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https://issues.apache.org/jira/browse/OCM-35?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12721813#action_12721813
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Craig Schaefer commented on OCM-35:
-----------------------------------

General approach is simpliar to that of Spring.  The DTD is included in the ocm 
jar under META-INF.  The user of the descriptor reading code can still choose 
to resolve the DTD to their own variant as before or at least to the default 
offering.

However now at least when the DTD clause is included in an OCM mapping 
descriptor then at least by default DTD resolution will occur locally and not 
attempt to hit the network which may not always be there.

> OCM DTD offline resolution
> --------------------------
>
>                 Key: OCM-35
>                 URL: https://issues.apache.org/jira/browse/OCM-35
>             Project: Jackrabbit OCM
>          Issue Type: Improvement
>            Reporter: Craig Schaefer
>            Priority: Minor
>         Attachments: OCM-35.patch
>
>
> OCM xml descriptor files will sometimes specify the DTD for OCM
> e.g. 
> <!DOCTYPE jackrabbit-ocm PUBLIC "-//The Apache Software Foundation//DTD 
> Jackrabbit OCM 1.5//EN" 
>                          
> "http://jackrabbit.apache.org/dtd/jackrabbit-ocm-1.5.dtd";> 
> When this happens the XML parser will attempt to resolve the DTD over an 
> internet connection.  This is 1) generally inefficient and 2) assumes the 
> backend with JCR-OCM can always reach the internet.  Point 2 in particular is 
> never guaranteed and so to borrow the local resolution concept from other 
> great libraries like spring it would be better to locally provide and resolve 
> the DTD for OCM.

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