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POcreate xhtml page dynamically with ace:tabSet and ice:tree
 

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  1. POcreate xhtml page dynamically with ace:tabSet and ice:tree
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    <p>i create a dynamic page that include some ace:tabPane with a tree in each one the xhtml page:</p> <pre class="lang-html prettyprint-override"><code>&lt;ui:define name="subContent"&gt; &lt;div&gt; &lt;h:form&gt; &lt;ace:tabSet binding="#{configProfilesBean.tabSet}" &gt; &lt;/ace:tabSet&gt; &lt;/h:form&gt; &lt;/div&gt; &lt;/ui:define&gt; </code></pre> <p>behind the page i have a bean configProfilesBean where i create the tabset binded in the page and dynamically some ace:tabPane:</p> <pre><code>tabSet = new TabSet(); tabSet.getChildren().clear(); tabSet.setId("tabSetConfigProfiles"); tabSet.setClientSide(false); for (FunzioneDTO f : funzioni) { tabSet.getChildren().add(createTabPane(f)); } </code></pre> <p>the method <code>createTabPane(FunzioneDTO function)</code>:</p> <pre><code>private TabPane createTabPane (FunzioneDTO function){ TabPane tabPane = new TabPane(); tabPane.setId("fnz_"+function.getId()); tabPane.setLabel(function.getNome()); Tree tree = new Tree(); TreeModel model = new TreeModel(function); tree.setId("tr_"+function.getId()); tree.setValue(model.getModel()); tabPane.getChildren().add(tree); return tabPane; } </code></pre> <p>and then this is the class of the TreeModel:</p> <pre><code>public class TreeModel implements javax.swing.tree.TreeModel{ private DefaultTreeModel model; private DefaultMutableTreeNode rootTreeNode; private FunzioneDTO function; public TreeModel(FunzioneDTO function){ this.function = function; IceUserObject rootObject = new IceUserObject(getRootTreeNode()); rootObject.setText("ROOT"); rootObject.setExpanded(true); getRootTreeNode().setUserObject(rootObject); if(function.getAzioni().size()&gt;0){ for(AzioneDTO a : function.getAzioni()){ getRootTreeNode().add(addActionChildNode(a)); } } } private DefaultMutableTreeNode addActionChildNode(AzioneDTO action){ DefaultMutableTreeNode childAction = new DefaultMutableTreeNode(); IceUserObject actionObject = new IceUserObject(childAction); actionObject.setText("A_"+action.getId()); actionObject.setLeaf(true); childAction.setUserObject(actionObject); return childAction; } public DefaultTreeModel getModel() { if(model == null){ model = new DefaultTreeModel(getRootTreeNode()); } return model; } public void setModel(DefaultTreeModel model) { this.model = model; } public DefaultMutableTreeNode getRootTreeNode() { if(rootTreeNode == null){ rootTreeNode = new DefaultMutableTreeNode(); } return rootTreeNode; } public void setRootTreeNode(DefaultMutableTreeNode rootTreeNode) { this.rootTreeNode = rootTreeNode; } public FunzioneDTO getFunction() { return function; } public void setFunction(FunzioneDTO function) { this.function = function; } @Override public Object getRoot() { return getModel().getRoot(); } @Override public Object getChild(Object parent, int index) { return getModel().getChild(parent, index); } @Override public int getChildCount(Object parent) { return getModel().getChildCount(parent); } @Override public boolean isLeaf(Object node) { return getModel().isLeaf(node); } @Override public void valueForPathChanged(TreePath path, Object newValue) { getModel().valueForPathChanged(path, newValue); } @Override public int getIndexOfChild(Object parent, Object child) { return getModel().getIndexOfChild(parent, child); } @Override public void addTreeModelListener(TreeModelListener l) { getModel().addTreeModelListener(l); } @Override public void removeTreeModelListener(TreeModelListener l) { getModel().removeTreeModelListener(l); } } </code></pre> <p>When i go to the page i have this stacktrace caused by a nullpointerexception that i don't know how to resolve:</p> <pre><code>15:31:25,204 Grave [javax.enterprise.resource.webcontainer.jsf.application] Error Rendering View[/views/protected/profiles/configProfiles.xhtml]: java.lang.NullPointerException at com.icesoft.faces.component.tree.Tree.getModel(Tree.java:277) [:] at com.icesoft.faces.component.tree.Tree.visitRows(Tree.java:1459) [:] at com.icesoft.faces.component.tree.Tree.visitTree(Tree.java:1414) [:] at javax.faces.component.UIComponent.visitTree(UIComponent.java:1623) [:2.1.17] at javax.faces.component.UIComponent.visitTree(UIComponent.java:1623) [:2.1.17] at javax.faces.component.UIComponent.visitTree(UIComponent.java:1623) [:2.1.17] at javax.faces.component.UIForm.visitTree(UIForm.java:371) [:2.1.17] at javax.faces.component.UIComponent.visitTree(UIComponent.java:1623) [:2.1.17] at javax.faces.component.UIComponent.visitTree(UIComponent.java:1623) [:2.1.17] at javax.faces.component.UIComponent.visitTree(UIComponent.java:1623) [:2.1.17] at javax.faces.component.UIComponent.visitTree(UIComponent.java:1623) [:2.1.17] at org.icefaces.impl.event.RestoreResourceDependencies.processEvent(RestoreResourceDependencies.java:24) [:] at javax.faces.event.SystemEvent.processListener(SystemEvent.java:106) [:2.1.17] at com.sun.faces.application.ApplicationImpl.processListeners(ApplicationImpl.java:2169) [:2.1.17] at com.sun.faces.application.ApplicationImpl.invokeListenersFor(ApplicationImpl.java:2145) [:2.1.17] at com.sun.faces.application.ApplicationImpl.publishEvent(ApplicationImpl.java:303) [:2.1.17] at com.sun.faces.application.ApplicationImpl.publishEvent(ApplicationImpl.java:247) [:2.1.17] at javax.faces.component.UIComponentBase.encodeBegin(UIComponentBase.java:812) [:2.1.17] at javax.faces.component.UIViewRoot.encodeBegin(UIViewRoot.java:963) [:2.1.17] at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1777) [:2.1.17] at com.sun.faces.application.view.FaceletViewHandlingStrategy.renderView(FaceletViewHandlingStrategy.java:437) [:2.1.17] at com.sun.faces.application.view.MultiViewHandler.renderView(MultiViewHandler.java:124) [:2.1.17] at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:120) [:2.1.17] at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101) [:2.1.17] at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139) [:2.1.17] at javax.faces.webapp.FacesServlet.service(FacesServlet.java:594) [:2.1.17] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:324) [:6.1.0.Final] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:242) [:6.1.0.Final] at it.pegaso2000.access.web.filter.AccessFilter.doFilter(AccessFilter.java:77) [:] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:274) [:6.1.0.Final] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:242) [:6.1.0.Final] at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [:3.1.3.RELEASE] at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [:3.1.3.RELEASE] at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [:3.1.3.RELEASE] at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [:3.1.3.RELEASE] at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [:3.1.3.RELEASE] at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [:3.1.3.RELEASE] at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [:3.1.3.RELEASE] at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [:3.1.3.RELEASE] at org.springframework.security.web.authentication.preauth.AbstractPreAuthenticatedProcessingFilter.doFilter(AbstractPreAuthenticatedProcessingFilter.java:94) [:3.1.3.RELEASE] at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [:3.1.3.RELEASE] at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [:3.1.3.RELEASE] at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [:3.1.3.RELEASE] at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [:3.1.3.RELEASE] at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [:3.1.3.RELEASE] at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:346) [:3.1.3.RELEASE] at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:259) [:3.1.3.RELEASE] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:274) [:6.1.0.Final] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:242) [:6.1.0.Final] at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:275) [:6.1.0.Final] at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:161) [:6.1.0.Final] at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:181) [:6.1.0.Final] at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:593) [:6.1.0.Final] at org.jboss.modcluster.catalina.CatalinaContext$RequestListenerValve.event(CatalinaContext.java:285) [:1.1.0.Final] at org.jboss.modcluster.catalina.CatalinaContext$RequestListenerValve.invoke(CatalinaContext.java:261) [:1.1.0.Final] at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:88) [:6.1.0.Final] at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:100) [:6.1.0.Final] at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:159) [:6.1.0.Final] at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) [:6.1.0.Final] at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158) [:6.1.0.Final] at org.apache.catalina.authenticator.SingleSignOn.invoke(SingleSignOn.java:416) [:6.1.0.Final] at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) [:6.1.0.Final] at org.jboss.web.tomcat.service.request.ActiveRequestResponseCacheValve.invoke(ActiveRequestResponseCacheValve.java:53) [:6.1.0.Final] at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:362) [:6.1.0.Final] at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:877) [:6.1.0.Final] at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:654) [:6.1.0.Final] at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:951) [:6.1.0.Final] at java.lang.Thread.run(Thread.java:722) [:1.7.0] 15:31:25,250 Avvertenza [org.icefaces.impl.application.ExtendedExceptionHandler] queued exception: java.lang.NullPointerException at com.icesoft.faces.component.tree.Tree.getModel(Tree.java:277) [:] at com.icesoft.faces.component.tree.Tree.visitRows(Tree.java:1459) [:] at com.icesoft.faces.component.tree.Tree.visitTree(Tree.java:1414) [:] at javax.faces.component.UIComponent.visitTree(UIComponent.java:1623) [:2.1.17] at javax.faces.component.UIComponent.visitTree(UIComponent.java:1623) [:2.1.17] at javax.faces.component.UIComponent.visitTree(UIComponent.java:1623) [:2.1.17] at javax.faces.component.UIForm.visitTree(UIForm.java:371) [:2.1.17] at javax.faces.component.UIComponent.visitTree(UIComponent.java:1623) [:2.1.17] at javax.faces.component.UIComponent.visitTree(UIComponent.java:1623) [:2.1.17] at javax.faces.component.UIComponent.visitTree(UIComponent.java:1623) [:2.1.17] at javax.faces.component.UIComponent.visitTree(UIComponent.java:1623) [:2.1.17] at org.icefaces.impl.event.RestoreResourceDependencies.processEvent(RestoreResourceDependencies.java:24) [:] at javax.faces.event.SystemEvent.processListener(SystemEvent.java:106) [:2.1.17] at com.sun.faces.application.ApplicationImpl.processListeners(ApplicationImpl.java:2169) [:2.1.17] at com.sun.faces.application.ApplicationImpl.invokeListenersFor(ApplicationImpl.java:2145) [:2.1.17] at com.sun.faces.application.ApplicationImpl.publishEvent(ApplicationImpl.java:303) [:2.1.17] at com.sun.faces.application.ApplicationImpl.publishEvent(ApplicationImpl.java:247) [:2.1.17] at javax.faces.component.UIComponentBase.encodeBegin(UIComponentBase.java:812) [:2.1.17] at javax.faces.component.UIViewRoot.encodeBegin(UIViewRoot.java:963) [:2.1.17] at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1777) [:2.1.17] at com.sun.faces.application.view.FaceletViewHandlingStrategy.renderView(FaceletViewHandlingStrategy.java:437) [:2.1.17] at com.sun.faces.application.view.MultiViewHandler.renderView(MultiViewHandler.java:124) [:2.1.17] at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:120) [:2.1.17] at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101) [:2.1.17] at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139) [:2.1.17] at javax.faces.webapp.FacesServlet.service(FacesServlet.java:594) [:2.1.17] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:324) [:6.1.0.Final] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:242) [:6.1.0.Final] at it.pegaso2000.access.web.filter.AccessFilter.doFilter(AccessFilter.java:77) [:] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:274) [:6.1.0.Final] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:242) [:6.1.0.Final] at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [:3.1.3.RELEASE] at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [:3.1.3.RELEASE] at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [:3.1.3.RELEASE] at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [:3.1.3.RELEASE] at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [:3.1.3.RELEASE] at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [:3.1.3.RELEASE] at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:105) [:3.1.3.RELEASE] at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [:3.1.3.RELEASE] at org.springframework.security.web.authentication.preauth.AbstractPreAuthenticatedProcessingFilter.doFilter(AbstractPreAuthenticatedProcessingFilter.java:94) [:3.1.3.RELEASE] at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [:3.1.3.RELEASE] at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [:3.1.3.RELEASE] at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [:3.1.3.RELEASE] at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [:3.1.3.RELEASE] at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [:3.1.3.RELEASE] at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:346) [:3.1.3.RELEASE] at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:259) [:3.1.3.RELEASE] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:274) [:6.1.0.Final] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:242) [:6.1.0.Final] at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:275) [:6.1.0.Final] at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:161) [:6.1.0.Final] at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:181) [:6.1.0.Final] at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:593) [:6.1.0.Final] at org.jboss.modcluster.catalina.CatalinaContext$RequestListenerValve.event(CatalinaContext.java:285) [:1.1.0.Final] at org.jboss.modcluster.catalina.CatalinaContext$RequestListenerValve.invoke(CatalinaContext.java:261) [:1.1.0.Final] at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:88) [:6.1.0.Final] at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:100) [:6.1.0.Final] at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:159) [:6.1.0.Final] at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) [:6.1.0.Final] at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158) [:6.1.0.Final] at org.apache.catalina.authenticator.SingleSignOn.invoke(SingleSignOn.java:416) [:6.1.0.Final] at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) [:6.1.0.Final] at org.jboss.web.tomcat.service.request.ActiveRequestResponseCacheValve.invoke(ActiveRequestResponseCacheValve.java:53) [:6.1.0.Final] at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:362) [:6.1.0.Final] at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:877) [:6.1.0.Final] at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:654) [:6.1.0.Final] at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:951) [:6.1.0.Final] at java.lang.Thread.run(Thread.java:722) [:1.7.0] </code></pre> <p>anyone know how to solve it? thanks</p>
    singulars
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. PTQuestion
    1. USDimitri Dewaele
    1. USuser2074803
    plurals
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. COWhere do you call the `tabSet` creation code?
      singulars
      1. POcreate xhtml page dynamically with ace:tabSet and ice:tree
      1. USLuiggi Mendoza
    2. COin the initialize of the bean but if i remove the tree from the tabPane, i can see all the tabPane empty.
      singulars
      1. POcreate xhtml page dynamically with ace:tabSet and ice:tree
      1. USuser2074803
    3. COMaybe there's an element in the tree that it's necessary and you haven't initialized it.
      singulars
      1. POcreate xhtml page dynamically with ace:tabSet and ice:tree
      1. USLuiggi Mendoza
 

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