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From "Arnaud MERGEY (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (VFS-498) OSGI MANIFEST.MF "Import-Package" should be ";resolution:=optional" for Maven "optional" dependencies
Date Sat, 03 Mar 2018 16:21:00 GMT

    [ https://issues.apache.org/jira/browse/VFS-498?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16384718#comment-16384718
] 

Arnaud MERGEY commented on VFS-498:
-----------------------------------

This one should be reopened in version 2.2 some dependences are not optional anymore:

hadoop, jackrabit and ant

> OSGI MANIFEST.MF "Import-Package" should be ";resolution:=optional" for Maven "optional"
dependencies
> -----------------------------------------------------------------------------------------------------
>
>                 Key: VFS-498
>                 URL: https://issues.apache.org/jira/browse/VFS-498
>             Project: Commons VFS
>          Issue Type: Bug
>    Affects Versions: 2.0
>            Reporter: Michael Schnell
>            Assignee: Bernd Eckenfels
>            Priority: Major
>             Fix For: 2.1
>
>   Original Estimate: 4h
>  Remaining Estimate: 4h
>
> In the Maven "pom.xml" there are several "optional" dependencies like "jsch":
> {quote}
>     <dependency>
>       <groupId>com.jcraft</groupId>
>       <artifactId>jsch</artifactId>
>       <optional>true</optional>
>     </dependency>
> {quote}
> In the "Import-Package" section of the MANIFEST.MF it should also be "optional" like
this:
> {quote}
> com.jcraft.jsch;resolution:=optional,
> {quote}
> At the moment all dependencies are always required. This is a problem if you want to
use VFS in an OSGI environment as you have to install ALL dependencies and not only the ones
you really need.
> The mechanism creating the MANIFEST should be adjusted to reflect the optional dependencies
also in the MANIFEST. (Unfortunatelly this could mean to list all packages which should be
optional).



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