The GitHub Actions job "Build" on jackrabbit-oak.git/trunk has failed.
Run started by GitHub user thomasmueller (triggered by thomasmueller).

Head commit for run:
6cfac1978996dd149356cdcc522e9ab6fcac7a76 / Thomas Mueller <[email protected]>
OAK-12244: index nodes that gain a mixin rule, delete stale docs when… (#2949)

* OAK-12244: index nodes that gain a mixin rule, delete stale docs when mixin 
rule is lost (#2938)

When an existing node's applicable indexing rule changes at runtime (e.g. 
jcr:mixinTypes
added or removed), FulltextIndexEditor did not update the index because 
propertiesChanged
was never set — jcr:mixinTypes is not normally listed in a rule's property 
definitions.

Track wasIndexable (rule matched before) alongside isIndexable() (rule matches 
after).
In leave(), act on transitions:
- !wasIndexable && isIndexable(): node gained a rule → addOrUpdate
- wasIndexable && !isIndexable(): node lost a rule → deleteDocuments

Tests added:
- PropertyIndexCommonTest: two end-to-end integration tests (all backends)
- LuceneIndexEditor2Test: two unit tests verifying writer.docs / 
writer.deletedPaths

* OAK-12244: fix mixin type changes not reflected in fulltext index (#2953)

Root cause: when a node gains or loses a mixin type at runtime,
FulltextIndexEditor did not update the index because propertiesChanged
was never set — jcr:mixinTypes is not normally listed in a rule's
property definitions.

Fix: track wasIndexable (rule matched before) alongside isIndexable()
(rule matches after). In leave(), act on the indexing-rule transition:
- !wasIndexable && isIndexable(): node gained a rule → addOrUpdate
- wasIndexable && !isIndexable(): node lost a rule → deleteDocument

Split FulltextIndexWriter into two explicit operations:
- deleteDocumentTree(path): node physically removed; cascade is correct
- deleteDocument(path): node lost indexability at runtime; exact only

The original deleteDocuments used a PrefixQuery that cascaded to all
descendants; in the mixin-loss branch this was a bug — children carrying
their own mixin types were incorrectly evicted from the index.

Additional changes:
- Snapshot FT_OAK_12244_DISABLE once per commit cycle in 
FulltextIndexEditorContext
  as typeChangeTrackingEnabled so enter() and leave() always agree
- Skip getApplicableIndexingRule(before) on the hot path via hasNodeTypeChange
  guard when neither jcr:primaryType nor jcr:mixinTypes changed
- Register FT_OAK_12244 toggle in ElasticIndexProviderService
- Reuse CommitFailedException code 5 for the deleteDocument error path

Tests:
- PropertyIndexCommonTest: end-to-end integration tests (all backends)
- LuceneIndexEditor2Test: unit tests verifying writer.docs / writer.deletedPaths
- Verified: 1245 tests, 0 failures in oak-lucene

---------

Co-authored-by: Benjamin Habegger <[email protected]>

Report URL: https://github.com/apache/jackrabbit-oak/actions/runs/28870207979

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