Application launching error

Former Member · ‎10-18-2010

Dear Experts

I write an application in Netweaver Developer Studio as (Mobile) Handheld application. I created the "mobile ui component" and simply create an component and edit the default view. and then create the application. after build it and followed by deploy the application.

I launch the mobile application, create the user in mobile and login, then click on the "myapplication" icon, then following error occured

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java.lang.ClassNotFoundException: com.sap.demo.demo_ui.democomponent.demoapp2.DemoApp2App

at java.net.URLClassLoader$1.run(URLClassLoader.java:200)

at java.security.AccessController.doPrivileged(Native Method)

at java.net.URLClassLoader.findClass(URLClassLoader.java:188)

at java.lang.ClassLoader.loadClass(ClassLoader.java:307)

at java.lang.ClassLoader.loadClass(ClassLoader.java:252)

at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320)

at java.lang.Class.forName0(Native Method)

at java.lang.Class.forName(Class.java:247)

at com.sap.tc.mobile.wdlite.progmodel.core.Application.launch(Application.java:165)

at com.sap.tc.mobile.wdlite.progmodel.core.Application.launch(Application.java:210)

at com.sap.tc.mobile.wdlite.progmodel.core.WDLite.launchApplication(WDLite.java:387)

at com.sap.tc.mobile.wdlite.container.ContainerApp.startApp(ContainerApp.java:155)

at com.sap.tc.mobile.wdlite.container.AppMenuView.onActionLaunchApp(AppMenuView.java:327)

at com.sap.tc.mobile.wdlite.container.AppMenuView.invokeEventHandler(AppMenuView.java:370)

at com.sap.tc.mobile.wdlite.progmodel.core.AbstractViewElement.doHandleEvent(AbstractViewElement.java:208)

at com.sap.tc.mobile.wdlite.renderer.api.UIElement.doHandleEvent(UIElement.java:415)

at com.sap.tc.mobile.wdlite.renderer.api.UIImageButton.mouseReleased(UIImageButton.java:148)

at com.sap.tc.mobile.wdlite.renderer.api.UIElement.dispatchMouseReleasedWidgetEvent(UIElement.java:461)

at com.sap.tc.mobile.wdlite.renderer.api.UIElement$1.mouseReleased(UIElement.java:504)

at com.sap.tc.mobile.wdlite.renderer.swt.MouseEventDispatcher.mouseUp(SWTControl.java:366)

at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:137)

at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66)

at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:928)

at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3348)

at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:2968)

at com.sap.tc.mobile.wdlite.renderer.swt.container.WorkingArea.refresh(WorkingArea.java:192)

at com.sap.tc.mobile.wdlite.renderer.api.RenderingManager.refresh(RenderingManager.java:233)

at com.sap.tc.mobile.wdlite.progmodel.core.Application.refresh(Application.java:285)

at com.sap.tc.mobile.wdlite.progmodel.core.Application.navigate(Application.java:593)

at com.sap.tc.mobile.wdlite.progmodel.core.Application.enter(Application.java:278)

at com.sap.tc.mobile.wdlite.progmodel.core.Application.setCurrent(Application.java:130)

at com.sap.tc.mobile.wdlite.progmodel.core.Application.launch(Application.java:174)

at com.sap.tc.mobile.wdlite.progmodel.core.Application.launch(Application.java:210)

at com.sap.tc.mobile.wdlite.progmodel.core.WDLite.launchApplication(WDLite.java:387)

at com.sap.tc.mobile.wdlite.framework.Start.runOnContext(Start.java:585)

at com.sap.tc.mobile.wdlite.framework.Start.startApplication(Start.java:609)

at com.sap.tc.mobile.wdlite.framework.Start.startContainer(Start.java:646)

at com.sap.tc.mobile.cfs.framework.spi.FrameworkManager.startContainer(FrameworkManager.java:259)

at com.sap.tc.mobile.cfs.init.FrameworkInitializer.init(FrameworkInitializer.java:230)

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)

at java.lang.reflect.Method.invoke(Method.java:597)

at com.sap.tc.mobile.cfs.startup.pda.Startup.main(Unknown Source)

java.lang.NullPointerException

at com.sap.tc.mobile.wdlite.renderer.swt.container.WorkingArea.getTableFocusHeight(WorkingArea.java:302)

at com.sap.tc.mobile.wdlite.renderer.swt.container.WorkingArea.setFocusedSelection(WorkingArea.java:268)

at com.sap.tc.mobile.wdlite.renderer.swt.container.WorkingArea.access$100(WorkingArea.java:53)

at com.sap.tc.mobile.wdlite.renderer.swt.container.WorkingArea$2.handleEvent(WorkingArea.java:89)

at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:66)

at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:928)

at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:952)

at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:933)

at org.eclipse.swt.widgets.Control.WM_SIZE(Control.java:3880)

at org.eclipse.swt.widgets.Scrollable.WM_SIZE(Scrollable.java:333)

at org.eclipse.swt.widgets.Composite.WM_SIZE(Composite.java:1375)

at org.eclipse.swt.widgets.Control.windowProc(Control.java:3317)

at org.eclipse.swt.widgets.Display.windowProc(Display.java:4025)

at org.eclipse.swt.internal.win32.OS.DefWindowProcW(Native Method)

at org.eclipse.swt.internal.win32.OS.DefWindowProc(OS.java:1920)

at org.eclipse.swt.widgets.Scrollable.callWindowProc(Scrollable.java:77)

at org.eclipse.swt.widgets.Control.windowProc(Control.java:3334)

at org.eclipse.swt.widgets.Display.windowProc(Display.java:4025)

at org.eclipse.swt.internal.win32.OS.SetWindowPos(Native Method)

at org.eclipse.swt.widgets.Widget.SetWindowPos(Widget.java:1225)

at org.eclipse.swt.widgets.Control.setBounds(Control.java:2133)

at org.eclipse.swt.widgets.Control.setBounds(Control.java:2115)

at org.eclipse.swt.widgets.Control.setBounds(Control.java:2111)

at com.sap.tc.mobile.wdlite.renderer.swt.container.WorkingArea.setBoundary(WorkingArea.java:110)

at com.sap.tc.mobile.wdlite.renderer.swt.container.ContainerFrame.adjustSize(ContainerFrame.java:116)

at com.sap.tc.mobile.wdlite.renderer.swt.container.ContainerFrame.adjustSize(ContainerFrame.java:120)

at com.sap.tc.mobile.wdlite.renderer.swt.container.StatusBar.showMessage(StatusBar.java:133)

at com.sap.tc.mobile.wdlite.renderer.api.RenderingManager.showStatusMessage(RenderingManager.java:255)

at com.sap.tc.mobile.wdlite.progmodel.core.WDLite.showStatusMessage(WDLite.java:158)

at com.sap.tc.mobile.wdlite.container.LogonView.doLogin(LogonView.java:372)

at com.sap.tc.mobile.wdlite.container.LogonView.onActionLogin(LogonView.java:190)

at com.sap.tc.mobile.wdlite.container.LogonView.invokeEventHandler(LogonView.java:244)

at com.sap.tc.mobile.wdlite.progmodel.core.viewelement.MenuItemViewElement.doHandleEvent(MenuItemViewElement.java:46)

at com.sap.tc.mobile.wdlite.renderer.swt.container.MenuItem.notifyOnAction(MenuBar.java:390)

at com.sap.tc.mobile.wdlite.renderer.swt.container.MenuItem$1.widgetSelected(MenuBar.java:377)

at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:90)