[slf4j-user] Receiving strange exception - Level number 40 is not recognized.

[Ceki Gulcu]

Jeffrey,

It seems to me like you are mixing various slf4j versions. The
internal representation of level changed between SLF4J version 1.3.1
and 1.4.0 when the trace level was introduced. Could you try using a
version of SLF4J later than 1.3.1? I would recommend version 1.5.0.

You might also want to check whether you are using different versions
of SLF4J simultaneously.

I hope this helps,


Jeffrey Puro wrote:
> I am receiving the following stack trace when trying to use slf4j within
> JBoss AS 4.0.  I am using 1.3.1 with commons logging 1.1.  I'm guessing
> it has to do with some dependency issue, and perhaps an older logger
> implementation.  Thanks in advance.
> 
> 
> java.lang.IllegalStateException: Level number 40 is not recognized.
> 	at
> org.slf4j.impl.Log4jLoggerAdapter.log(Log4jLoggerAdapter.java:421)
> 	at
> org.apache.commons.logging.impl.SLF4JLocationAwareLog.error(SLF4JLocatio
> nAwareLog.java:173)
> 	at
> org.apache.tomcat.util.digester.Digester.startElement(Digester.java:1280
> )
> 	at
> org.apache.xerces.parsers.AbstractSAXParser.startElement(Unknown Source)
> 	at
> org.apache.xerces.impl.dtd.XMLDTDValidator.startElement(Unknown Source)
> 	at
> org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanStartElement(U
> nknown Source)
> 	at
> org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDis
> patcher.dispatch(Unknown Source)
> 	at
> org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unkno
> wn Source)
> 	at org.apache.xerces.parsers.XML11Configuration.parse(Unknown
> Source)
> 	at org.apache.xerces.parsers.XML11Configuration.parse(Unknown
> Source)
> 	at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
> 	at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown
> Source)
> 	at
> org.apache.xerces.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown Source)
> 	at
> org.apache.tomcat.util.digester.Digester.parse(Digester.java:1561)
> 	at
> org.apache.catalina.startup.ContextConfig.applicationWebConfig(ContextCo
> nfig.java:351)
> 	at
> org.apache.catalina.startup.ContextConfig.start(ContextConfig.java:1041)
> 	at
> org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.j
> ava:260)
> 	at
> org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSu
> pport.java:119)
> 	at
> org.apache.catalina.core.StandardContext.start(StandardContext.java:4143
> )
> 	at
> org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.ja
> va:759)
> 	at
> org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:739)
> 	at
> org.apache.catalina.core.StandardHost.addChild(StandardHost.java:524)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.jav
> a:39)
> 	at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessor
> Impl.java:25)
> 	at java.lang.reflect.Method.invoke(Method.java:585)
> 
> 
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-- 
Ceki Gülcü
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