[TOBAGO-2009] The UIOperation "for" attribute with el expression causes NullPointerException

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 4.4.1
• Fix Version/s: 4.5.4, 5.0.0-alpha-1, 5.0.0
• Component/s: Core
• Assignee: Udo Schnurpfeil
• Reporter: Carsten Dimmek
• Created: 06/Nov/19 13:16
• Updated: 31/May/21 05:34
• Resolved: 07/Apr/21 21:26

Description

Caused by: java.lang.NullPointerException
 at org.apache.myfaces.tobago.util.ComponentUtils.findComponent (ComponentUtils.java:636)
 at org.apache.myfaces.tobago.util.ComponentUtils.evaluateClientId (ComponentUtils.java:696)
 at org.apache.myfaces.tobago.internal.renderkit.renderer.TobagoClientBehaviorRenderer.createCollapsible (TobagoClientBehaviorRenderer.java:215)
 at org.apache.myfaces.tobago.internal.renderkit.Command.<init> (Command.java:84)
 at org.apache.myfaces.tobago.internal.util.RenderUtils.getBehaviorCommands (RenderUtils.java:331)
 at org.apache.myfaces.tobago.internal.renderkit.renderer.CommandRendererBase.encodeBegin (CommandRendererBase.java:97)
 at javax.faces.component.UIComponentBase.encodeBegin (UIComponentBase.java:597)
 at javax.faces.component.UIComponentBase.encodeAll (UIComponentBase.java:527)
 at javax.faces.component.UIComponentBase.encodeAll (UIComponentBase.java:551)
 at org.apache.myfaces.renderkit.html.HtmlCompositeComponentRenderer.encodeChildren (HtmlCompositeComponentRenderer.java:68)
 at javax.faces.component.UIComponentBase.encodeChildren (UIComponentBase.java:644)
 at javax.faces.component.UIComponentBase.encodeAll (UIComponentBase.java:542)
 at javax.faces.render.Renderer.encodeChildren (Renderer.java:95)
 at javax.faces.component.UIComponentBase.encodeChildren (UIComponentBase.java:644)
 at javax.faces.component.UIComponentBase.encodeAll (UIComponentBase.java:542)
 at org.apache.myfaces.tobago.internal.renderkit.renderer.SheetRenderer.encodeTableBody (SheetRenderer.java:740)
 at org.apache.myfaces.tobago.internal.renderkit.renderer.SheetRenderer.encodeEnd (SheetRenderer.java:354)
 at javax.faces.component.UIComponentBase.encodeEnd (UIComponentBase.java:675)
 at javax.faces.component.UIData.encodeEnd (UIData.java:1835)
 at javax.faces.component.UIComponentBase.encodeAll (UIComponentBase.java:555)
 at org.apache.myfaces.tobago.internal.component.AbstractUISheet.encodeAll (AbstractUISheet.java:105)
 at javax.faces.render.Renderer.encodeChildren (Renderer.java:95)
 at org.apache.myfaces.tobago.internal.renderkit.renderer.PanelRendererBase.encodeChildren (PanelRendererBase.java:76)
 at javax.faces.component.UIComponentBase.encodeChildren (UIComponentBase.java:644)
 at javax.faces.component.UIComponentBase.encodeAll (UIComponentBase.java:542)
 at javax.faces.render.Renderer.encodeChildren (Renderer.java:95)
 at org.apache.myfaces.tobago.internal.renderkit.renderer.PanelRendererBase.encodeChildren (PanelRendererBase.java:76)
 at javax.faces.component.UIComponentBase.encodeChildren (UIComponentBase.java:644)
 at javax.faces.component.UIComponentBase.encodeAll (UIComponentBase.java:542)
 at org.apache.myfaces.tobago.internal.component.AbstractUIPanel.encodeAll (AbstractUIPanel.java:55)
 at javax.faces.render.Renderer.encodeChildren (Renderer.java:95)
 at javax.faces.component.UIComponentBase.encodeChildren (UIComponentBase.java:644)
 at javax.faces.component.UIComponentBase.encodeAll (UIComponentBase.java:542)
 at javax.faces.component.UIComponentBase.encodeAll (UIComponentBase.java:551)
 at org.apache.myfaces.view.facelets.FaceletViewDeclarationLanguage.renderView (FaceletViewDeclarationLanguage.java:1897)
 at org.apache.myfaces.application.ViewHandlerImpl.renderView (ViewHandlerImpl.java:315)
 at javax.faces.application.ViewHandlerWrapper.renderView (ViewHandlerWrapper.java:73)
 at org.apache.myfaces.lifecycle.RenderResponseExecutor.execute (RenderResponseExecutor.java:117)
 at org.apache.myfaces.lifecycle.LifecycleImpl.render (LifecycleImpl.java:266)
 at javax.faces.webapp.FacesServlet.service (FacesServlet.java:206)