I'm getting this error migrating to 1.2.2 from 1.1 in Websphere 5.0.x which is running in the 1.3 JVM.
[8/31/04 11:42:19:686 EDT] 5d4abeff ValidatorPlug I org.apache.struts.validator.ValidatorPlugIn Loading validation rules file from '/WEB-INF/validation.xml' [8/31/04 11:42:20:139 EDT] 5d4abeff ServletInstan E SRVE0100E: Did not realize init() exception thrown by servlet action: javax.servlet.ServletException: java.lang.Boolean: method valueOf(Z)Ljava/lang/Boolean; not found at com.ibm.ws.webcontainer.servlet.StrictServletInstance.doInit(StrictServletIn stance.java:99) at com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet._init(StrictLifecycle Servlet.java:147) at com.ibm.ws.webcontainer.servlet.PreInitializedServletState.init(StrictLifecy cleServlet.java:270) at com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet.init(StrictLifecycleS ervlet.java:113) at com.ibm.ws.webcontainer.servlet.ServletInstance.init(ServletInstance.java:18 9) at javax.servlet.GenericServlet.init(GenericServlet.java:258) at com.ibm.ws.webcontainer.webapp.WebAppServletManager.addServlet(WebAppServlet Manager.java:870) at com.ibm.ws.webcontainer.webapp.WebAppServletManager.loadServlet(WebAppServle tManager.java:224) at com.ibm.ws.webcontainer.webapp.WebAppServletManager.getServletReference(WebA ppServletManager.java:455) at com.ibm.ws.webcontainer.webapp.WebApp.getServletReference(WebApp.java:646) at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcherInfo.calculateInfo(Web AppRequestDispatcherInfo.java:172) at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcherInfo.<init>(WebAppRequ estDispatcherInfo.java:59) at com.ibm.ws.webcontainer.webapp.WebApp.getRequestDispatcher(WebApp.java:1455) at com.ibm.ws.webcontainer.webapp.WebApp.getRequestDispatcher(WebApp.java:1414) at com.ibm.ws.webcontainer.srt.WebAppInvoker.handleInvocationHook(WebAppInvoker .java:197) at com.ibm.ws.webcontainer.cache.invocation.CachedInvocation.handleInvocation(C achedInvocation.java:71) at com.ibm.ws.webcontainer.srp.ServletRequestProcessor.dispatchByURI(ServletReq uestProcessor.java:182) at com.ibm.ws.webcontainer.oselistener.OSEListenerDispatcher.service(OSEListene r.java:334) at com.ibm.ws.webcontainer.http.HttpConnection.handleRequest(HttpConnection.jav a:56) at com.ibm.ws.http.HttpConnection.readAndHandleRequest(HttpConnection.java:610) at com.ibm.ws.http.HttpConnection.run(HttpConnection.java:431) at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:593) ---- Begin backtrace for Nested Throwables java.lang.NoSuchMethodError: java.lang.Boolean: method valueOf(Z)Ljava/lang/Boolean; not found at org.apache.struts.validator.ValidatorPlugIn.init(ValidatorPlugIn.java:169) at org.apache.struts.action.ActionServlet.initModulePlugIns(ActionServlet.java: 839) at org.apache.struts.action.ActionServlet.init(ActionServlet.java:332) at javax.servlet.GenericServlet.init(GenericServlet.java:258) at com.ibm.ws.webcontainer.servlet.StrictServletInstance.doInit(StrictServletIn stance.java:82) at com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet._init(StrictLifecycle Servlet.java:147) at com.ibm.ws.webcontainer.servlet.PreInitializedServletState.init(StrictLifecy cleServlet.java:270) at com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet.init(StrictLifecycleS ervlet.java:113) at com.ibm.ws.webcontainer.servlet.ServletInstance.init(ServletInstance.java:18 9) at javax.servlet.GenericServlet.init(GenericServlet.java:258) at com.ibm.ws.webcontainer.webapp.WebAppServletManager.addServlet(WebAppServlet Manager.java:870) at com.ibm.ws.webcontainer.webapp.WebAppServletManager.loadServlet(WebAppServle tManager.java:224) at com.ibm.ws.webcontainer.webapp.WebAppServletManager.getServletReference(WebA ppServletManager.java:455) at com.ibm.ws.webcontainer.webapp.WebApp.getServletReference(WebApp.java:646) at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcherInfo.calculateInfo(Web AppRequestDispatcherInfo.java:172) at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcherInfo.<init>(WebAppRequ estDispatcherInfo.java:59) at com.ibm.ws.webcontainer.webapp.WebApp.getRequestDispatcher(WebApp.java:1455) at com.ibm.ws.webcontainer.webapp.WebApp.getRequestDispatcher(WebApp.java:1414) at com.ibm.ws.webcontainer.srt.WebAppInvoker.handleInvocationHook(WebAppInvoker .java:197) at com.ibm.ws.webcontainer.cache.invocation.CachedInvocation.handleInvocation(C achedInvocation.java:71) at com.ibm.ws.webcontainer.srp.ServletRequestProcessor.dispatchByURI(ServletReq uestProcessor.java:182) at com.ibm.ws.webcontainer.oselistener.OSEListenerDispatcher.service(OSEListene r.java:334) at com.ibm.ws.webcontainer.http.HttpConnection.handleRequest(HttpConnection.jav a:56) at com.ibm.ws.http.HttpConnection.readAndHandleRequest(HttpConnection.java:610) at com.ibm.ws.http.HttpConnection.run(HttpConnection.java:431) at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:593) [8/31/04 11:42:20:170 EDT] 5d4abeff WebGroup E SRVE0020E: [Servlet Error]-[action]: Failed to load servlet: java.lang.NoSuchMethodError: java.lang.Boolean: method valueOf(Z)Ljava/lang/Boolean; not found at org.apache.struts.validator.ValidatorPlugIn.init(ValidatorPlugIn.java:169) at org.apache.struts.action.ActionServlet.initModulePlugIns(ActionServlet.java: 839) at org.apache.struts.action.ActionServlet.init(ActionServlet.java:332) at javax.servlet.GenericServlet.init(GenericServlet.java:258) at com.ibm.ws.webcontainer.servlet.StrictServletInstance.doInit(StrictServletIn stance.java:82) at com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet._init(StrictLifecycle Servlet.java:147) at com.ibm.ws.webcontainer.servlet.PreInitializedServletState.init(StrictLifecy cleServlet.java:270) at com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet.init(StrictLifecycleS ervlet.java:113) at com.ibm.ws.webcontainer.servlet.ServletInstance.init(ServletInstance.java:18 9) at javax.servlet.GenericServlet.init(GenericServlet.java:258) at com.ibm.ws.webcontainer.webapp.WebAppServletManager.addServlet(WebAppServlet Manager.java:870) at com.ibm.ws.webcontainer.webapp.WebAppServletManager.loadServlet(WebAppServle tManager.java:224) at com.ibm.ws.webcontainer.webapp.WebAppServletManager.getServletReference(WebA ppServletManager.java:455) at com.ibm.ws.webcontainer.webapp.WebApp.getServletReference(WebApp.java:646) at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcherInfo.calculateInfo(Web AppRequestDispatcherInfo.java:172) at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcherInfo.<init>(WebAppRequ estDispatcherInfo.java:59) at com.ibm.ws.webcontainer.webapp.WebApp.getRequestDispatcher(WebApp.java:1455) at com.ibm.ws.webcontainer.webapp.WebApp.getRequestDispatcher(WebApp.java:1414) at com.ibm.ws.webcontainer.srt.WebAppInvoker.handleInvocationHook(WebAppInvoker .java:197) at com.ibm.ws.webcontainer.cache.invocation.CachedInvocation.handleInvocation(C achedInvocation.java:71) at com.ibm.ws.webcontainer.srp.ServletRequestProcessor.dispatchByURI(ServletReq uestProcessor.java:182) at com.ibm.ws.webcontainer.oselistener.OSEListenerDispatcher.service(OSEListene r.java:334) at com.ibm.ws.webcontainer.http.HttpConnection.handleRequest(HttpConnection.jav a:56) at com.ibm.ws.http.HttpConnection.readAndHandleRequest(HttpConnection.java:610) at com.ibm.ws.http.HttpConnection.run(HttpConnection.java:431) at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:593) [8/31/04 11:42:20:405 EDT] 5d4abeff WebGroup E SRVE0026E: [Servlet Error]-[action]: java.lang.NoSuchMethodError: java.lang.Boolean: method valueOf(Z)Ljava/lang/Boolean; not found at org.apache.struts.validator.ValidatorPlugIn.init(ValidatorPlugIn.java:169) at org.apache.struts.action.ActionServlet.initModulePlugIns(ActionServlet.java: 839) at org.apache.struts.action.ActionServlet.init(ActionServlet.java:332) at javax.servlet.GenericServlet.init(GenericServlet.java:258) at com.ibm.ws.webcontainer.servlet.StrictServletInstance.doInit(StrictServletIn stance.java:82) at com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet._init(StrictLifecycle Servlet.java:147) at com.ibm.ws.webcontainer.servlet.PreInitializedServletState.init(StrictLifecy cleServlet.java:270) at com.ibm.ws.webcontainer.servlet.StrictLifecycleServlet.init(StrictLifecycleS ervlet.java:113) at com.ibm.ws.webcontainer.servlet.ServletInstance.init(ServletInstance.java:18 9) at javax.servlet.GenericServlet.init(GenericServlet.java:258) at com.ibm.ws.webcontainer.webapp.WebAppServletManager.addServlet(WebAppServlet Manager.java:870) at com.ibm.ws.webcontainer.webapp.WebAppServletManager.loadServlet(WebAppServle tManager.java:224) at com.ibm.ws.webcontainer.webapp.WebAppServletManager.getServletReference(WebA ppServletManager.java:455) at com.ibm.ws.webcontainer.webapp.WebApp.getServletReference(WebApp.java:646) at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcherInfo.calculateInfo(Web AppRequestDispatcherInfo.java:172) at com.ibm.ws.webcontainer.webapp.WebAppRequestDispatcherInfo.<init>(WebAppRequ estDispatcherInfo.java:59) at com.ibm.ws.webcontainer.webapp.WebApp.getRequestDispatcher(WebApp.java:1455) at com.ibm.ws.webcontainer.webapp.WebApp.getRequestDispatcher(WebApp.java:1414) at com.ibm.ws.webcontainer.srt.WebAppInvoker.handleInvocationHook(WebAppInvoker .java:197) at com.ibm.ws.webcontainer.cache.invocation.CachedInvocation.handleInvocation(C achedInvocation.java:71) at com.ibm.ws.webcontainer.srp.ServletRequestProcessor.dispatchByURI(ServletReq uestProcessor.java:182) at com.ibm.ws.webcontainer.oselistener.OSEListenerDispatcher.service(OSEListene r.java:334) at com.ibm.ws.webcontainer.http.HttpConnection.handleRequest(HttpConnection.jav a:56) at com.ibm.ws.http.HttpConnection.readAndHandleRequest(HttpConnection.java:610) at com.ibm.ws.http.HttpConnection.run(HttpConnection.java:431) at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:593) Thanks, -Andre Andre Mermegas Java Developer Muze Inc. 304 Hudson Street New York, NY 10013-1015 USA 212.824.0333