Sì, ci avevo pensato anch'io...infatti inizialmente utilizzavo solo page="inputnumber.jsp". In quel caso però il risultato è questo:
...che non so se è meglio o peggio, ma sicuramente non mi basta per capire dov'è l'errore...codice:org.apache.jasper.JasperException: An exception occurred processing JSP page /welcomeJSF.jsp at line 15 12: <f:view> 13: <html> 14: <body> 15: <jsp:forward page="inputnumber.jsp" /> 16: </body> 17: </html> 18: </f:view> Stacktrace: org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:553) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:442) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:333) javax.servlet.http.HttpServlet.service(HttpServlet.java:722) org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:393) com.sun.faces.context.ExternalContextImpl.dispatch(ExternalContextImpl.java:408) com.sun.faces.application.ViewHandlerImpl.executePageToBuildView(ViewHandlerImpl.java:442) com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:115) com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:106) com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:251) com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:144) javax.faces.webapp.FacesServlet.service(FacesServlet.java:245) org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:393) root cause org.apache.jasper.JasperException: javax.servlet.ServletException: javax.servlet.jsp.JspException: java.lang.IllegalStateException org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:534) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:442) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:333) javax.servlet.http.HttpServlet.service(HttpServlet.java:722) org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:393) org.apache.jasper.runtime.PageContextImpl.doForward(PageContextImpl.java:745) org.apache.jasper.runtime.PageContextImpl.forward(PageContextImpl.java:716) org.apache.jsp.welcomeJSF_jsp._jspx_meth_f_005fview_005f0(welcomeJSF_jsp.java:106) org.apache.jsp.welcomeJSF_jsp._jspService(welcomeJSF_jsp.java:67) org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) javax.servlet.http.HttpServlet.service(HttpServlet.java:722) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:419) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:333) javax.servlet.http.HttpServlet.service(HttpServlet.java:722) org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:393) com.sun.faces.context.ExternalContextImpl.dispatch(ExternalContextImpl.java:408) com.sun.faces.application.ViewHandlerImpl.executePageToBuildView(ViewHandlerImpl.java:442) com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:115) com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:106) com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:251) com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:144) javax.faces.webapp.FacesServlet.service(FacesServlet.java:245) org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:393) root cause javax.servlet.ServletException: javax.servlet.jsp.JspException: java.lang.IllegalStateException org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:907) org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:840) org.apache.jsp.inputnumber_jsp._jspService(inputnumber_jsp.java:79) org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) javax.servlet.http.HttpServlet.service(HttpServlet.java:722) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:419) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:333) javax.servlet.http.HttpServlet.service(HttpServlet.java:722) org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:393) org.apache.jasper.runtime.PageContextImpl.doForward(PageContextImpl.java:745) org.apache.jasper.runtime.PageContextImpl.forward(PageContextImpl.java:716) org.apache.jsp.welcomeJSF_jsp._jspx_meth_f_005fview_005f0(welcomeJSF_jsp.java:106) org.apache.jsp.welcomeJSF_jsp._jspService(welcomeJSF_jsp.java:67) org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) javax.servlet.http.HttpServlet.service(HttpServlet.java:722) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:419) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:333) javax.servlet.http.HttpServlet.service(HttpServlet.java:722) org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:393) com.sun.faces.context.ExternalContextImpl.dispatch(ExternalContextImpl.java:408) com.sun.faces.application.ViewHandlerImpl.executePageToBuildView(ViewHandlerImpl.java:442) com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:115) com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:106) com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:251) com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:144) javax.faces.webapp.FacesServlet.service(FacesServlet.java:245) org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:393) root cause java.lang.IllegalStateException com.sun.faces.taglib.jsf_core.ViewTag.getComponentType(ViewTag.java:278) javax.faces.webapp.UIComponentELTag.createComponent(UIComponentELTag.java:215) javax.faces.webapp.UIComponentClassicTagBase.createChild(UIComponentClassicTagBase.java:476) javax.faces.webapp.UIComponentClassicTagBase.findComponent(UIComponentClassicTagBase.java:660) javax.faces.webapp.UIComponentClassicTagBase.doStartTag(UIComponentClassicTagBase.java:1126) com.sun.faces.taglib.jsf_core.ViewTag.doStartTag(ViewTag.java:183) org.apache.jsp.inputnumber_jsp._jspx_meth_f_005fview_005f0(inputnumber_jsp.java:96) org.apache.jsp.inputnumber_jsp._jspService(inputnumber_jsp.java:71) org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) javax.servlet.http.HttpServlet.service(HttpServlet.java:722) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:419) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:333) javax.servlet.http.HttpServlet.service(HttpServlet.java:722) org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:393) org.apache.jasper.runtime.PageContextImpl.doForward(PageContextImpl.java:745) org.apache.jasper.runtime.PageContextImpl.forward(PageContextImpl.java:716) org.apache.jsp.welcomeJSF_jsp._jspx_meth_f_005fview_005f0(welcomeJSF_jsp.java:106) org.apache.jsp.welcomeJSF_jsp._jspService(welcomeJSF_jsp.java:67) org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) javax.servlet.http.HttpServlet.service(HttpServlet.java:722) org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:419) org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390) org.apache.jasper.servlet.JspServlet.service(JspServlet.java:333) javax.servlet.http.HttpServlet.service(HttpServlet.java:722) org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:393) com.sun.faces.context.ExternalContextImpl.dispatch(ExternalContextImpl.java:408) com.sun.faces.application.ViewHandlerImpl.executePageToBuildView(ViewHandlerImpl.java:442) com.sun.faces.application.ViewHandlerImpl.renderView(ViewHandlerImpl.java:115) com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:106) com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:251) com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:144) javax.faces.webapp.FacesServlet.service(FacesServlet.java:245) org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:393)
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