[jira] Commented: (WW-2530) Validation Missing DTD --> NoClassDefFoundError

["Matthieu Chase Heimer (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/struts/browse/WW-2530?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=43945#action_43945 ] 

Matthieu Chase Heimer commented on WW-2530:
-------------------------------------------

The documentation as been update. Please close this issue.

> Validation Missing DTD --> NoClassDefFoundError
> -----------------------------------------------
>
>                 Key: WW-2530
>                 URL: https://issues.apache.org/struts/browse/WW-2530
>             Project: Struts 2
>          Issue Type: Bug
>          Components: Documentation
>    Affects Versions: 2.0.11
>            Reporter: Dan Peder Eriksen
>
> If:
> <?xml version="1.0" encoding="UTF-8"?>
> <!DOCTYPE validators PUBLIC
>         "-//OpenSymphony Group//XWork Validator Config 1.0//EN"
>         "http://www.opensymphony.com/xwork/xwork-validator-config-1.0.dtd">
> is missing from validators.xml the following error appears:
> java.lang.NoClassDefFoundError: Could not initialize class com.opensymphony.xwork2.validator.ValidatorFactory
> http://struts.apache.org/2.x/docs/validation.html does not include the DTD for validation.xml. Hence it is easy for those who are starting out with struts 2 to omit the DTD, as I did.
> What I would like to see is a better error message. I first thought that it was a classloading problem when it really is a XML problem.

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