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https://issues.apache.org/jira/browse/TIKA-1581?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14371659#comment-14371659
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Ken Krugler commented on TIKA-1581:
-----------------------------------
Turns out the fork at GitHub wasn't based on the latest jhighlight source
(which doesn't have the issue with the license on the Java files generated by
JFlex).
I've opened an issue for that, but there's still the PCJ license issue (see
https://github.com/codelibs/jhighlight/issues/4)
> jhighlight license concerns
> ---------------------------
>
> Key: TIKA-1581
> URL: https://issues.apache.org/jira/browse/TIKA-1581
> Project: Tika
> Issue Type: Bug
> Affects Versions: 1.7
> Reporter: Karl Wright
>
> jhighlight jar is a Tika dependency. The Lucene team discovered that, while
> it claims to be a CDDL/LGPL dual-license, some of its functionality is LGPL
> only:
> {code}
> Solr's contrib/extraction contains jhighlight-1.0.jar which declares itself
> as dual CDDL or LGPL license. However, some of its classes are distributed
> only under LGPL, e.g.
> com.uwyn.jhighlight.highlighter.
> CppHighlighter.java
> GroovyHighlighter.java
> JavaHighlighter.java
> XmlHighlighter.java
> I downloaded the sources from Maven
> (http://search.maven.org/remotecontent?filepath=com/uwyn/jhighlight/1.0/jhighlight-1.0-sources.jar)
> to confirm that, and also found this SVN repo:
> http://svn.rifers.org/jhighlight/tags/release-1.0, though the project's
> website seems to not exist anymore (https://jhighlight.dev.java.net/).
> I didn't find any direct usage of it in our code, so I guess it's probably
> needed by a 3rd party dependency, such as Tika. Therefore if we e.g. omit it,
> things will compile, but may fail at runtime.
> {code}
> Is it possible to remove this dependency for future releases, or allow only
> optional inclusion of this package? It is of concern to the ManifoldCF
> project because we distribute a binary package that includes Tika and its
> required dependencies, which currently includes jHighlight.
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