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I am currently refactoring very old code in an JavaEE Wildfly software. Upon executing I always get the following two warnings: log4j:ERROR Could not find value for key log4j.appender.socketAppender log4j:ERROR Could not instantiate appender named "socketAppender".

In my POM I am dependent to:
org.apache.log4j(core) 2.17.1
org.sl4j(api&simple) 1.7.30

The existing Log4j-property file looks as follows:

log4j.rootLogger=INFO, stdout

log4j.appender.stdout=org.apache.log4j.socketAppender

log4j.appender.stdout.layout=org.apache.log4j.PatternLayout

log4j.appender.stdout.layout.ConversionPattern=%d{ABSOLUTE} %5p %c:%L - %m%n
Adam Michael
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    Shouldn't it be org.apache.log4j.SocketAppender – ehsavoie Feb 24 '22 at 09:15
  • Does this answer your question? [log4j: How to use SocketAppender?](https://stackoverflow.com/questions/11759196/log4j-how-to-use-socketappender) – pringi Feb 24 '22 at 13:33

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