I use log4j in struts2 application which is deployed in websphere running on AIX mechine. I am getting following error Error 500: Filter [struts2]: could not be initialized
[6/17/10 10:37:02:247 CDT] 00000029 WebApp E [Servlet Error]-[Filter [struts2]: could not be initialized]: java.lang.NoClassDefFoundError: org.apache.struts2.dispatcher.Dispatcher (initialization failure) at java.lang.Throwable.(Throwable.java:57) at java.lang.Throwable.(Throwable.java:68) at java.lang.J9VMInternals.initialize(J9VMInternals.java:123) at org.apache.struts2.dispatcher.FilterDispatcher.createDispatcher(FilterDispatcher.java:239) at org.apache.struts2.dispatcher.FilterDispatcher.init(FilterDispatcher.java:200) at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.init(FilterInstanceWrapper.java:142) at com.ibm.ws.webcontainer.filter.WebAppFilterManager.loadFilter(WebAppFilterManager.java:430) at com.ibm.ws.webcontainer.filter.WebAppFilterManager.getFilterInstanceWrapper(WebAppFilterManager.java:213) at com.ibm.ws.webcontainer.filter.WebAppFilterManager.getFilterChain(WebAppFilterManager.java:271) at com.ibm.ws.webcontainer.filter.WebAppFilterManager.doFilter(WebAppFilterManager.java:656) at com.ibm.ws.webcontainer.filter.WebAppFilterManager.doFilter(WebAppFilterManager.java:641) at com.ibm.ws.webcontainer.extension.DefaultExtensionProcessor.invokeFilters(DefaultExtensionProcessor.java:613) at com.ibm.ws.wswebcontainer.extension.DefaultExtensionProcessor.invokeFilters(DefaultExtensionProcessor.java:145) at com.ibm.ws.webcontainer.extension.DefaultExtensionProcessor.handleRequest(DefaultExtensionProcessor.java:460) at com.ibm.ws.wswebcontainer.extension.DefaultExtensionProcessor.handleRequest(DefaultExtensionProcessor.java:111) at com.ibm.ws.webcontainer.webapp.WebApp.handleRequest(WebApp.java:3107) at com.ibm.ws.webcontainer.webapp.WebGroup.handleRequest(WebGroup.java:238) at com.ibm.ws.webcontainer.WebContainer.handleRequest(WebContainer.java:811) at com.ibm.ws.wswebcontainer.WebContainer.handleRequest(WebContainer.java:1425) at com.ibm.ws.webcontainer.channel.WCChannelLink.ready(WCChannelLink.java:92) at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleDiscrimination(HttpInboundLink.java:465) at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleNewInformation(HttpInboundLink.java:394) at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.ready(HttpInboundLink.java:274) at com.ibm.ws.tcp.channel.impl.NewConnectionInitialReadCallback.sendToDiscriminators(NewConnectionInitialReadCallback.java:214) at com.ibm.ws.tcp.channel.impl.NewConnectionInitialReadCallback.complete(NewConnectionInitialReadCallback.java:113) at com.ibm.ws.tcp.channel.impl.AioReadCompletionListener.futureCompleted(AioReadCompletionListener.java:152) at com.ibm.io.async.AbstractAsyncFuture.invokeCallback(AbstractAsyncFuture.java:213) at com.ibm.io.async.AbstractAsyncFuture.fireCompletionActions(AbstractAsyncFuture.java:195) at com.ibm.io.async.AsyncFuture.completed(AsyncFuture.java:136) at com.ibm.io.async.ResultHandler.complete(ResultHandler.java:193) at com.ibm.io.async.ResultHandler.runEventProcessingLoop(ResultHandler.java:725) at com.ibm.io.async.ResultHandler$2.run(ResultHandler.java:847) at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1498)
Any help would be appriciated.
Thanks