[jira] [Created] (SLING-2835) Addition of OSGi-aware javax.activation bundle

["Robert Munteanu (JIRA)" <ji...@apache.org>]

Robert Munteanu created SLING-2835:
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             Summary: 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


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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