[TOBAGO-1727] NullPointerException in ComponentUtils

• Type: Bug
• Status: Closed
• Priority: Trivial
• Resolution: Fixed
• Fix Version/s: 3.0.4, 4.0.0
• Assignee: Udo Schnurpfeil
• Reporter: Matthias Wronka
• Created: 24/Mar/17 15:20
• Updated: 07/Dec/17 21:54
• Resolved: 24/Mar/17 16:17

Description

When a valueBinding cannot be evaluated due to a NullPointer in the expression of a tc:date-value-attribute, a NPE is thrown that makes it hard to figure out whats the problem.

java.lang.NullPointerException 
        org.apache.myfaces.tobago.util.ComponentUtils.getConverter(ComponentUtils.java:822) 
        org.apache.myfaces.tobago.internal.component.AbstractUIDate.getPattern(AbstractUIDate.java:38) 
        org.apache.myfaces.tobago.internal.renderkit.renderer.DateRenderer.writeAdditionalAttributes(DateRenderer.java:55) 
        org.apache.myfaces.tobago.internal.renderkit.renderer.InRenderer.encodeBeginField(InRenderer.java:136) 
        org.apache.myfaces.tobago.internal.renderkit.renderer.DateRenderer.encodeBeginField(DateRenderer.java:70) 
        org.apache.myfaces.tobago.internal.renderkit.renderer.LabelLayoutRendererBase.encodeBegin(LabelLayoutRendererBase.java:65)
        javax.faces.component.UIComponentBase.encodeBegin(UIComponentBase.java:587) 
        org.apache.myfaces.tobago.internal.util.RenderUtils.encode(RenderUtils.java:95) 
        org.apache.myfaces.tobago.internal.util.RenderUtils.encode(RenderUtils.java:79) 

It would be better, if the EL-Problem would be logged.