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https://issues.apache.org/jira/browse/SLING-2217?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13116806#comment-13116806
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Andrew Khoury commented on SLING-2217:
--------------------------------------
Carsten, I tested the following with org.apache.sling.installer.core-3.2.2:
1. Upload bundle.jar to /apps/myapp/install/bundle.jar with "Bundle-Version:
2.0.0" in the MANIFEST.MF
2. Unpack the bundle and set "Bundle-Version: 1.0.0" in the MANIFEST.MF
3. Repack the bundle
4. Upload the repacked bundle.jar to /apps/myapp/install/bundle.jar (Nothing
happens)
Bertrand, yes my scenario is different than what is provided in the test cases.
However, there is one similar test case for the upload of a bundle that has a
filename with a lower version number.
// Downgrade to lower version, installed bundle must not change
{
final Object listener = this.startObservingBundleEvents();
installer.updateResources(URL_SCHEME, getInstallableResource(
getTestBundle(BUNDLE_BASE_NAME + "-testbundle-1.0.jar"),
"digestA"), null);
sleep(150);
// make sure no updates happen
this.assertNoBundleEvents("Older bundle should not be installed.",
listener, symbolicName);
final Bundle b = assertBundle("After ignored downgrade",
symbolicName, "1.2", Bundle.ACTIVE);
assertEquals("Bundle ID must not change after ignored downgrade",
bundleId, b.getBundleId());
}
> Need a good way to downgrade a bundle
> -------------------------------------
>
> Key: SLING-2217
> URL: https://issues.apache.org/jira/browse/SLING-2217
> Project: Sling
> Issue Type: Improvement
> Components: Installer
> Affects Versions: JCR Installer 3.1.0
> Reporter: Andrew Khoury
> Priority: Minor
>
> The JCR install module should allow for downgrading to an older version of a
> bundle if the bundle jar is replaced. This is relevant when you do a release
> of a bundle in a QA or Staging environment and later decide that the release
> should be rolled back to the old version. It might make sense to just to
> simplify things by reinstalling the bundle to the osgi container whenever the
> jar file is replaced.
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