ClassNotFoundException: org.slf4j.LoggerFactory

Question

I am trying to run GWT RequestFactory and facing this error:

ClassNotFoundException: org.slf4j.LoggerFactory

I have tried to download s

Answer 1

For a bit more explanation: keep in mind that the "I" in "api" is interface. The slf4j-api jar only holds the needed interfaces (actually LoggerFactory is an abstract class). You also need the actual implementations (an example of which, as noted above, can be found in slf4j-simple). If you look in the jar, you'll find the required classes under the "org.slf4j.impl" package.