Java Log4j Appender Project

I have a log4j appender that sits in another module part of the same project I use it via a dependency. I only want to store the messages in an array list but when i add the dependency in my xml file i get this error when starting up my application:

2024-02-25T23:28:31.047002100Z main ERROR Error processing element HttpAppender ([Appenders: null]): CLASS_NOT_FOUND
2024-02-25T23:28:31.081762600Z main ERROR Unable to locate appender "HttpAppender" for logger config "root"