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java.lang.IllegalArgumentException: Bad level "WARN"	at java.util.logging.Level.parse(	at org.apache.velocity.runtime.log.JdkLogChute.init(	at org.apache.velocity.runtime.log.LogManager.createLogChute(	at org.apache.velocity.runtime.log.LogManager.updateLog(	at org.apache.velocity.runtime.RuntimeInstance.initializeLog(	at org.apache.velocity.runtime.RuntimeInstance.init(	at org.apache.velocity.runtime.RuntimeInstance.init(	at org.apache.velocity.runtime.RuntimeSingleton.init(	at	at Source)	at Source)	at Source)	at Source)	at Source)	at Source)	at Source)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(	at sun.reflect.DelegatingMethodAccessorImpl.invoke(	at java.lang.reflect.Method.invoke(	at org.red5.server.service.ServiceInvoker.invoke(	at org.red5.server.service.ServiceInvoker.invoke(	at	at	at	at	at$TailFilter.messageReceived(	at	at$1100(	at$EntryImpl$1.messageReceived(	at org.apache.mina.filter.executor.ExecutorFilter.processEvent(	at org.apache.mina.filter.executor.ExecutorFilter$	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(	at java.util.concurrent.ThreadPoolExecutor$	at