Hi all,

Spotted that on a GetCapabilities request I'm getting the below 
ServiceException (error log at end of email):
        javax.xml.transform.TransformerException: Translator error Translator 
error Can't obtain Envelope of Layer-Groups: null

And when I went to check the Layer Groups page on web admin page I got another 
error (see end of email).

Recently updated to Version 2.5.5.1, running on Windows Server 2008 in Tomcat 7.

I have a snapshot of the data directory from earlier in the week on another 
machine which is working fine, the only things I can remember doing since the 
snapshot were:

- Created a new PostGIS Store
- Published 5 layers from that store
- Added 5 styles for those layers
- Created a new Layer Group of those 5 layers

Also all the web admin pages appear to be loading slower than normal and I'm 
getting some timeouts.

Any ideas anyone before I try overwriting the data dir with the snapshot?

Many thanks,

Rob


Error logs below:

Layer Groups page:
org.apache.wicket.WicketRuntimeException: Can't instantiate page using 
constructor public org.geoserver.web.data.layergroup.LayerGroupPage()
        at 
org.apache.wicket.session.DefaultPageFactory.createPage(DefaultPageFactory.java:212)
        at 
org.apache.wicket.session.DefaultPageFactory.newPage(DefaultPageFactory.java:57)
        at 
org.apache.wicket.request.target.component.BookmarkablePageRequestTarget.newPage(BookmarkablePageRequestTarget.java:298)
        at 
org.apache.wicket.request.target.component.BookmarkablePageRequestTarget.getPage(BookmarkablePageRequestTarget.java:320)
        at 
org.apache.wicket.request.target.component.BookmarkablePageRequestTarget.processEvents(BookmarkablePageRequestTarget.java:234)
        at 
org.apache.wicket.request.AbstractRequestCycleProcessor.processEvents(AbstractRequestCycleProcessor.java:92)
        at 
org.apache.wicket.RequestCycle.processEventsAndRespond(RequestCycle.java:1250)
        at org.apache.wicket.RequestCycle.step(RequestCycle.java:1329)
        at org.apache.wicket.RequestCycle.steps(RequestCycle.java:1436)
        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:621)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
        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:621)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
        at 
org.apache.catalina.filters.CorsFilter.handleNonCORS(CorsFilter.java:439)
        at org.apache.catalina.filters.CorsFilter.doFilter(CorsFilter.java:178)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
        at 
org.geoserver.filters.ThreadLocalsCleanupFilter.doFilter(ThreadLocalsCleanupFilter.java:28)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
        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.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
        at 
org.geoserver.platform.AdvancedDispatchFilter.doFilter(AdvancedDispatchFilter.java:50)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
        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:346)
        at 
org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:259)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
        at org.geoserver.filters.LoggingFilter.doFilter(LoggingFilter.java:76)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
        at org.geoserver.filters.GZIPFilter.doFilter(GZIPFilter.java:48)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
        at 
org.geoserver.filters.SessionDebugFilter.doFilter(SessionDebugFilter.java:48)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
        at 
org.geoserver.filters.FlushSafeFilter.doFilter(FlushSafeFilter.java:44)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
        at 
org.vfny.geoserver.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:109)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
        at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)
        at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
        at 
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
        at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
        at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)
        at 
org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:953)
        at 
org.apache.catalina.valves.RemoteIpValve.invoke(RemoteIpValve.java:680)
        at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
        at 
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
        at 
org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1023)
        at 
org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589)
        at 
org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:310)
        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown 
Source)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
        at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.reflect.InvocationTargetException
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown 
Source)
        at java.lang.reflect.Constructor.newInstance(Unknown Source)
        at 
org.apache.wicket.session.DefaultPageFactory.createPage(DefaultPageFactory.java:192)
        ... 107 more
Caused by: java.lang.NullPointerException
        at 
org.geoserver.security.SecureCatalogImpl.checkAccess(SecureCatalogImpl.java:630)
        at 
org.geoserver.security.SecureCatalogImpl.checkAccess(SecureCatalogImpl.java:482)
        at 
org.geoserver.security.SecureCatalogImpl.checkAccess(SecureCatalogImpl.java:632)
        at 
org.geoserver.security.SecureCatalogImpl.filterGroups(SecureCatalogImpl.java:947)
        at 
org.geoserver.security.SecureCatalogImpl.getLayerGroups(SecureCatalogImpl.java:311)
        at 
org.geoserver.catalog.impl.AbstractFilteredCatalog.getLayerGroups(AbstractFilteredCatalog.java:249)
        at 
org.geoserver.catalog.impl.AbstractCatalogDecorator.getLayerGroups(AbstractCatalogDecorator.java:457)
        at 
org.geoserver.catalog.impl.LocalWorkspaceCatalog.getLayerGroups(LocalWorkspaceCatalog.java:198)
        at 
org.geoserver.web.data.layergroup.LayerGroupProvider.getItems(LayerGroupProvider.java:41)
        at 
org.geoserver.web.wicket.GeoServerDataProvider.fullSize(GeoServerDataProvider.java:237)
        at 
org.geoserver.web.wicket.GeoServerTablePanel$PagerDelegate.updateMatched(GeoServerTablePanel.java:563)
        at 
org.geoserver.web.wicket.GeoServerTablePanel$PagerDelegate.<init>(GeoServerTablePanel.java:556)
        at 
org.geoserver.web.wicket.GeoServerTablePanel.<init>(GeoServerTablePanel.java:220)
        at 
org.geoserver.web.data.layergroup.LayerGroupPage$1.<init>(LayerGroupPage.java:37)
        at 
org.geoserver.web.data.layergroup.LayerGroupPage.<init>(LayerGroupPage.java:37)
        ... 112 more


WMS GetCapabilities:
2015-07-06 08:30:59,098 INFO [geoserver.wms] - 
Request: getCapabilities
        Namespace = null
        UpdateSequence = null
        Version = 1.3.0
        Request = GetCapabilities
        Get = false
        RawKvp = {REQUEST=GetCapabilities}
        BaseUrl = http://myUrlWasHere/geoserver/
        RequestCharset = null
2015-07-06 08:30:59,130 ERROR [geoserver.ows] - 
org.geoserver.platform.ServiceException: 
javax.xml.transform.TransformerException: Translator error
        at 
org.geoserver.wms.capabilities.Capabilities_1_3_0_Response.write(Capabilities_1_3_0_Response.java:50)
        at org.geoserver.ows.Dispatcher.response(Dispatcher.java:936)
        at 
org.geoserver.ows.Dispatcher.handleRequestInternal(Dispatcher.java:277)
        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:621)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
        at 
org.apache.catalina.filters.CorsFilter.handleNonCORS(CorsFilter.java:439)
        at org.apache.catalina.filters.CorsFilter.doFilter(CorsFilter.java:178)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
        at 
org.geoserver.filters.ThreadLocalsCleanupFilter.doFilter(ThreadLocalsCleanupFilter.java:28)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
        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.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
        at 
org.geoserver.platform.AdvancedDispatchFilter.doFilter(AdvancedDispatchFilter.java:50)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
        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$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:69)
        at 
org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150)
        at 
org.geoserver.security.filter.GeoServerCompositeFilter$NestedFilterChain.doFilter(GeoServerCompositeFilter.java:73)
        at 
org.geoserver.security.filter.GeoServerCompositeFilter.doFilter(GeoServerCompositeFilter.java:92)
        at 
org.geoserver.security.filter.GeoServerBasicAuthenticationFilter.doFilter(GeoServerBasicAuthenticationFilter.java:83)
        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:346)
        at 
org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:259)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
        at org.geoserver.filters.LoggingFilter.doFilter(LoggingFilter.java:76)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
        at org.geoserver.filters.GZIPFilter.doFilter(GZIPFilter.java:48)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
        at 
org.geoserver.filters.SessionDebugFilter.doFilter(SessionDebugFilter.java:48)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
        at 
org.geoserver.filters.FlushSafeFilter.doFilter(FlushSafeFilter.java:44)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
        at 
org.vfny.geoserver.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:109)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
        at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)
        at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
        at 
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
        at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
        at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)
        at 
org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:953)
        at 
org.apache.catalina.valves.RemoteIpValve.invoke(RemoteIpValve.java:680)
        at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
        at 
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
        at 
org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1023)
        at 
org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589)
        at 
org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:310)
        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown 
Source)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
        at java.lang.Thread.run(Unknown Source)
Caused by: javax.xml.transform.TransformerException: Translator error
        at 
org.geotools.xml.transform.TransformerBase.transform(TransformerBase.java:137)
        at 
org.geotools.xml.transform.TransformerBase.transform(TransformerBase.java:112)
        at 
org.geoserver.wms.capabilities.Capabilities_1_3_0_Response.write(Capabilities_1_3_0_Response.java:48)
        ... 90 more
Caused by: java.lang.RuntimeException: Can't obtain Envelope of Layer-Groups: 
null
        at 
org.geoserver.wms.capabilities.Capabilities_1_3_0_Transformer$Capabilities_1_3_0_Translator.handleLayers(Capabilities_1_3_0_Transformer.java:671)
        at 
org.geoserver.wms.capabilities.Capabilities_1_3_0_Transformer$Capabilities_1_3_0_Translator.handleCapability(Capabilities_1_3_0_Transformer.java:432)
        at 
org.geoserver.wms.capabilities.Capabilities_1_3_0_Transformer$Capabilities_1_3_0_Translator.encode(Capabilities_1_3_0_Transformer.java:265)
        at 
org.geotools.xml.transform.TransformerBase$XMLReaderSupport.parse(TransformerBase.java:1026)
        at 
org.apache.xalan.transformer.TransformerIdentityImpl.transform(TransformerIdentityImpl.java:485)
        at 
org.geotools.xml.transform.TransformerBase$Task.run(TransformerBase.java:300)
        at 
org.geotools.xml.transform.TransformerBase.transform(TransformerBase.java:133)
        ... 92 more
Caused by: java.lang.NullPointerException
        at 
org.geoserver.catalog.impl.AdvertisedCatalog.checkAccess(AdvertisedCatalog.java:134)
        at 
org.geoserver.catalog.impl.AdvertisedCatalog.checkAccess(AdvertisedCatalog.java:138)
        at 
org.geoserver.catalog.impl.AdvertisedCatalog$2.evaluate(AdvertisedCatalog.java:219)
        at 
org.geoserver.catalog.impl.AdvertisedCatalog$2.evaluate(AdvertisedCatalog.java:208)
        at org.geotools.filter.FilterAbstract.eval(FilterAbstract.java:129)
        at 
org.geotools.filter.MultiCompareFilterImpl.evaluate(MultiCompareFilterImpl.java:67)
        at org.geotools.filter.AndImpl.evaluate(AndImpl.java:57)
        at 
org.geoserver.catalog.impl.DefaultCatalogFacade$1.apply(DefaultCatalogFacade.java:1189)
        at 
org.geoserver.catalog.impl.DefaultCatalogFacade$1.apply(DefaultCatalogFacade.java:1185)
        at com.google.common.collect.Iterators$7.computeNext(Iterators.java:647)
        at 
com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:143)
        at 
com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:138)
        at 
org.geoserver.catalog.util.CloseableIteratorAdapter.hasNext(CloseableIteratorAdapter.java:47)
        at 
com.google.common.collect.TransformedIterator.hasNext(TransformedIterator.java:43)
        at 
org.geoserver.catalog.util.CloseableIteratorAdapter.hasNext(CloseableIteratorAdapter.java:47)
        at com.google.common.collect.Iterators$7.computeNext(Iterators.java:645)
        at 
com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:143)
        at 
com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:138)
        at 
org.geoserver.catalog.util.CloseableIteratorAdapter.hasNext(CloseableIteratorAdapter.java:47)
        at 
com.google.common.collect.TransformedIterator.hasNext(TransformedIterator.java:43)
        at 
org.geoserver.catalog.util.CloseableIteratorAdapter.hasNext(CloseableIteratorAdapter.java:47)
        at 
com.google.common.collect.TransformedIterator.hasNext(TransformedIterator.java:43)
        at 
org.geoserver.catalog.util.CloseableIteratorAdapter.hasNext(CloseableIteratorAdapter.java:47)
        at 
org.geoserver.wms.capabilities.Capabilities_1_3_0_Transformer$Capabilities_1_3_0_Translator.filterNestedGroups(Capabilities_1_3_0_Transformer.java:1070)
        at 
org.geoserver.wms.capabilities.Capabilities_1_3_0_Transformer$Capabilities_1_3_0_Translator.handleLayerGroups(Capabilities_1_3_0_Transformer.java:1033)
        at 
org.geoserver.wms.capabilities.Capabilities_1_3_0_Transformer$Capabilities_1_3_0_Translator.handleLayers(Capabilities_1_3_0_Transformer.java:669)
        ... 98 more

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