Sounds like a bug to me, please create a JIRA ticket. Not sure what to do
though when no snapshot is present, probably just removing the package itself
without trying to revert any contained content is the most reasonable action
here. What would you expect to happen when content packages are removed?
Thanks,
Konrad
> On 17. Mar 2022, at 17:57, Dr. Hans-Peter Störr <spiege...@planet.ms> wrote:
>
> Hi!
>
> I'm currently exploring how to use the Sling feature launcher in practice,
> and stumble over the following problem. It is nicely possible to install
> content and application packages by using a feature like e.g. this:
>
> {
>
> "id":"com.composum.platform:composum-startup-featurelauncher:slingosgifeature:somewildtry:1.0.0-SNAPSHOT",
> "title":"install a package",
> "content-packages:ARTIFACTS|required": [
> {
> "id":
> "com.composum.platform:composum-platform-commons-package:zip:1.4.0"
> }
> ]
> }
>
> Now suppose I have run the application for a while and want to upgrade that
> package to version 1.5.0. How would I do that? If I just change the version
> number of the package (and the feature id), I actually see both versions of
> the package installed in the package manager. When I look into the logfile,
> there was actually an attempt to deinstall the package, but that fails due to
> "Unable to uninstall package. No snapshot present." Am I doing something
> wrong, or is this a bug?
> BTW: the same thing happens if I copy a package into launcher/install and
> then remove it to replace it with a new version.
> Thank you!
>
> Best regards,
>
> Hans-Peter
>
> 17.03.2022 17:44:03.787 *ERROR* [OsgiInstallerImpl]
> org.apache.sling.installer.factory.packages.impl.PackageTransformer Error
> while processing uninstall content package task of
> TaskResource(url=cloudlauncher:/Users/hps/dev/composum/sling/sling-starter/target/launcher/cache/com/composum/platform/composum-platform-commons-package/1.4.0/composum-platform-commons-package-1.4.0.zip,
>
> entity=content-package:com/composum/platform:composum-platform-commons-package,
> state=UNINSTALL, attributes=[Bundle-Version=1.4.0,
> org.apache.sling.installer.api.tasks.ResourceTransformer=:24:28:655:,
> package-id=com/composum/platform:composum-platform-commons-package:1.4.0],
> digest=/Users/hps/dev/composum/sling/sling-starter/target/launcher/cache/com/composum/platform/composum-platform-commons-package/1.4.0/composum-platform-commons-package-1.4.0.zip)
> due to Unable to uninstall package. No snapshot present., no retry.
> org.apache.jackrabbit.vault.packaging.PackageException: Unable to uninstall
> package. No snapshot present.
> at
> org.apache.jackrabbit.vault.packaging.impl.JcrPackageImpl.uninstall(JcrPackageImpl.java:1004)
> [org.apache.jackrabbit.vault:3.5.6]
> at
> org.apache.jackrabbit.vault.packaging.impl.JcrPackageImpl.uninstall(JcrPackageImpl.java:982)
> [org.apache.jackrabbit.vault:3.5.6]
> at
> org.apache.sling.installer.factory.packages.impl.PackageTransformer$UninstallPackageTask.doExecute(PackageTransformer.java:405)
> [org.apac he.sling.installer.factory.packages:1.0.4]
> at
> org.apache.sling.installer.factory.packages.impl.PackageTransformer$AbstractPackageInstallTask.execute(PackageTransformer.java:269)
> [org. apache.sling.installer.factory.packages:1.0.4]
> at
> org.apache.sling.installer.core.impl.OsgiInstallerImpl.doExecuteTasks(OsgiInstallerImpl.java:918)
> [org.apache.sling.installer.core:3.12.0 ]
> at
> org.apache.sling.installer.core.impl.OsgiInstallerImpl.executeTasks(OsgiInstallerImpl.java:755)
> [org.apache.sling.installer.core:3.12.0]
> at
> org.apache.sling.installer.core.impl.OsgiInstallerImpl.run(OsgiInstallerImpl.java:304)
> [org.apache.sling.installer.core:3.12.0]
> at java.base/java.lang.Thread.run(Thread.java:834)
>
>
>
>
