Thalys de Aguiar Gomes [http://community.jboss.org/people/jc.thalys] created the discussion "Class path contains multiple SLF4J bindings" To view the discussion, visit: http://community.jboss.org/message/638232#638232 -------------------------------------------------------------- Please, I have a big problem and would like to see if anyone here could help me, well researched and have not even found a good solution. I'm trying to upgrade from jboss 4.3.2 to 5.1.0 and I have this problem of implementation of slf4j, I've seen several forums on the Internet but didn't see a more plausible solution, I wonder if anyone has done this in some way and I could help. I would like to prioritize the application classloader and thus believe that these problems would not have... 16:20:36,437 ERROR [STDERR] SLF4J: Class path contains multiple SLF4J bindings. 16:20:36,437 ERROR [STDERR] SLF4J: Found binding in [vfszip:/C:/Development/Tools/Jboss/5.1.0/server/default/deploy/acsele-DEVELOPMENT.DO-NO-SVN-INFO-20111124.ear/acsele-DEVELOPMENT.DO-NO-SVN-INFO-20111124.war/WEB-INF/lib/logback-classic-1.0.0.jar/org/slf4j/impl/StaticLoggerBinder.class] 16:20:36,437 ERROR [STDERR] SLF4J: Found binding in [vfszip:/C:/Development/Tools/Jboss/5.1.0/common/lib/slf4j-jboss-logging.jar/org/slf4j/impl/StaticLoggerBinder.class] 16:20:36,437 ERROR [STDERR] SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation. 16:20:36,468 ERROR [STDERR] Failed to auto configure default logger context 16:20:36,468 ERROR [STDERR] Reported exception: 16:20:36,468 ERROR [STDERR] ch.qos.logback.core.joran.spi.JoranException: Parser configuration error occurred 16:20:36,468 ERROR [STDERR]     at ch.qos.logback.core.joran.event.SaxEventRecorder.buildSaxParser(SaxEventRecorder.java:86) 16:20:36,468 ERROR [STDERR]     at ch.qos.logback.core.joran.event.SaxEventRecorder.recordEvents(SaxEventRecorder.java:57) 16:20:36,468 ERROR [STDERR]     at ch.qos.logback.core.joran.GenericConfigurator.doConfigure(GenericConfigurator.java:132) 16:20:36,468 ERROR [STDERR]     at ch.qos.logback.core.joran.GenericConfigurator.doConfigure(GenericConfigurator.java:96) 16:20:36,468 ERROR [STDERR]     at ch.qos.logback.core.joran.GenericConfigurator.doConfigure(GenericConfigurator.java:55) 16:20:36,468 ERROR [STDERR]     at ch.qos.logback.classic.util.ContextInitializer.configureByResource(ContextInitializer.java:75) 16:20:36,468 ERROR [STDERR]     at ch.qos.logback.classic.util.ContextInitializer.autoConfig(ContextInitializer.java:148) 16:20:36,484 ERROR [STDERR]     at org.slf4j.impl.StaticLoggerBinder.init(StaticLoggerBinder.java:84)   Thanks in advance -------------------------------------------------------------- Reply to this message by going to Community [http://community.jboss.org/message/638232#638232] Start a new discussion in JBoss Microcontainer at Community [http://community.jboss.org/choose-container!input.jspa?contentType=1&...]