Marcel Reutegger created OAK-1274:
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Summary: Wrong comparison for old Revisions
Key: OAK-1274
URL: https://issues.apache.org/jira/browse/OAK-1274
Project: Jackrabbit Oak
Issue Type: Bug
Components: core, mongomk
Affects Versions: 0.13
Reporter: Marcel Reutegger
Priority: Minor
Comparing revisions may return wrong results when one of the revision is older
than the oldest revision range kept in the RevisionComparator.
There are multiple reasons why there is no revision range for a revision.
- The revision was created more than an hour ago and the associated range was
purged from the RevisionComparator. This happens in the background thread of
MongoNodeStore with a threshold of one hour.
- The revision isn't actually that old, but still included in a range of the
RevisionComparator because the MongoNodeStore instance was just initialized and
only has ranges for recent revisions but not for those before the init.
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