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9d273094e8
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diamond-scan: spring/hibernate/weld/quarkus/micronaut O(2^D) hierarchy traversal
5 new defects across 5 repos — all diamond recursion (map/set .put/.add return
value ignored before unconditional recurse):
- spring-0001: AnnotationsScanner.processClassHierarchy TYPE_HIERARCHY mode,
no visited guard, used by every @Transactional/@Autowired/@RequestMapping scan
- hibernate-0001: ClassHierarchyHelper.getImplementedInterfaces, Set.add()
return ignored before unconditional recurse — hibernate-validator
- weld-0004: HierarchyDiscovery.discoverTypes, HashMap.put() return ignored,
CDI bean type closure discovery at startup
- quarkus-0004: HierarchyDiscovery.discoverTypes (ArC, copied from Weld),
same defect — Quarkus startup + native image
- micronaut-0005: NativeElementsHelper.populateTypeHierarchy, no visited guard
- micronaut-0006: GenericUtils.populateTypeArgumentsForInterfaces, recursion
outside containsKey guard
Also rename cpython-0001→0002, 0002→0003, 0003→0004 (pre-existing renumber).
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2026-03-29 20:17:52 -04:00 |
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8a85da480d
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micronaut-0004 + diamond-recursion CLEAN sweep: camel/hazelcast/tomcat/undertow/vertx/quarkus-0003 unit tests
micronaut-0004: AbstractAnnotationMetadataBuilder.processAnnotation O(2^D) diamond recursion
in meta-annotation stereotype traversal. isProcessed() guard tracks only current-path ancestors,
not globally visited nodes — diamond meta-annotation hierarchies cause exponential re-visits
of shared base annotations (e.g. @Transactional + @Retryable both extend @InterceptorBinding).
13x at D=8, 41x at D=10. 10/10 unit tests PASS.
quarkus-0003 unit tests: added to QuarkusTest.java for the existing quarkus-0003
BeanDeployment.recursiveBuild diamond defect. 9/9 PASS.
CLEAN markers: camel, hazelcast, tomcat, undertow, vertx — no diamond recursion pattern found.
Hazelcast uses proper Tarjan algorithm. Tomcat uses iterative constraint propagation.
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2026-03-29 17:21:51 -04:00 |
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