[GitHub] [logging-log4j2] virajjasani commented on issue #1227: ERROR No appender references provided to AsyncAppender: appenderRefs

["virajjasani (via GitHub)" <gi...@apache.org>]

virajjasani commented on issue #1227:
URL: https://github.com/apache/logging-log4j2/issues/1227#issuecomment-1411529807

   > Important note: The AsyncAppender can only be script configured using the [DOMConfigurator](https://logging.apache.org/log4j/1.2/apidocs/org/apache/log4j/xml/DOMConfigurator.html).
   
   I see, thanks for the details. Looks like we might have to use AsyncAppenders together with RFA in that case (instead of applying RFA as appender ref to AsyncAppender).
   
   
   > Remark: Log4j 1.2 reached end-of-life almost 8 years ago. Several security vulnerabilities were discovered since then. You should not use it.
   
   I agree, we are migrating from Log4J1 to Log4J2 only. However, as part of the big migration, we would be working on several sub-tasks. Since we use log4j.properties (rather than xml), we had added RFA to AsyncAppender programmatically. In order to avoid using `org.apache.log4j.Logger` directly, we need to replace them with slf4j. Before we do that, first I wanted to replace code that does `asyncAppender.addAppender(rfaAppender)` with log4j.properties in log4j1. Once this sub-task is done, as part of the overall migration, we can directly replace all log4j.properties to log4j2.properties in one shot.
   Hence, I raised above question.
   
   Thanks


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