NullPointerException from PreviewLayer
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Key: GEOS-3858
URL: http://jira.codehaus.org/browse/GEOS-3858
Project: GeoServer
Issue Type: Bug
Components: WMS
Affects Versions: 2.0.1
Environment: CentOS release 5.4 (Final) Linux 2.6.18-164.11.1.el5xen x86_64, PostgreSQL 8.1.18 server, PostGIS 1.3.6, Sun Java SE 6 JDK
Reporter: Sakari A. Maaranen
Assignee: Andrea Aime
When browsing through the pages (clicking page 2 or the right arrow ">" from page 1) of layer choices, trying to select the layer for Layer Preview, I receive the exception below.
I had just added a PostGIS data layer titled "Navigation Motor", same way as I've added dozens of layer before. Now this new layer would be the first one on the second page in the list of layers to select for Layer Preview. However, I never get to this page, but get this error instead.
The same layer shows correctly on the second page of the Layers browser, and I can configure the resource and publishing information as normal.
It's only in the Layer Preview browser where I get this exception. I can see WMS in the stack trace, so maybe it has something to do with the WMS?
org.apache.wicket.WicketRuntimeException: Error attaching this container for rendering: [MarkupContainer [Component id = 31]] at org.apache.wicket.MarkupContainer.onBeforeRenderChildren(MarkupContainer.java:1602) at org.apache.wicket.Component.onBeforeRender(Component.java:3727) at org.apache.wicket.Component.internalBeforeRender(Component.java:1009) at org.apache.wicket.Component.beforeRender(Component.java:1041) at org.apache.wicket.MarkupContainer.onBeforeRenderChildren(MarkupContainer.java:1590) at org.apache.wicket.Component.onBeforeRender(Component.java:3727) at org.apache.wicket.markup.repeater.AbstractRepeater.onBeforeRender(AbstractRepeater.java:147) at org.apache.wicket.markup.repeater.AbstractPageableView.onBeforeRender(AbstractPageableView.java:109) at org.apache.wicket.Component.internalBeforeRender(Component.java:1009) at org.apache.wicket.Component.beforeRender(Component.java:1041) at org.apache.wicket.MarkupContainer.onBeforeRenderChildren(MarkupContainer.java:1590) at org.apache.wicket.Component.onBeforeRender(Component.java:3727) at org.apache.wicket.Component.internalBeforeRender(Component.java:1009) at org.apache.wicket.Component.beforeRender(Component.java:1041) at org.apache.wicket.Component.prepareForRender(Component.java:2167) at org.apache.wicket.ajax.AjaxRequestTarget.respondComponent(AjaxRequestTarget.java:762) at org.apache.wicket.ajax.AjaxRequestTarget.respondComponents(AjaxRequestTarget.java:662) at org.apache.wicket.ajax.AjaxRequestTarget.respond(AjaxRequestTarget.java:577) at org.apache.wicket.request.AbstractRequestCycleProcessor.respond(AbstractRequestCycleProcessor.java:104) at org.apache.wicket.RequestCycle.processEventsAndRespond(RequestCycle.java:1245) at org.apache.wicket.RequestCycle.step(RequestCycle.java:1316) at org.apache.wicket.RequestCycle.steps(RequestCycle.java:1418) at org.apache.wicket.RequestCycle.request(RequestCycle.java:532) at org.apache.wicket.protocol.http.WicketFilter.doGet(WicketFilter.java:356) at org.apache.wicket.protocol.http.WicketServlet.doGet(WicketServlet.java:124) 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:158) 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:875) at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:809) at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:571) at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:501) 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$CachedChain.doFilter(ServletHandler.java:1093) at org.vfny.geoserver.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:108) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084) at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:265) at org.acegisecurity.intercept.web.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:107) at org.acegisecurity.intercept.web.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:72) at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275) at org.acegisecurity.ui.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:124) at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275) at org.acegisecurity.providers.anonymous.AnonymousProcessingFilter.doFilter(AnonymousProcessingFilter.java:125) at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275) at org.acegisecurity.ui.rememberme.RememberMeProcessingFilter.doFilter(RememberMeProcessingFilter.java:142) at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275) at org.acegisecurity.wrapper.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:81) at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275) at org.acegisecurity.ui.AbstractProcessingFilter.doFilter(AbstractProcessingFilter.java:271) at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275) at org.acegisecurity.ui.logout.LogoutFilter.doFilter(LogoutFilter.java:110) at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275) at org.acegisecurity.context.HttpSessionContextIntegrationFilter.doFilter(HttpSessionContextIntegrationFilter.java:249) at org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275) at org.acegisecurity.util.FilterChainProxy.doFilter(FilterChainProxy.java:149) at org.acegisecurity.util.FilterToBeanProxy.doFilter(FilterToBeanProxy.java:98) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084) at org.geoserver.filters.LoggingFilter.doFilter(LoggingFilter.java:73) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084) at org.geoserver.filters.ReverseProxyFilter.doFilter(ReverseProxyFilter.java:183) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084) at org.geoserver.filters.GZIPFilter.doFilter(GZIPFilter.java:41) at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084) at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:360) at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216) at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181) at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:726) at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:405) at org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:206) at org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:114) at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152) at org.mortbay.jetty.Server.handle(Server.java:324) at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:505) at org.mortbay.jetty.HttpConnection$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.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:395) at org.mortbay.thread.BoundedThreadPool$PoolThread.run(BoundedThreadPool.java:450) Caused by: java.lang.NullPointerException at org.geoserver.web.demo.PreviewLayer.getRequest(PreviewLayer.java:129) at org.geoserver.web.demo.PreviewLayer.getWmsLink(PreviewLayer.java:172) at org.geoserver.web.demo.MapPreviewPage$1.getComponentForProperty(MapPreviewPage.java:72) at org.geoserver.web.wicket.GeoServerTablePanel$1$1.populateItem(GeoServerTablePanel.java:134) at org.apache.wicket.markup.html.list.ListView.onPopulate(ListView.java:573) at org.apache.wicket.markup.repeater.AbstractRepeater.onBeforeRender(AbstractRepeater.java:127) at org.apache.wicket.Component.internalBeforeRender(Component.java:1009) at org.apache.wicket.Component.beforeRender(Component.java:1041) at org.apache.wicket.MarkupContainer.onBeforeRenderChildren(MarkupContainer.java:1590) ... 82 more
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