[slf4j-dev] [JIRA] Updates for SLF4J-561: SLF4J 1.x to 2.x migration bridge library.

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SLF4J / SLF4J-561 [Open]
SLF4J 1.x to 2.x migration bridge library.

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 Issue created
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Garret Wilson created this issue on 19/Sep/22 6:04 PM
Summary:              SLF4J 1.x to 2.x migration bridge library.
Issue Type:           New Feature
Assignee:             SLF4J developers list
Created:              19/Sep/22 6:04 PM
Priority:             Major
Reporter:             Garret Wilson
Description:
  Did I read somewhere that there is a SLF4J 2.x compatibility module that will provide {{StaticLoggerBinder}} to keep old applications from breaking? I thought I had read that somewhere, but I can't find it now.
  
  If there is no such thing, then I propose that a separate SLF4J 2.x library be published as a sort of "migration bridge" between SLF4J 1.x and SLF4J 2.x. It would provide a minimal {{StaticLoggerBinder}} that doesn't allow _registration_ of any modules, but would implement {{getLoggerFactory()}} to delegate to the default version. This would allow an application to manually pull in SLF4J 2.x, but still not crash when a misbehaving application such as Spark 3.3.0 tries to access {{StaticLoggerBinder}} manually. (See [SPARK-40489|https://issues.apache.org/jira/browse/SPARK-40489].) This would just be a single artifact to include as a dependency to keep legacy classes from breaking.
  
  If you're not open to that suggestion, I suppose I could create such a "bridge" as part of my [Clogr|https://clogr.io/], but my first choice would be for it to be part of official SLF4J.
  
  Without such a thing, I fear SLF4J 2.x adoption could be slowed.


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