would there be value in refactoring out log4j completely and just using JUL?  
is POI actually leveraging any exotic features of log4j or is this a leftover 
from the days before JUL existed?


Stanton Fisque
principal technologist
latticeware.com
portland, oregon

> On Nov 14, 2024, at 12:44 PM, PJ Fanning <fannin...@yahoo.com.INVALID> wrote:
> 
> I'm going to suggest that we create a new POI LogManager that wraps the log4j 
> one. This would catch null loggers and log4j exceptions and replace them with 
> a no-op logger instance. We can print to system.err to notify that we have 
> done this.
> 
> I don't think log4j issues should allowed to make POI fail completely. I'm 
> afraid that we have to assume that log4j is not reliable.
> 
> Reading
> * https://github.com/apache/logging-log4j2/issues/3196
> * https://lists.apache.org/thread/2fpkq93hvdz5ox8w6cqt7sbjrc0x66z6
> 
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