what version of Log4J?

Sun, 16 Jul 2006 19:31:32 -0700 

What version of Log4J should one use with MINA?  I have been
developing/testing with MINA version 0.9.5.  I get the following
exception when trying to run the EchoServer example using  Log4J
1.2.13:

Exception in thread "AnonymousIoService-2-1"
java.lang.NoSuchMethodError:
org.apache.log4j.Logger.isEnabledFor(Lorg/apache/log4j/Level;)Z
       at 
org.slf4j.impl.Log4jLoggerAdapter.isWarnEnabled(Log4jLoggerAdapter.java:239)
       at org.apache.mina.util.SessionLog.warn(SessionLog.java:99)
       at 
org.apache.mina.common.support.AbstractIoFilterChain.callNextExceptionCaught(AbstractIoFilterChain.java:566)
       at 
org.apache.mina.common.support.AbstractIoFilterChain.access$900(AbstractIoFilterChain.java:51)
       at 
org.apache.mina.common.support.AbstractIoFilterChain$EntryImpl$1.exceptionCaught(AbstractIoFilterChain.java:782)
       at 
org.apache.mina.filter.thread.ThreadPoolFilter.processEvent(ThreadPoolFilter.java:248)
       at 
org.apache.mina.filter.thread.ThreadPoolFilter$ProcessEventsRunnable.run(ThreadPoolFilter.java:300)
       at 
org.apache.mina.filter.thread.LeaderFollowersThreadPool$Worker.run(LeaderFollowersThreadPool.java:319)


Thanks.
Mark

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