
	at org.apache.wicket.util.io.SerializableChecker.checkFields(SerializableChecker.java:615)
	at org.apache.wicket.util.io.SerializableChecker.check(SerializableChecker.java:538)
	at org.apache.wicket.util.io.SerializableChecker.access$500(SerializableChecker.java:63)
	at org.apache.wicket.util.io.SerializableChecker$1InterceptingObjectOutputStream.replaceObject(SerializableChecker.java:494)
	at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1124)
	at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:330)
	at java.util.HashMap.writeObject(HashMap.java:1001)
	at sun.reflect.GeneratedMethodAccessor178.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:940)
	at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1469)
	at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1400)
	at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1158)
	at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:330)
	at org.apache.wicket.util.io.SerializableChecker.check(SerializableChecker.java:501)
	at org.apache.wicket.util.io.SerializableChecker.checkFields(SerializableChecker.java:615)
	at org.apache.wicket.util.io.SerializableChecker.check(SerializableChecker.java:538)
	at org.apache.wicket.util.io.SerializableChecker.checkFields(SerializableChecker.java:615)
	at org.apache.wicket.util.io.SerializableChecker.check(SerializableChecker.java:538)
	at org.apache.wicket.util.io.SerializableChecker.access$500(SerializableChecker.java:63)
	at org.apache.wicket.util.io.SerializableChecker$1InterceptingObjectOutputStream.replaceObject(SerializableChecker.java:494)
	at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1124)
	at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:330)
	at java.util.HashMap.writeObject(HashMap.java:1001)
	at sun.reflect.GeneratedMethodAccessor178.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:940)
	at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1469)
	at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1400)
	at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1158)
	at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:330)
	at org.apache.wicket.util.io.SerializableChecker.check(SerializableChecker.java:501)
	at org.apache.wicket.util.io.SerializableChecker.checkFields(SerializableChecker.java:615)
	at org.apache.wicket.util.io.SerializableChecker.check(SerializableChecker.java:538)
	at org.apache.wicket.util.io.SerializableChecker.checkFields(SerializableChecker.java:615)
	at org.apache.wicket.util.io.SerializableChecker.check(SerializableChecker.java:538)
	at org.apache.wicket.util.io.SerializableChecker.checkFields(SerializableChecker.java:615)
	at org.apache.wicket.util.io.SerializableChecker.check(SerializableChecker.java:538)
	at org.apache.wicket.util.io.SerializableChecker.access$500(SerializableChecker.java:63)
	at org.apache.wicket.util.io.SerializableChecker$1InterceptingObjectOutputStream.replaceObject(SerializableChecker.java:494)
	at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1124)
	at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:330)
	at java.util.ArrayList.writeObject(ArrayList.java:570)
	at sun.reflect.GeneratedMethodAccessor169.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:940)
	at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1469)
	at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1400)
	at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1158)
	at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:330)
	at org.apache.wicket.util.io.SerializableChecker.check(SerializableChecker.java:501)
	at org.apache.wicket.util.io.SerializableChecker.checkFields(SerializableChecker.java:615)
	at org.apache.wicket.util.io.SerializableChecker.check(SerializableChecker.java:538)
	at org.apache.wicket.util.io.SerializableChecker.checkFields(SerializableChecker.java:615)
	at org.apache.wicket.util.io.SerializableChecker.check(SerializableChecker.java:538)
	at org.apache.wicket.util.io.SerializableChecker.check(SerializableChecker.java:392)
	at org.apache.wicket.util.io.SerializableChecker.checkFields(SerializableChecker.java:615)
	at org.apache.wicket.util.io.SerializableChecker.check(SerializableChecker.java:538)
	at org.apache.wicket.util.io.SerializableChecker.check(SerializableChecker.java:392)
	at org.apache.wicket.util.io.SerializableChecker.checkFields(SerializableChecker.java:615)
	at org.apache.wicket.util.io.SerializableChecker.check(SerializableChecker.java:538)
	at org.apache.wicket.util.io.SerializableChecker.writeObjectOverride(SerializableChecker.java:684)
	at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:326)
	at org.apache.wicket.util.io.IObjectStreamFactory$DefaultObjectStreamFactory$2.writeObjectOverride(IObjectStreamFactory.java:129)
	at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:326)
	at org.apache.wicket.util.lang.Objects.objectToByteArray(Objects.java:1124)
	at org.apache.wicket.protocol.http.pagestore.AbstractPageStore.serializePage(AbstractPageStore.java:203)
	at org.apache.wicket.protocol.http.pagestore.DiskPageStore.storePage(DiskPageStore.java:840)
	at org.apache.wicket.protocol.http.SecondLevelCacheSessionStore$SecondLevelCachePageMap.put(SecondLevelCacheSessionStore.java:332)
	at org.apache.wicket.Session.requestDetached(Session.java:1403)
	at org.apache.wicket.RequestCycle.detach(RequestCycle.java:1176)
	at org.apache.wicket.RequestCycle.steps(RequestCycle.java:1462)
	at org.apache.wicket.RequestCycle.request(RequestCycle.java:545)
	at org.apache.wicket.protocol.http.WicketFilter.doGet(WicketFilter.java:484)
	at org.apache.wicket.protocol.http.WicketServlet.doGet(WicketServlet.java:138)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
	at org.springframework.web.servlet.mvc.ServletWrappingController.handleRequestInternal(ServletWrappingController.java:159)
	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:923)
	at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:852)
	at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:882)
	at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:778)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
	at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:487)
	at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1093)
	at org.geoserver.filters.ThreadLocalsCleanupFilter.doFilter(ThreadLocalsCleanupFilter.java:27)
	at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084)
	at org.geoserver.filters.SpringDelegatingFilter$Chain.doFilter(SpringDelegatingFilter.java:74)
	at org.geoserver.wms.animate.AnimatorFilter.doFilter(AnimatorFilter.java:70)
	at org.geoserver.filters.SpringDelegatingFilter$Chain.doFilter(SpringDelegatingFilter.java:70)
	at org.geoserver.filters.SpringDelegatingFilter.doFilter(SpringDelegatingFilter.java:45)
	at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084)
	at org.geoserver.platform.AdvancedDispatchFilter.doFilter(AdvancedDispatchFilter.java:49)
	at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:311)
	at org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:68)
	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$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:72)
	at org.geoserver.security.filter.GeoServerCompositeFilter.doFilter(GeoServerCompositeFilter.java:91)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
	at org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:68)
	at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113)
	at org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:72)
	at org.geoserver.security.filter.GeoServerCompositeFilter.doFilter(GeoServerCompositeFilter.java:91)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
	at org.geoserver.security.filter.GeoServerAnonymousAuthenticationFilter.doFilter(GeoServerAnonymousAuthenticationFilter.java:53)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
	at org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:68)
	at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:182)
	at org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:72)
	at org.geoserver.security.filter.GeoServerCompositeFilter.doFilter(GeoServerCompositeFilter.java:91)
	at org.geoserver.security.filter.GeoServerUserNamePasswordAuthenticationFilter.doFilter(GeoServerUserNamePasswordAuthenticationFilter.java:115)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
	at org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:68)
	at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:146)
	at org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:72)
	at org.geoserver.security.filter.GeoServerCompositeFilter.doFilter(GeoServerCompositeFilter.java:91)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
	at org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:68)
	at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87)
	at org.geoserver.security.filter.GeoServerSecurityContextPersistenceFilter$1.doFilter(GeoServerSecurityContextPersistenceFilter.java:52)
	at org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:72)
	at org.geoserver.security.filter.GeoServerCompositeFilter.doFilter(GeoServerCompositeFilter.java:91)
	at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:323)
	at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:173)
	at org.geoserver.security.GeoServerSecurityFilterChainProxy.doFilter(GeoServerSecurityFilterChainProxy.java:134)
	at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:346)
	at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:259)
	at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084)
	at org.geoserver.filters.LoggingFilter.doFilter(LoggingFilter.java:75)
	at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084)
	at org.geoserver.filters.GZIPFilter.doFilter(GZIPFilter.java:42)
	at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084)
	at org.geoserver.filters.SessionDebugFilter.doFilter(SessionDebugFilter.java:47)
	at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084)
	at org.geoserver.filters.FlushSafeFilter.doFilter(FlushSafeFilter.java:43)
	at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084)
	at org.vfny.geoserver.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:109)
	at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084)
	at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:360)
	at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
	at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181)
	at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:726)
	at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:405)
	at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
	at org.mortbay.jetty.Server.handle(Server.java:324)
	at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:505)
	at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:828)
	at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:514)
	at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:211)
	at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:380)
	at org.mortbay.jetty.bio.SocketConnector$Connection.run(SocketConnector.java:228)
	at org.mortbay.thread.BoundedThreadPool$PoolThread.run(BoundedThreadPool.java:450)
Caused by: java.io.NotSerializableException: org.geoserver.config.impl.GeoServerImpl
	at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1164)
	at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1518)
	at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1483)
	at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1400)
	at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1158)
	at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:330)
	at java.util.HashMap.writeObject(HashMap.java:1001)
	at sun.reflect.GeneratedMethodAccessor178.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:940)
	at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1469)
	at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1400)
	at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1158)
	at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1518)
	at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1483)
	at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1400)
	at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1158)
	at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1518)
	at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1483)
	at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1400)
	at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1158)
	at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:330)
	at java.util.HashMap.writeObject(HashMap.java:1001)
	at sun.reflect.GeneratedMethodAccessor178.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:940)
	at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1469)
	at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1400)
	at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1158)
	at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1518)
	at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1483)
	at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1400)
	at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1158)
	at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1518)
	at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1483)
	at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1400)
	at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1158)
	at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1518)
	at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1483)
	at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1400)
	at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1158)
	at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:330)
	at java.util.ArrayList.writeObject(ArrayList.java:570)
	at sun.reflect.GeneratedMethodAccessor169.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:940)
	at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1469)
	at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1400)
	at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1158)
	at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1518)
	at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1483)
	at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1400)
	at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1158)
	at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1518)
	at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1483)
	at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1400)
	at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1158)
	at java.io.ObjectOutputStream.writeArray(ObjectOutputStream.java:1346)
	at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1154)
	at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1518)
	at java.io.ObjectOutputStream.defaultWriteObject(ObjectOutputStream.java:422)
	at org.apache.wicket.Component.writeObject(Component.java:4660)
	at sun.reflect.GeneratedMethodAccessor166.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:940)
	at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1469)
	at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1400)
	at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1158)
	at java.io.ObjectOutputStream.writeArray(ObjectOutputStream.java:1346)
	at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1154)
	at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1518)
	at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1483)
	at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1400)
	at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1158)
	at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:330)
	at org.apache.wicket.util.io.IObjectStreamFactory$DefaultObjectStreamFactory$2.writeObjectOverride(IObjectStreamFactory.java:121)
	... 93 more

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