log4j:ERROR Could not create an Appender. Reported error follows.
java.lang.ClassNotFoundException: org.apache.log4j.rolling.RollingFileAppender
at weblogic.utils.classloaders.GenericClassLoader.findLocalClass(GenericClassLoader.java:297)
at weblogic.utils.classloaders.GenericClassLoader.findClass(GenericClassLoader.java:270)
at weblogic.utils.classloaders.ChangeAwareClassLoader.findClass(ChangeAwareClassLoader.java:64)
at java.lang.ClassLoader.loadClass(ClassLoader.java:307)
at java.lang.ClassLoader.loadClass(ClassLoader.java:248)
at weblogic.utils.classloaders.GenericClassLoader.loadClass(GenericClassLoader.java:179)
at weblogic.utils.classloaders.ChangeAwareClassLoader.loadClass(ChangeAwareClassLoader.java:52)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:169)
at org.apache.log4j.helpers.Loader.loadClass(Loader.java:198)
at org.apache.log4j.xml.DOMConfigurator.parseAppender(DOMConfigurator.java:247)
at org.apache.log4j.xml.DOMConfigurator.findAppenderByName(DOMConfigurator.java:176)
at org.apache.log4j.xml.DOMConfigurator.findAppenderByReference(DOMConfigurator.java:191)
at org.apache.log4j.xml.DOMConfigurator.parseAppender(DOMConfigurator.java:284)
at org.apache.log4j.xml.DOMConfigurator.findAppenderByName(DOMConfigurator.java:176)
at org.apache.log4j.xml.DOMConfigurator.findAppenderByReference(DOMConfigurator.java:191)
at org.apache.log4j.xml.DOMConfigurator.parseChildrenOfLoggerElement(DOMConfigurator.java:523)
at org.apache.log4j.xml.DOMConfigurator.parseCategory(DOMConfigurator.java:436)
at org.apache.log4j.xml.DOMConfigurator.parse(DOMConfigurator.java:999)
at org.apache.log4j.xml.DOMConfigurator.doConfigure(DOMConfigurator.java:867)
at org.apache.log4j.xml.DOMConfigurator.doConfigure(DOMConfigurator.java:773)
at org.apache.log4j.helpers.OptionConverter.selectAndConfigure(OptionConverter.java:483)
at org.apache.log4j.LogManager.<clinit>(LogManager.java:127)
请帮助我解决这个问题。我已经在weblogic服务器域中复制了log4j.xml，但是当我启动服务器时，在控制台上出现了此异常。
log4j ×1