Dominik Süß created SLING-7466:
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Summary: EntityResourceList cleaning up resource instead of
updating
Key: SLING-7466
URL: https://issues.apache.org/jira/browse/SLING-7466
Project: Sling
Issue Type: Bug
Components: Installer
Affects Versions: Installer Core 3.8.10
Reporter: Dominik Süß
Fix For: Installer Core 3.8.12
In case of a replaced launchpad containing an unchanged resource the
EntityResourceList is called for "addOrUpdate" of this Resource - in case the
resource already exists but the digest differs the method currently drops the
new resource without updating the existing one keeping the old dataUri.
The issue manifests if these RegisteredResources are currently in INSTALL state
and the INSTALLED version gets dropped subsequently.
This isn't just a theoretical case but was observed for cases where a bundle in
an n-1 version was patched to the same version provided in version n of
launchpad and launchpad hasn't changed for n+1. If the jcr version is then
removed the installation of the outdated registeredResource fails because of a
wrong dataUri.
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