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https://issues.apache.org/jira/browse/LUCENE-2731?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12926697#action_12926697
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Uwe Schindler commented on LUCENE-2731:
---------------------------------------

Created issue LUCENE-2732.

> HyphenationCompoundWordTokenFilter fails to load DTD in Crimson parser (JDK 
> 1.4)
> --------------------------------------------------------------------------------
>
>                 Key: LUCENE-2731
>                 URL: https://issues.apache.org/jira/browse/LUCENE-2731
>             Project: Lucene - Java
>          Issue Type: Bug
>          Components: contrib/analyzers
>            Reporter: Uwe Schindler
>            Assignee: Uwe Schindler
>             Fix For: 2.9.4
>
>         Attachments: LUCENE-2731.patch
>
>
> HyphenationCompoundWordTokenFilter loads the DTD in its XML parser from 
> memory by supplying EntityResolver. In Java 1.4 (affects Lucene 2.9, but also 
> later versions if not Apache Xerces is used as XML parser) this does not 
> work, because Cromson does not even ask the entity resolver, if no base URI 
> is known. As the hyphenation file is loaded from Reader/InputStream no base 
> URI is known. Crimson needs at least a non-null systemId to proceed.
> This patch (Lucene 2.9 only)  fakes this by supplying a fake systemId to the 
> InputSource.

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