Hi We have a POJO based Seam app that works fine on WebSphere 6.1 on windows. However the same EAR file when deployed on WebSphere 6.1 on IBM iSeries server, the application fails to initialize. Any help is greatly appreciated. Thanks. iSeries WebSphere 6.1 details ---------------------------------- Host Operating System is OS/400, version V5R3M0 Java version = 1.5.0.05-_17_oct_2006, Java Compiler = jitc_de, Java VM name = Classic VM The exceptions at application startup ------------------------------------------ WebApp E [Servlet Error]-[Faces Servlet]: java.lang.UnsatisfiedLinkError: org/ajax4jsf/framework/resource/ResourceBuilderImpl at java.lang.Throwable.(Throwable.java:196) at java.lang.Error.(Error.java:49) at java.lang.LinkageError.(LinkageError.java:36) at java.lang.UnsatisfiedLinkError.(UnsatisfiedLinkError.java:35) at org.ajax4jsf.framework.resource.InternetResourceBuilder.getInstance(InternetResourceBuilder.java:156) at org.ajax4jsf.framework.resource.InternetResourceService.init(InternetResourceService.java:95) at org.ajax4jsf.framework.ajax.xmlfilter.BaseFilter.getResourceService(BaseFilter.java:278) at org.ajax4jsf.framework.ajax.xmlfilter.BaseFilter.doFilter(BaseFilter.java:207) at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:190) at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:130) at com.ibm.ws.webcontainer.filter.WebAppFilterChain._doFilter(WebAppFilterChain.java:87) at com.ibm.ws.webcontainer.filter.WebAppFilterManager.doFilter(WebAppFilterManager.java:761) at com.ibm.ws.webcontainer.filter.WebAppFilterManager.doFilter(WebAppFilterManager.java:673) at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:498) at com.ibm.ws.wswebcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:464) at com.ibm.ws.webcontainer.webapp.WebApp.handleRequest(WebApp.java:3184) at com.ibm.ws.webcontainer.webapp.WebGroup.handleRequest(WebGroup.java:254) at com.ibm.ws.webcontainer.WebContainer.handleRequest(WebContainer.java:811) at com.ibm.ws.wswebcontainer.WebContainer.handleRequest(WebContainer.java:1433) at com.ibm.ws.webcontainer.channel.WCChannelLink.ready(WCChannelLink.java:111) at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleDiscrimination(HttpInboundLink.java:454) at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleNewInformation(HttpInboundLink.java:383) at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.ready(HttpInboundLink.java:263) 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.WorkQueueManager.requestComplete(WorkQueueManager.java:556) at com.ibm.ws.tcp.channel.impl.WorkQueueManager.attemptIO(WorkQueueManager.java:606) at com.ibm.ws.tcp.channel.impl.WorkQueueManager.workerRun(WorkQueueManager.java:979) at com.ibm.ws.tcp.channel.impl.WorkQueueManager$Worker.run(WorkQueueManager.java:1064) at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1458) MS Windows XP WAS 6.1 details (This one works) --------------------------------------------------------- Host Operating System is Windows XP, version 5.1 build 2600 Service Pack 2 Java version = J2RE 1.5.0 IBM J9 2.3 Windows XP x86-32 j9vmwi3223-20060504 (JIT enabled) J9VM - 20060501_06428_lHdSMR JIT - 20060428_1800_r8 GC - 20060501_AA, Java Compiler = j9jit23, Java VM name = IBM J9 VM View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4070151#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...