tobago-example/tobago-example-demo/src/main/webapp/content/30-concept/21-error/Error_Handling.xhtml

<?xml version="1.0" encoding="UTF-8"?>

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<ui:composition template="/main.xhtml"
                xmlns:tc="http://myfaces.apache.org/tobago/component"
                xmlns:ui="http://java.sun.com/jsf/facelets">

  <ui:param name="title" value="Sample Error Scenarios (Todo: is to be optimized)"/>

  <p>
    When using MyFaces or Facelets you have to turn off the exception mechanism of them to use this demo.
    See in the MyFaces Wiki:
    <tc:link link="http://wiki.apache.org/myfaces/Handling_Server_Errors" label="Handling Server Errors"/>
  </p>

  <p>
    <tc:button action="#{bestPracticeController.throwException}" label="Application"/>
    <br/>
    An exception is thrown in the application. The servlet container forwards to a page defined in the web.xml.
  </p>

  <p>
    <tc:button action="error-404" label="Not Found"/>
    <br/>
    The navigation handler refers to a non existing page. The error code 404 in the web.xml is affected.
  </p>

  <p>
    <tc:button action="syntax" label="Syntax Error"/>
    <br/>
    The navigation handler refers to a page with a syntax error.
  </p>

</ui:composition>