[jira] [Commented] (JENA-1734) Add FUSEKI_BASE extra classes directory

["Claude Warren (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/JENA-1734?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16887451#comment-16887451 ] 

Claude Warren commented on JENA-1734:
-------------------------------------

 [pull request|https://github.com/apache/jena/pull/584]

> Add FUSEKI_BASE extra classes directory
> ---------------------------------------
>
>                 Key: JENA-1734
>                 URL: https://issues.apache.org/jira/browse/JENA-1734
>             Project: Apache Jena
>          Issue Type: Improvement
>          Components: Fuseki
>    Affects Versions: Jena 3.12.0
>            Reporter: Claude Warren
>            Assignee: Claude Warren
>            Priority: Trivial
>
> Currently the fuseki-server script has comments about how to modify the file to add extra classes.  This can be rather problematic when working in a containerized environment like Docker.
> This proposal is to add $FUSEKI_BASE/extra/* to the classpath for fuseki-server so that persistent containers like stain/jena-fuseki have a non-instrusive mechanism to add/update extra or 3rd party classes.
> I don't see how to implement this in the windows batch file as it does not appear to have environment variables set for similar purposes to the linux scripts.
> *Background:*
> When running in docker it is possible to mount the FUSEKI_BASE either to local storage or on a docker volume.  This makes it easier to update the Jena /fusekilibraries without losing the data.  However, any edits made to add jars to FUSEKI_HOME are lost during the update.  Adding the $FUSEKI_BASE/extra to the startup script means that 3rd party libraries are treated like data and not removed when the Jena/fuseki code is updated.



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