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Remove use of global static TypeFactory singleton from 3.0 #4659

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cowtowncoder opened this issue Aug 11, 2024 · 0 comments
Open

Remove use of global static TypeFactory singleton from 3.0 #4659

cowtowncoder opened this issue Aug 11, 2024 · 0 comments
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3.0 Issue planned for initial 3.0 release

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@cowtowncoder
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Describe your Issue

(note: offshoot of FasterXML/jackson-core#1321)

Unlike all other caches, cache for the default instance of TypeFactory is not bound to one specific ObjectMapper and can therefore lead to unintended Class retention.
This should not happen: each ObjectMapper should have its own TypeFactory instead of global singleton.

Change is probably not possible for 2.x but should be doable for 3.0.
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