slf4j – Page 8 – Tarik Billa

Why not use java.util.logging?

September 20, 2022 by Tarik

Disclaimer: I am the founder of log4j, SLF4J and logback projects. There are objective reasons for preferring SLF4J. For one, SLF4J allows the end-user the liberty to choose the underlying logging framework. In addition, savvier users tend to prefer logback which offers capabilities beyond log4j, with j.u.l falling way behind. Feature-wise j.u.l may be sufficient … Read more

SLF4J: Failed to load class “org.slf4j.impl.StaticLoggerBinder”

September 7, 2022 by Tarik

I had the same issue with WebSphere 6.1. As Ceki pointed out, there were tons of jars that WebSphere was using and one of them was pointing to an older version of slf4j. The No-Op fallback happens only with slf4j -1.6+ so anything older than that will throw an exception and halts your deployment. There … Read more