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From Apache Wiki <>
Subject [Myfaces Wiki] Update of "Extensions/Validator/Versions/Versions/UpgradeGuide" by GerhardPetracek
Date Wed, 03 Feb 2010 16:24:07 GMT
Dear Wiki user,

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The "Extensions/Validator/Versions/Versions/UpgradeGuide" page has been changed by GerhardPetracek.


  = Upgrade to ExtVal r3 =
  == Using ExtVal r3 in existing Applications ==
- This is by far the most important point you have to know about this version.
- With meta-data based validation the required attribute of input components is obsolete.
- Details:
- The support for the required attribute was removed due to issues with dynamic meta-data
and severity based validation.<<BR>>
- That means all components which use e.g. required="true" "stop using" information of this
- So only meta-data based required markers like @Required, Column(nullable = false), @NotNull,...
are supported.<<BR>>
- However, if you don't need the basic features mentioned before, you just have to de-register
ValidationInterceptor (btw. PropertyValidationInterceptor) and register a custom interceptor.
- So you have 3 possibilities:
-  * Use meta-data instead of the required attribute in every case
-  * Provide your custom interceptor
-  * Create an add-on which re-introduce the support e.g. based on a marker 
  == Simple Usage ==

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