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Posted to dev@sling.apache.org by "Felix Meschberger (JIRA)" <ji...@apache.org> on 2013/04/22 15:33:16 UTC
[jira] [Commented] (SLING-2835) Addition of OSGi-aware
javax.activation bundle
[ https://issues.apache.org/jira/browse/SLING-2835?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13637993#comment-13637993 ]
Felix Meschberger commented on SLING-2835:
------------------------------------------
Thanks for the patch.
I have a comment on formatting: We generally use Sun's original Java formatting guidelines. Particularly we format all blocks as regular brace-encapsulated blocks even if the block has a single-statement only.
May I ask you to fix ? Thanks.
> Addition of OSGi-aware javax.activation bundle
> ----------------------------------------------
>
> Key: SLING-2835
> URL: https://issues.apache.org/jira/browse/SLING-2835
> Project: Sling
> Issue Type: Improvement
> Components: Extensions
> Reporter: Robert Munteanu
> Attachments: org.apache.sling.javax.activation.zip
>
>
> Currently Sling exposes the javax.activation package using a system framework extension. This works well for some use cases. However, it does not work well with the official javax.mail bundle. The javax.mail bundle is now OSGi-aware, but the classloading problems between javax.mail and javax.activation persist. javax.activation tries to read a /META-INF/mailcap file from the javamail jar and loads DataContentHandler classes from the javamail jar.
> To prevent this problem from occuring I have created a javax.activation bundle which provides a custom CommandMap implementation. This implementation uses the foreign bundle's classloader ( e.g. javax.mail classloader ) to load classes. This solves the classloading conflict between javax.mail and javax.activation.
> I will attach a zip archive of the maven project to the bundle as a contribution. The file is named org.apache.sling.javax.activation.zip and has the sha1sum cd4ad4279b5673a070d919a118d9aca571656f91 , md5sum 68487bdca46ba47bce9947087bd659ea .
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