SweetWuXiaoMei commented on issue #3284:
URL:
https://github.com/apache/logging-log4j2/issues/3284#issuecomment-2553026313
```
// See if the logger is created by another thread in the meantime
final Map<String, WeakReference<Logger>> loggerRefByName =
loggerRefByNameByMessageFactory.computeIfAbsent(messageFactory, ignored -> new
HashMap<>());
WeakReference<Logger> loggerRef = loggerRefByName.get(name);
if (loggerRef != null && (logger = loggerRef.get()) != null) {
return logger;
}
```
This code snippet looks like a bug.If it is created for the first time, the
loggerRefByName variable is null.
Because loggerRefByNameByMessageFactory.computeIfAbsent will return null. I
can fix this bug if needed.
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