NullPointerException when editing faces-config.xml [message #660788] |
Mon, 21 March 2011 15:42 |
Dom Messages: 8 Registered: February 2011 |
Junior Member |
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Hello,
for the following reason I cannot follow the eclipse turioal "WTP Tutorials - JavaServer Faces Tools Tutorial" from June 15, 2009 by Raghu Srinivasan:
1.) Download of the library does not list any download provider => to continue I downloaded and added the libraries manually
2.) When creating the JSF Page the web page editor opens up - when adding the command button eclipse comes up with the below NullPointerException (see below "Problem 2") => to continue I edited the file (login.jsp) manually
3.) When trying to create the managed bean as stated in the tutorial after entering the data in the "New Managed Bean Wizard" again a NullPointerException appeared (see below "Problem 3").
How can I solve those issues? Is it a user error? What is the cause of these problems?
Regards,
Dom
#############
# Problem 2 #
#############
eclipse.buildId=M20110210-1200
java.version=1.6.0_16
java.vendor=Sun Microsystems Inc.
BootLoader constants: OS=win32, ARCH=x86, WS=win32, NL=de_DE
Framework arguments: -product org.eclipse.epp.package.jee.product
Command-line arguments: -os win32 -ws win32 -arch x86 -product org.eclipse.epp.package.jee.product
Error
Mon Mar 21 16:31:15 CET 2011
Problems occurred when invoking code from plug-in: "org.eclipse.ui.views.properties.tabbed".
java.lang.NullPointerException
at org.eclipse.jst.jee.model.internal.common.AbstractMergedModelProvider.getLastModificationTimeOfDDFile(AbstractMergedModelProvider.java:235)
at org.eclipse.jst.jee.model.internal.common.AbstractMergedModelProvider.hasToReloadModel(AbstractMergedModelProvider.java:229)
at org.eclipse.jst.jee.model.internal.common.AbstractMergedModelProvider.loadProviders(AbstractMergedModelProvider.java:256)
at org.eclipse.jst.jee.model.internal.common.AbstractMergedModelProvider.access$2(AbstractMergedModelProvider.java:255)
at org.eclipse.jst.jee.model.internal.common.AbstractMergedModelProvider$LoadModelsWorkspaceRunnable.run(AbstractMergedModelProvider.java:278)
at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:1975)
at org.eclipse.jst.jee.model.internal.common.AbstractMergedModelProvider.loadModel(AbstractMergedModelProvider.java:249)
at org.eclipse.jst.jee.model.internal.common.AbstractMergedModelProvider.getMergedModel(AbstractMergedModelProvider.java:219)
at org.eclipse.jst.jee.model.internal.common.AbstractMergedModelProvider.getModelObject(AbstractMergedModelProvider.java:139)
at org.eclipse.jst.jsf.core.jsfappconfig.JSFAppConfigUtils.getConfigFilesFromContextParam(JSFAppConfigUtils.java:217)
at org.eclipse.jst.jsf.core.jsfappconfig.ContextParamSpecifiedJSFAppConfigLocater.getFilenames(ContextParamSpecifiedJSFAppConfigLocater.java:165)
at org.eclipse.jst.jsf.core.jsfappconfig.WebContentRelativeJSFAppConfigLocater.locateProviders(WebContentRelativeJSFAppConfigLocater.java:46)
at org.eclipse.jst.jsf.core.jsfappconfig.ContextParamSpecifiedJSFAppConfigLocater.startLocating(ContextParamSpecifiedJSFAppConfigLocater.java:48)
at org.eclipse.jst.jsf.core.jsfappconfig.internal.AbstractJSFAppConfigManager.startConfigLocaters(AbstractJSFAppConfigManager.java:135)
at org.eclipse.jst.jsf.core.jsfappconfig.internal.AbstractJSFAppConfigManager.initialize(AbstractJSFAppConfigManager.java:114)
at org.eclipse.jst.jsf.core.jsfappconfig.internal.AbstractJSFAppConfigManager.<init>(AbstractJSFAppConfigManager.java:90)
at org.eclipse.jst.jsf.core.jsfappconfig.JSFAppConfigManager.<init>(JSFAppConfigManager.java:40)
at org.eclipse.jst.jsf.core.jsfappconfig.JSFAppConfigManager.<init>(JSFAppConfigManager.java:39)
at org.eclipse.jst.jsf.core.jsfappconfig.JSFAppConfigManager$JSFAppConfigManagerFactory.createNewInstance(JSFAppConfigManager.java:163)
at org.eclipse.jst.jsf.core.jsfappconfig.JSFAppConfigManager$JSFAppConfigManagerFactory.createNewInstance(JSFAppConfigManager.java:1)
at org.eclipse.jst.jsf.common.internal.resource.ResourceSingletonObjectManager.getInstance(ResourceSingletonObjectManager.java:90)
at org.eclipse.jst.jsf.core.jsfappconfig.JSFAppConfigManager.getInstance(JSFAppConfigManager.java:53)
at org.eclipse.jst.jsf.core.jsfappconfig.internal.DefaultJSFAppConfigManagerProviderStrategy$DefaultProvider.getInstance(DefaultJSFAppConfigManagerProviderStrategy.java:23)
at org.eclipse.jst.jsf.core.jsfappconfig.internal.JSFAppConfigManagerFactory.createNewInstance(JSFAppConfigManagerFactory.java:60)
at org.eclipse.jst.jsf.core.jsfappconfig.internal.JSFAppConfigManagerFactory.createNewInstance(JSFAppConfigManagerFactory.java:1)
at org.eclipse.jst.jsf.common.internal.resource.ResourceSingletonObjectManager.getInstance(ResourceSingletonObjectManager.java:90)
at org.eclipse.jst.jsf.core.jsfappconfig.internal.JSFAppConfigManagerFactory.getJSFAppConfigManagerInstance(JSFAppConfigManagerFactory.java:41)
at org.eclipse.jst.jsf.taglibprocessing.attributevalues.ActionType.getPossibleValues(ActionType.java:134)
at org.eclipse.jst.pagedesigner.properties.celleditors.CellEditorFactory.createDialogField(CellEditorFactory.java:215)
at org.eclipse.jst.pagedesigner.meta.internal.CellEditorFactoryRegistry.createDialogField(CellEditorFactoryRegistry.java:132)
at org.eclipse.jst.pagedesigner.meta.DefaultEditorCreator.createDialogField(DefaultEditorCreator.java:253)
at org.eclipse.jst.pagedesigner.meta.DefaultEditorCreator.createDialogFieldWithWrapper(DefaultEditorCreator.java:211)
at org.eclipse.jst.pagedesigner.editors.properties.internal.PropertyDescriptor.getDialogFieldEditor(PropertyDescriptor.java:121)
at org.eclipse.jst.pagedesigner.properties.internal.AttributeGroup.initialize(AttributeGroup.java:205)
at org.eclipse.jst.pagedesigner.properties.internal.AttributeGroup.getNumColumns(AttributeGroup.java:354)
at org.eclipse.jst.pagedesigner.properties.internal.AttributeGroup.layoutDialogFields(AttributeGroup.java:323)
at org.eclipse.jst.pagedesigner.properties.internal.AttributeGroupSection.createControls(AttributeGroupSection.java:92)
at org.eclipse.jst.pagedesigner.properties.internal.QuickEditTabSection.setInput(QuickEditTabSection.java:77)
at org.eclipse.ui.views.properties.tabbed.TabContents$5.run(TabContents.java:181)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:49)
at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:175)
at org.eclipse.ui.views.properties.tabbed.TabContents.setInput(TabContents.java:184)
at org.eclipse.ui.views.properties.tabbed.TabbedPropertySheetPage$SelectionChangedListener.selectionChanged(TabbedPropertySheetPage.java:212)
at org.eclipse.jface.viewers.Viewer$2.run(Viewer.java:162)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:49)
at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:175)
at org.eclipse.jface.viewers.Viewer.fireSelectionChanged(Viewer.java:160)
at org.eclipse.jface.viewers.StructuredViewer.updateSelection(StructuredViewer.java:2162)
at org.eclipse.jface.viewers.StructuredViewer.setSelection(StructuredViewer.java:1699)
at org.eclipse.jface.viewers.Viewer.setSelection(Viewer.java:392)
at org.eclipse.ui.views.properties.tabbed.TabbedPropertySheetPage.setInput(TabbedPropertySheetPage.java:736)
at org.eclipse.ui.views.properties.tabbed.TabbedPropertySheetPage.selectionChanged(TabbedPropertySheetPage.java:555)
at org.eclipse.jst.pagedesigner.properties.WPETabbedPropertySheetPage.selectionChanged(WPETabbedPropertySheetPage.java:74)
at org.eclipse.jst.pagedesigner.properties.WPETabbedPropertySheetPage$1.selectionChanged(WPETabbedPropertySheetPage.java:125)
at org.eclipse.ui.internal.AbstractSelectionService.firePostSelection(AbstractSelectionService.java:179)
at org.eclipse.ui.internal.AbstractSelectionService$2.selectionChanged(AbstractSelectionService.java:71)
at org.eclipse.ui.part.MultiPageSelectionProvider$1.run(MultiPageSelectionProvider.java:110)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.ui.part.MultiPageSelectionProvider.fireEventChange(MultiPageSelectionProvider.java:108)
at org.eclipse.ui.part.MultiPageSelectionProvider.firePostSelectionChanged(MultiPageSelectionProvider.java:102)
at org.eclipse.ui.part.MultiPageEditorSite.handlePostSelectionChanged(MultiPageEditorSite.java:428)
at org.eclipse.ui.part.MultiPageEditorSite$3.selectionChanged(MultiPageEditorSite.java:340)
at org.eclipse.jst.pagedesigner.ui.common.sash.SashEditorSelectionProvider$2.run(SashEditorSelectionProvider.java:150)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:49)
at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:175)
at org.eclipse.jst.pagedesigner.ui.common.sash.SashEditorSelectionProvider.firePostSelectionChanged(SashEditorSelectionProvider.java:148)
at org.eclipse.jst.pagedesigner.ui.common.sash.SashEditorPart$4.selectionChanged(SashEditorPart.java:135)
at org.eclipse.wst.sse.ui.StructuredTextEditor$4.run(StructuredTextEditor.java:590)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.wst.sse.ui.StructuredTextEditor$StructuredSelectionProvider.fireSelectionChanged(StructuredTextEditor.java:588)
at org.eclipse.wst.sse.ui.StructuredTextEditor$StructuredSelectionProvider.handlePostSelectionChanged(StructuredTextEditor.java:669)
at org.eclipse.wst.sse.ui.StructuredTextEditor$3.selectionChanged(StructuredTextEditor.java:562)
at org.eclipse.jface.text.TextViewer.firePostSelectionChanged(TextViewer.java:2745)
at org.eclipse.jface.text.TextViewer.firePostSelectionChanged(TextViewer.java:2693)
at org.eclipse.jface.text.TextViewer$5.run(TextViewer.java:2672)
at org.eclipse.swt.widgets.Display.runTimer(Display.java:4167)
at org.eclipse.swt.widgets.Display.messageProc(Display.java:3256)
at org.eclipse.swt.internal.win32.OS.DispatchMessageW(Native Method)
at org.eclipse.swt.internal.win32.OS.DispatchMessage(OS.java:2459)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3655)
at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2640)
at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2604)
at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2438)
at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:671)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:664)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:115)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:369)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179)
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 org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:620)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:575)
at org.eclipse.equinox.launcher.Main.run(Main.java:1408)
#############
# Problem 3 #
#############
eclipse.buildId=M20110210-1200
java.version=1.6.0_16
java.vendor=Sun Microsystems Inc.
BootLoader constants: OS=win32, ARCH=x86, WS=win32, NL=de_DE
Framework arguments: -product org.eclipse.epp.package.jee.product
Command-line arguments: -os win32 -ws win32 -arch x86 -product org.eclipse.epp.package.jee.product
Error
Mon Mar 21 16:35:36 CET 2011
Unhandled event loop exception
java.lang.NullPointerException
at org.eclipse.jst.jee.model.internal.common.AbstractMergedModelProvider.getLastModificationTimeOfDDFile(AbstractMergedModelProvider.java:235)
at org.eclipse.jst.jee.model.internal.common.AbstractMergedModelProvider.hasToReloadModel(AbstractMergedModelProvider.java:229)
at org.eclipse.jst.jee.model.internal.common.AbstractMergedModelProvider.loadProviders(AbstractMergedModelProvider.java:256)
at org.eclipse.jst.jee.model.internal.common.AbstractMergedModelProvider.access$2(AbstractMergedModelProvider.java:255)
at org.eclipse.jst.jee.model.internal.common.AbstractMergedModelProvider$LoadModelsWorkspaceRunnable.run(AbstractMergedModelProvider.java:278)
at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:1975)
at org.eclipse.jst.jee.model.internal.common.AbstractMergedModelProvider.loadModel(AbstractMergedModelProvider.java:249)
at org.eclipse.jst.jee.model.internal.common.AbstractMergedModelProvider.getMergedModel(AbstractMergedModelProvider.java:219)
at org.eclipse.jst.jee.model.internal.common.AbstractMergedModelProvider.getModelObject(AbstractMergedModelProvider.java:139)
at org.eclipse.jst.jsf.core.jsfappconfig.JSFAppConfigUtils.getConfigFilesFromContextParam(JSFAppConfigUtils.java:217)
at org.eclipse.jst.jsf.core.jsfappconfig.ContextParamSpecifiedJSFAppConfigLocater.getFilenames(ContextParamSpecifiedJSFAppConfigLocater.java:165)
at org.eclipse.jst.jsf.core.jsfappconfig.WebContentRelativeJSFAppConfigLocater.locateProviders(WebContentRelativeJSFAppConfigLocater.java:46)
at org.eclipse.jst.jsf.core.jsfappconfig.ContextParamSpecifiedJSFAppConfigLocater.startLocating(ContextParamSpecifiedJSFAppConfigLocater.java:48)
at org.eclipse.jst.jsf.core.jsfappconfig.internal.AbstractJSFAppConfigManager.startConfigLocaters(AbstractJSFAppConfigManager.java:135)
at org.eclipse.jst.jsf.core.jsfappconfig.internal.AbstractJSFAppConfigManager.initialize(AbstractJSFAppConfigManager.java:114)
at org.eclipse.jst.jsf.core.jsfappconfig.internal.AbstractJSFAppConfigManager.<init>(AbstractJSFAppConfigManager.java:90)
at org.eclipse.jst.jsf.core.jsfappconfig.JSFAppConfigManager.<init>(JSFAppConfigManager.java:40)
at org.eclipse.jst.jsf.core.jsfappconfig.JSFAppConfigManager.<init>(JSFAppConfigManager.java:39)
at org.eclipse.jst.jsf.core.jsfappconfig.JSFAppConfigManager$JSFAppConfigManagerFactory.createNewInstance(JSFAppConfigManager.java:163)
at org.eclipse.jst.jsf.core.jsfappconfig.JSFAppConfigManager$JSFAppConfigManagerFactory.createNewInstance(JSFAppConfigManager.java:1)
at org.eclipse.jst.jsf.common.internal.resource.ResourceSingletonObjectManager.getInstance(ResourceSingletonObjectManager.java:90)
at org.eclipse.jst.jsf.core.jsfappconfig.JSFAppConfigManager.getInstance(JSFAppConfigManager.java:53)
at org.eclipse.jst.jsf.core.jsfappconfig.internal.DefaultJSFAppConfigManagerProviderStrategy$DefaultProvider.getInstance(DefaultJSFAppConfigManagerProviderStrategy.java:23)
at org.eclipse.jst.jsf.core.jsfappconfig.internal.JSFAppConfigManagerFactory.createNewInstance(JSFAppConfigManagerFactory.java:60)
at org.eclipse.jst.jsf.core.jsfappconfig.internal.JSFAppConfigManagerFactory.createNewInstance(JSFAppConfigManagerFactory.java:1)
at org.eclipse.jst.jsf.common.internal.resource.ResourceSingletonObjectManager.getInstance(ResourceSingletonObjectManager.java:90)
at org.eclipse.jst.jsf.core.jsfappconfig.internal.JSFAppConfigManagerFactory.getJSFAppConfigManagerInstance(JSFAppConfigManagerFactory.java:41)
at org.eclipse.jst.jsf.facesconfig.ui.util.ManagedBeanUtil.isBeanDuplicate(ManagedBeanUtil.java:41)
at org.eclipse.jst.jsf.facesconfig.ui.util.ManagedBeanUtil.getDefaultManagedBeanName(ManagedBeanUtil.java:77)
at org.eclipse.jst.jsf.facesconfig.ui.wizard.ManagedBeanPropertyPage.initialize(ManagedBeanPropertyPage.java:244)
at org.eclipse.jst.jsf.facesconfig.ui.wizard.ManagedBeanPropertyPage.setPreviousPage(ManagedBeanPropertyPage.java:217)
at org.eclipse.jface.wizard.WizardDialog.showPage(WizardDialog.java:1191)
at org.eclipse.jface.wizard.WizardDialog.nextPressed(WizardDialog.java:894)
at org.eclipse.jface.wizard.WizardDialog.buttonPressed(WizardDialog.java:426)
at org.eclipse.jface.dialogs.Dialog$2.widgetSelected(Dialog.java:624)
at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:234)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1053)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4066)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3657)
at org.eclipse.jface.window.Window.runEventLoop(Window.java:825)
at org.eclipse.jface.window.Window.open(Window.java:801)
at org.eclipse.jst.jsf.facesconfig.ui.section.ManagedBeanMasterSection.addButtonSelected(ManagedBeanMasterSection.java:123)
at org.eclipse.jst.jsf.facesconfig.ui.section.FacesConfigMasterSection$1.widgetSelected(FacesConfigMasterSection.java:155)
at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:234)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1053)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4066)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3657)
at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2640)
at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2604)
at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2438)
at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:671)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:664)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:115)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:369)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179)
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 org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:620)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:575)
at org.eclipse.equinox.launcher.Main.run(Main.java:1408)
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