NullPointerException on UIInputContainer on partial render with invalid value
expression
----------------------------------------------------------------------------------------
Key: SEAMFACES-140
URL: https://issues.jboss.org/browse/SEAMFACES-140
Project: Seam Faces
Issue Type: Bug
Components: UI Components
Affects Versions: 3.0.0.Final
Environment: JBoss6
Reporter: Andrew Wheeler
Priority: Minor
NullPointerException when a richfaces output panel is rendered (made visible)
after an action if a UIInputContainer has an input component with an invalid
value expression.
<a4j:outputPanel id="testPanel" rendered="#{backingBean.visible}">
<edit:input label="Testing">
<h:inputText id="name" required="true"
value="#{backingBean.bogusAttribute}"/>
</edit:input>
</a4j:outputPanel>
This error does not occur during a normal request if the value expression
cannot be resolved. In this case the javax.el.PropertyNotFoundException is
thrown with information as to which property is in error.
Stack trace:
21:04:40,996 SEVERE [org.richfaces.log.Context] null:
java.lang.NullPointerException
at
org.jboss.seam.faces.component.UIInputContainer$InputContainerElements.isRequiredByConstraint(UIInputContainer.java:400)
[:3.0.0.Final]
at
org.jboss.seam.faces.component.UIInputContainer$InputContainerElements.registerInput(UIInputContainer.java:355)
[:3.0.0.Final]
at
org.jboss.seam.faces.component.UIInputContainer.scan(UIInputContainer.java:244)
[:3.0.0.Final]
at
org.jboss.seam.faces.component.UIInputContainer.scan(UIInputContainer.java:250)
[:3.0.0.Final]
at
org.jboss.seam.faces.component.UIInputContainer.scan(UIInputContainer.java:250)
[:3.0.0.Final]
at
org.jboss.seam.faces.component.UIInputContainer.encodeBegin(UIInputContainer.java:168)
[:3.0.0.Final]
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1754)
[:2.1.0-FCS]
at
org.richfaces.renderkit.RendererBase.renderChildren(RendererBase.java:278)
[:4.0.0.Final]
at
org.richfaces.renderkit.html.AjaxOutputPanelRenderer.encodeChildren(AjaxOutputPanelRenderer.java:58)
[:4.0.0.Final]
at
javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:845)
[:2.1.0-FCS]
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1756)
[:2.1.0-FCS]
at
org.richfaces.context.ExtendedPartialViewContextImpl$RenderVisitCallback.visit(ExtendedPartialViewContextImpl.java:514)
[:4.0.0.Final]
at
org.richfaces.context.BaseExtendedVisitContext.invokeVisitCallback(BaseExtendedVisitContext.java:337)
[:4.0.0.Final]
at javax.faces.component.UIComponent.visitTree(UIComponent.java:1589)
[:2.1.0-FCS]
at
org.richfaces.component.AbstractTogglePanel.visitTree(AbstractTogglePanel.java:735)
[:4.0.0.Final]
at javax.faces.component.UIComponent.visitTree(UIComponent.java:1600)
[:2.1.0-FCS]
at javax.faces.component.UIForm.visitTree(UIForm.java:344) [:2.1.0-FCS]
at javax.faces.component.UIComponent.visitTree(UIComponent.java:1600)
[:2.1.0-FCS]
at javax.faces.component.UIComponent.visitTree(UIComponent.java:1600)
[:2.1.0-FCS]
at
org.richfaces.context.ExtendedPartialViewContextImpl.processPartialRenderPhase(ExtendedPartialViewContextImpl.java:284)
[:4.0.0.Final]
at
org.richfaces.context.ExtendedPartialViewContextImpl.processPartial(ExtendedPartialViewContextImpl.java:206)
[:4.0.0.Final]
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