Hello Mike, I tryied with an empty DefaultTreeModel, and got that error, then i tryied also with a not empty tree model, and the same...
Do you have any ideea about what could be wrong? Thanks --- Mike Kienenberger <[EMAIL PROTECTED]> wrote: > For what it's worth, I tried it and got the same > error a couple days ago. > I assumed that the problem was that I was trying to > use a dataTable > model and that tree required a different model type. > I wasn't > willing to invest the time to upgrade my models at > that time, so I > didn't pursue it. > > -Mike > > On 9/22/05, Catalin Kormos <[EMAIL PROTECTED]> > wrote: > > Hello, > > > > Is there anyone who successfuly used the tree > table > > with Facelets? i'm getting the following error, > and > > can't seem to find a solution: > > > > java.lang.NullPointerException > > at > > > org.apache.myfaces.custom.tree.HtmlTree.addToModelListeners(HtmlTree.java:829) > > at > > > org.apache.myfaces.custom.tree.HtmlTree.encodeBegin(HtmlTree.java:706) > > at > > > org.apache.myfaces.renderkit.RendererUtils.renderChild(RendererUtils.java:441) > > at > > > org.apache.myfaces.renderkit.RendererUtils.renderChildren(RendererUtils.java:427) > > at > > > ro.citrusmedia.lims.web.ui.component.collapsiblepanel.HtmlCollapsiblePanelRenderer.encodeChildren(HtmlCollapsiblePanelRenderer.java:71) > > at > > > javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:319) > > at > > > com.sun.facelets.FaceletViewHandler.encodeRecursive(FaceletViewHandler.java:513) > > at > > > com.sun.facelets.FaceletViewHandler.encodeRecursive(FaceletViewHandler.java:518) > > at > > > com.sun.facelets.FaceletViewHandler.encodeRecursive(FaceletViewHandler.java:518) > > at > > > com.sun.facelets.FaceletViewHandler.encodeRecursive(FaceletViewHandler.java:518) > > at > > > com.sun.facelets.FaceletViewHandler.encodeRecursive(FaceletViewHandler.java:518) > > at > > > com.sun.facelets.FaceletViewHandler.encodeRecursive(FaceletViewHandler.java:518) > > at > > > com.sun.facelets.FaceletViewHandler.encodeRecursive(FaceletViewHandler.java:518) > > at > > > com.sun.facelets.FaceletViewHandler.renderView(FaceletViewHandler.java:447) > > at > > > org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:300) > > at > > > javax.faces.webapp.FacesServlet.service(FacesServlet.java:95) > > at > > > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:237) > > at > > > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157) > > at > > > org.apache.myfaces.component.html.util.ExtensionsFilter.doFilter(ExtensionsFilter.java:122) > > at > > > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:186) > > at > > > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157) > > at > > > org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:75) > > at > > > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:186) > > at > > > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157) > > at > > > org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:214) > > at > > > org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104) > > at > > > org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520) > > at > > > org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:198) > > at > > > org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:152) > > at > > > org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104) > > at > > > org.jboss.web.tomcat.security.CustomPrincipalValve.invoke(CustomPrincipalValve.java:66) > > at > > > org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102) > > at > > > org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:158) > > at > > > org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102) > > at > > > org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520) > > at > > > org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:137) > > at > > > org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104) > > at > > > org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:118) > > at > > > org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102) > > at > > > org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520) > > at > > > org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) > > at > > > org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104) > > at > > > org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520) > > at > > > org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929) > > at > > > org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:160) > > at > > > org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:799) > > at > > > org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:705) > > at > > > org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:577) > > at > > > org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:683) > > at java.lang.Thread.run(Thread.java:595) > > > > Thank you. > > > > Catalin > > > > > > > > __________________________________ > > Yahoo! Mail - PC Magazine Editors' Choice 2005 > > http://mail.yahoo.com > > > __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com
