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Date: Fri, 15 Aug 2008 12:39:44 -0700 (PDT)
From: "Marcel Offermans (JIRA)" <jira@apache.org>
To: dev@felix.apache.org
Subject: [jira] Commented: (FELIX-682) Package.getImplementationVersion
 returns null for package loaded by Felix
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    [ https://issues.apache.org/jira/browse/FELIX-682?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12622994#action_12622994 ] 

Marcel Offermans commented on FELIX-682:
----------------------------------------

Where does it say that implementation version is JAR wide?

The only thing I can find is this:
http://java.sun.com/docs/books/tutorial/deployment/jar/packageman.html

And if I then look at the manifest you quote here, it is not compliant with that spec.

But besides that, we have a perfectly working versioning mechanism in OSGi which is much better than what Java offers, so why bother with that Package class at all?

> Package.getImplementationVersion returns null for package loaded by Felix
> -------------------------------------------------------------------------
>
>                 Key: FELIX-682
>                 URL: https://issues.apache.org/jira/browse/FELIX-682
>             Project: Felix
>          Issue Type: Bug
>          Components: Framework
>    Affects Versions: felix-1.0.4
>         Environment: NA
>            Reporter: Sahoo
>             Fix For: felix-1.2.0
>
>         Attachments: Felix-682.zip
>
>
> Even though MANIFEST.MF has proper entry for Implementation-Version, Package.getImplementationVersion() returns null. A  reproducible test case is attached. It is described below:
> public class Foo implements BundleActivator {
>     public void start(BundleContext context) throws Exception {
>         Package p = getClass().getPackage();
>         System.out.println(p);
>         System.out.println(p.getImplementationVersion());
>    }
> }
> The headers for this bundle are:
> osgi-test1 (10)
> ---------------
> Tool = Bnd-0.0.255
> Bundle-Activator = sahoo.osgitest1.Foo
> Implementation-Version = 1.0-SNAPSHOT
> Implementation-Vendor-Id = sahoo
> Bundle-Version = 1.0.0.SNAPSHOT
> Build-Jdk = 1.5.0_13-rev
> Implementation-Title = osgi-test1
> Created-By = Apache Maven Bundle Plugin
> Bundle-ManifestVersion = 2
> Manifest-Version = 1.0
> Bnd-LastModified = 1218821794953
> Private-Package = sahoo.osgitest1
> Bundle-Name = osgi-test1
> Built-By = ss141213
> Import-Package = org.osgi.framework;version="1.3"
> Bundle-SymbolicName = sahoo.osgi-test1

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