Didn't work. Same error. Must the api and the binding jar be loaded by the same classloader? -- View this message in context: http://slf4j.42922.n3.nabble.com/SLF4j-and-Log4j-on-WebSphere-8-5-What-is-correct-configuration-tp4025748p4025754.html Sent from the slf4j - user mailing list archive at Nabble.com.