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java.lang.NoClassDefFoundError: org/apache/log4j/Layout at org.apache.commons.logging.impl.Log4jFactory.getInstance(Log4jFactory.java:140) at org.apache.commons.logging.impl.LogFactoryImpl.getInstance(LogFactoryImpl.java:253) at org.apache.commons.logging.LogFactory.getLog(LogFactory.java:375) at org.apache.struts.action.ActionServlet.<clinit>(ActionServlet.java:375) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27) at java.lang.reflect.Constructor.newInstance(Constructor.java:274) at java.lang.Class.newInstance0(Class.java:306) at java.lang.Class.newInstance(Class.java:259) at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:889) at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:813) at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:3346) at org.apache.catalina.core.StandardContext.start(StandardContext.java:3592) at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1123) at org.apache.catalina.core.StandardHost.start(StandardHost.java:638) at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1123) at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:345) at org.apache.catalina.startup.Embedded.start(Embedded.java:957) at com.iplanet.ias.web.WebContainer.start(WebContainer.java:426) at com.iplanet.ias.web.WebContainer.startInstance(WebContainer.java:514) at com.iplanet.ias.server.J2EERunner.confPostInit(J2EERunner.java:170)