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Log4jLog needs to re-resolve ExtendedLogger on deserialization (for compatibility with Log4J 2.21) #31582

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jhoeller opened this issue Nov 9, 2023 · 0 comments
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Log4jLog needs to re-resolve ExtendedLogger on deserialization (for compatibility with Log4J 2.21) #31582

jhoeller opened this issue Nov 9, 2023 · 0 comments
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in: core Issues in core modules (aop, beans, core, context, expression) status: backported An issue that has been backported to maintenance branches type: enhancement A general enhancement
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6.0.14

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jhoeller commented Nov 9, 2023

Log4J 2.21 holds a ThreadLocal instance in a non-transient field which breaks serialization behind our Commons Logging adapter. Since we re-resolve the delegate on deserialization for SLF4J already, we should do the same for Log4J.
@jhoeller jhoeller added in: core Issues in core modules (aop, beans, core, context, expression) type: enhancement A general enhancement labels Nov 9, 2023
@jhoeller jhoeller added this to the 6.0.14 milestone Nov 9, 2023
@jhoeller jhoeller self-assigned this Nov 9, 2023
@github-actions github-actions bot added status: backported An issue that has been backported to maintenance branches and removed for: backport-to-5.3.x labels Nov 9, 2023
@github-actions github-actions bot mentioned this issue Nov 9, 2023
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jhoeller added a commit that referenced this issue Nov 9, 2023
@jhoeller
Log4jLog re-resolves ExtendedLogger on deserialization
f97e819 
This is necessary for compatibility with Log4J 2.21, analogous to the existing re-resolution in Spring's SLF4J adapter.

Closes gh-31582

(cherry picked from commit 1e78cc3)
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in: core Issues in core modules (aop, beans, core, context, expression) status: backported An issue that has been backported to maintenance branches type: enhancement A general enhancement
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