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https://issues.apache.org/jira/browse/TRINIDAD-795?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12541171
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Thorsten Guenther commented on TRINIDAD-795:
--------------------------------------------
Can also be reproduced with: Converter in <tr:inputText> throwing a
ConverterException with a FaceMessage inside.
Caused by: FacesMessageWrapper constructed with a null label. The null label is
ultimately given to the ResponseWriter which triggers the NPE. I dont know if
FacesMessageWrapper should not be constructed with a null label or if
MessageBoxRenderer should not render the label if its null. So I can't provide
a patch.
Work around: Use org.apache.myfaces.trinidad.util.LabeledFacesMessage instead
of javax.faces.application.FacesMessage in your validator / converter with
message.setLabel("") .
> NPE in tr:messages
> ------------------
>
> Key: TRINIDAD-795
> URL: https://issues.apache.org/jira/browse/TRINIDAD-795
> Project: MyFaces Trinidad
> Issue Type: Bug
> Components: Components
> Affects Versions: 1.2.3-core
> Environment: Trinidad-1.2.3 + Tomcat 6
> Reporter: Jesper Pedersen
>
> I get the following NPE for a tr:messages tag using Trinidad-1.2.3:
> java.lang.NullPointerException
> at
> org.apache.catalina.connector.CoyoteWriter.write(CoyoteWriter.java:171)
> at
> org.apache.myfaces.trinidadinternal.io.HtmlResponseWriter.write(HtmlResponseWriter.java:341)
> at
> org.apache.myfaces.trinidadinternal.io.ResponseWriterDecorator.write(ResponseWriterDecorator.java:162)
> at
> org.apache.myfaces.trinidadinternal.io.IndentingResponseWriter.write(IndentingResponseWriter.java:152)
> at
> org.apache.myfaces.trinidadinternal.io.ResponseWriterDecorator.write(ResponseWriterDecorator.java:162)
> at
> org.apache.myfaces.trinidadinternal.io.DebugResponseWriter.write(DebugResponseWriter.java:124)
> at
> org.apache.myfaces.trinidadinternal.io.ResponseWriterDecorator.write(ResponseWriterDecorator.java:162)
> at com.sun.facelets.StateWriter.write(StateWriter.java:116)
> at
> org.apache.myfaces.trinidadinternal.io.HtmlResponseWriter.write(HtmlResponseWriter.java:341)
> at
> org.apache.myfaces.trinidadinternal.io.ResponseWriterDecorator.write(ResponseWriterDecorator.java:162)
> at
> org.apache.myfaces.trinidadinternal.io.IndentingResponseWriter.write(IndentingResponseWriter.java:152)
> at
> org.apache.myfaces.trinidadinternal.io.ResponseWriterDecorator.write(ResponseWriterDecorator.java:162)
> at
> org.apache.myfaces.trinidadinternal.io.DebugResponseWriter.write(DebugResponseWriter.java:124)
> at
> org.apache.myfaces.trinidadinternal.io.ResponseWriterDecorator.write(ResponseWriterDecorator.java:162)
> at
> org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.MessageBoxRenderer._renderMessageAnchor(MessageBoxRenderer.java:305)
> at
> org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.MessageBoxRenderer._renderComponentMessages(MessageBoxRenderer.java:263)
> at
> org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.MessageBoxRenderer._renderContent(MessageBoxRenderer.java:204)
> at
> org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.MessageBoxRenderer$BoxRenderer.renderBody(MessageBoxRenderer.java:453)
> at
> org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.PanelBoxRenderer._renderMiddleRow(PanelBoxRenderer.java:267)
> at
> org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.PanelBoxRenderer.encodeAll(PanelBoxRenderer.java:115)
> at
> org.apache.myfaces.trinidadinternal.renderkit.core.xhtml.MessageBoxRenderer.encodeAll(MessageBoxRenderer.java:142)
> at
> org.apache.myfaces.trinidad.render.CoreRenderer.encodeEnd(CoreRenderer.java:220)
> at
> org.apache.myfaces.trinidad.component.UIXComponentBase.encodeEnd(UIXComponentBase.java:749)
> A validator throws a ValidatorException with a FaceMessage inside.
> All resource bundles are defined in the faces-config.xml file if that makes a
> difference - e.g. no f:loadBundle's.
> Hope this helps !
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