red5 1.0 启动异常

RED5 1.0RC1 启动异常??异常错误：org.slf4j.helpers.BasicMDCAdapter cannot be cast to ch.qos.logback.classic.util.LogbackMDCAdapter

Deploy type: bootstrap
Logback selector: org.red5.logging.LoggingContextSelector
Setting default logging context: default
Logger context selector method found
Exception java.lang.ClassCastException: org.slf4j.helpers.BasicMDCAdapter cannot be cast to ch.qos.logback.classic.util.LogbackMDCAdapter
Bootstrap complete

删除这两个文件才能正常运行...
com.springsource.slf4j.juli - 1.6.1.jar
com.springsource.slf4j.log4j-1.6.1.jar