GitHub user ppkarwasz added a comment to the discussion: Help with migrating
from log4j to log4j2 (we also use a slf4j -> log4j)
> If I do:
>
> ```java
> if (name == null) {
> org.apache.logging.log4j.core.config.Configurator.setAllLevels("",
> newLevel);
> } else {
> LoggerContext ctx = (LoggerContext) LogManager.getContext(false);
> //org.apache.logging.log4j.core.config.Configuration config =
> ctx.getConfiguration();
> ctx.getLoggerRegistry()
> .getLoggers()
> .forEach(
> logger -> {
> String loggerName = logger.getName();
> if (loggerName.contains(name)) {
>
> org.apache.logging.log4j.core.config.Configurator.setLevel(loggerName,
> newLevel);
> }
> });
> }
> ```
>
> that works. Or do you recommend something else?
`Configurator.setAllLevels` should work with any logger name, not just "". Are
you saying it doesn’t behave that way in your case?
GitHub link:
https://github.com/apache/logging-log4j2/discussions/3914#discussioncomment-14310860
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