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Posted to dev@myfaces.apache.org by "Matthias Wronka (JIRA)" <de...@myfaces.apache.org> on 2017/03/24 15:21:41 UTC

[jira] [Created] (TOBAGO-1727) NullPointerException in ComponentUtils

Matthias Wronka created TOBAGO-1727:
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             Summary: NullPointerException in ComponentUtils
                 Key: TOBAGO-1727
                 URL: https://issues.apache.org/jira/browse/TOBAGO-1727
             Project: MyFaces Tobago
          Issue Type: Bug
            Reporter: Matthias Wronka
            Priority: Trivial


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.
{code}
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) 
{code}

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



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