Skip to content
Software Testing Journal
Software Testing Journal

Your daily dose of learning!

  • Blog
  • Help Center
  • Video Playlist
  • Podcast & FAQ
  • Privacy Policy
Software Testing Journal

Your daily dose of learning!

SLF4J: failed to load class org slf4j impl staticloggerbinder

Dheeraj Gambhir, 2023-09-282023-09-28

Are you facing this warning or an error?
SLF4J: Failed to load class “org.slf4j.impl.StaticLoggerBinder”.
SLF4J: Defaulting to no-operation (NOP) logger implementation

Often, SLF4J serves as a simple facade for multiple Java logging frameworks such as Log4j2 or Logback. Overall, the error message “Failed to Load Class org.slf4j.impl.StaticLoggerBinder” implies that SLF4J cannot identify and load the StaticLoggerBinder class into memory.

There could be several causes, but the most common is adding only slf4j-api to the classpath without an appropriate binding implementation.

Please keep in mind that, in 1.6.0, SLF4J defaults to a no-operation (NOP) logger implementation when there is no dependency for static binding. However, 2.0.x versions no longer honor the inert binder and instead use the ServiceLoader method.

One of the ways to fix the error is to add the missing dependency to add slf4j-simple:

If you find this post helpful, please share them with your colleagues and friends.

  • Facebook
  • Twitter
  • LinkedIn
  • Email
TestAutomation JavaTips

Post navigation

Previous post
Next post
©2025 Software Testing Journal | WordPress Theme by SuperbThemes