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CollectionFactory.createMap(HashMap.class, 0) now returns a LinkedHashMap rather than a HashMap #30596

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wilkinsona opened this issue Jun 5, 2023 · 0 comments
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CollectionFactory.createMap(HashMap.class, 0) now returns a LinkedHashMap rather than a HashMap #30596

wilkinsona opened this issue Jun 5, 2023 · 0 comments
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@jhoeller
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in: core Issues in core modules (aop, beans, core, context, expression) type: regression A bug that is also a regression
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6.0.10

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@wilkinsona
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Affects: 6.0.9 and 5.3.28-SNAPSHOT

The changes made in 0211016 mean that CollectionFactory will now return a LinkedHashMap when a map of type HashMap is requested. This could lead to subtle regressions as the iteration order of the returned map will be different.
@jhoeller jhoeller self-assigned this Jun 5, 2023
@jhoeller jhoeller added type: regression A bug that is also a regression in: core Issues in core modules (aop, beans, core, context, expression) labels Jun 5, 2023
@jhoeller jhoeller added this to the 6.0.10 milestone Jun 5, 2023
@jhoeller jhoeller mentioned this issue Jun 5, 2023
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jhoeller added a commit that referenced this issue Jun 5, 2023
@jhoeller
Restore creation of plain HashSet/HashMap for direct HashSet/HashMap …
46d171a 
…type

Closes gh-30596

(cherry picked from commit cdc4497)
mdeinum pushed a commit to mdeinum/spring-framework that referenced this issue Jun 29, 2023
@jhoeller @mdeinum
Restore creation of plain HashSet/HashMap for direct HashSet/HashMap …
90527f1 
…type

Closes spring-projectsgh-30596
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in: core Issues in core modules (aop, beans, core, context, expression) type: regression A bug that is also a regression
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@wilkinsona @jhoeller