Question

java.lang.NoSuchMethodError: org.apache.log4j.Logger.isTraceEnabled()Z

严重: End event threw error
java.lang.NoSuchMethodError: org.apache.log4j.Logger.isTraceEnabled()Z
at org.slf4j.impl.Log4jLoggerAdapter.isTraceEnabled(Log4jLoggerAdapter.java:81)
at org.apache.commons.logging.impl.SLF4JLocationAwareLog.isTraceEnabled(SLF4JLocationAwareLog.java:61)
at org.apache.commons.beanutils.ConvertUtilsBean.convert(ConvertUtilsBean.java:425)
at org.apache.commons.beanutils.ConvertUtils.convert(ConvertUtils.java:217)
at org.apache.commons.digester.CallMethodRule.end(CallMethodRule.java:457)
at org.apache.commons.digester.Rule.end(Rule.java:276)
at org.apache.commons.digester.Digester.endElement(Digester.java:1058)
org.apache.catalina.core.ContainerBase.addChildInternal
……
2008-7-21 22:52:49 org.apache.commons.modeler.Registry registerComponent
严重: Null component Catalina:type=JspMonitor,WebModule=//localhost/MarykayMB,J2EEApplication=none,J2EEServer=none
2008-7-21 22:52:49 org.apache.catalina.startup.HostConfig deployDirectories
严重: Error deploying web application directory MarykayMB
java.lang.NoSuchMethodError: org.apache.log4j.Logger.isTraceEnabled()Z
at org.slf4j.impl.Log4jLoggerAdapter.isTraceEnabled(Log4jLoggerAdapter.java:81)
at org.apache.commons.logging.impl.SLF4JLocationAwareLog.isTraceEnabled(SLF4JLocationAwareLog.java:61)
at org.apache.commons.beanutils.ConvertUtilsBean.convert(ConvertUtilsBean.java:425)
at org.apache.commons.beanutils.ConvertUtils.convert(ConvertUtils.java:217)
at org.apache.commons.digester.CallMethodRule.end(CallMethodRule.java:457)
at org.apache.commons.digester.Rule.end(Rule.java:276)
at org.apache.commons.digester.Digester.endElement(Digester.java:1058)

……

2008-7-21 22:52:49 org.apache.catalina.core.StandardHostDeployer install
信息: Installing web application at context path /nbookstore.myeclipse.bak from URL file:D:\qudong\Tomcat 5.0.28\Tomcat 5.0\webapps\nbookstore.myeclipse.bak
----
刚打开TOMCAT就出现这个异常java.lang.NoSuchMethodError: org.apache.log4j.Logger.isTraceEnabled()Z异常是什么异常,应该怎么解决,

Answer 1

无视这个报错应该也能正常运行的。
似乎是你移动了某个文件夹造成的。

Answer 2

看起来像是你的Tomcat有问题，