Каждый день, когда я запускаю Eclipse, я получаю следующую ошибку:
Произошла ошибка. Подробнее смотрите в журнале ошибок.
Ошибка при уведомлении слушателя изменения предпочтений. Проверьте журнал для деталей.
Ошибка при уведомлении слушателя изменения предпочтений. Проверьте журнал для деталей.
java.lang.NullPointerException
Есть идеи, что это вызывает?
Когда я перезапускаю Eclipse, я больше не получаю ошибку, но всякий раз, когда я получаю эту ошибку, я должен перекомпилировать свою базу кода. Это может или не может быть связано. Вроде как, но пока не знаю.
РЕДАКТИРОВАТЬ 1:
Вот два подраздела журналов ошибок от \workspace\.metadata\.log:
Начало журнала:
!SESSION 2011-11-30 10:22:09.734 -----------------------------------------------
eclipse.buildId=I20110613-1736
java.version=1.7.0
java.vendor=Oracle Corporation
BootLoader constants: OS=win32, ARCH=x86_64, WS=win32, NL=en_US
Framework arguments: -product org.eclipse.epp.package.jee.product
Command-line arguments: -os win32 -ws win32 -arch x86_64 -product org.eclipse.epp.package.jee.product
!ENTRY org.eclipse.osgi 2 0 2011-11-30 10:24:59.186
!MESSAGE While loading class "org.eclipse.m2e.jdt.internal.MavenClasspathVariableInitializer", thread "Thread[main,6,main]" timed out waiting (5007ms) for thread "Thread[org.eclipse.jdt.internal.ui.text.JavaReconciler,1,main]" to finish starting bundle "org.eclipse.m2e.jdt_1.0.100.20110804-1717 [491]". To avoid deadlock, thread "Thread[main,6,main]" is proceeding but "org.eclipse.m2e.jdt.internal.MavenClasspathVariableInitializer" may not be fully initialized.
!STACK 0
org.osgi.framework.BundleException: State change in progress for bundle "reference:file:plugins/org.eclipse.m2e.jdt_1.0.100.20110804-1717.jar" by thread "org.eclipse.jdt.internal.ui.text.JavaReconciler".
at org.eclipse.osgi.framework.internal.core.AbstractBundle.beginStateChange(AbstractBundle.java:1087)
at org.eclipse.osgi.framework.internal.core.AbstractBundle.start(AbstractBundle.java:297)
at org.eclipse.osgi.framework.util.SecureAction.start(SecureAction.java:440)
at org.eclipse.osgi.internal.loader.BundleLoader.setLazyTrigger(BundleLoader.java:268)
at org.eclipse.core.runtime.internal.adaptor.EclipseLazyStarter.postFindLocalClass(EclipseLazyStarter.java:107)
at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findLocalClass(ClasspathManager.java:462)
at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.findLocalClass(DefaultClassLoader.java:216)
at org.eclipse.osgi.internal.loader.BundleLoader.findLocalClass(BundleLoader.java:400)
at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:476)
at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:429)
at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:417)
at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:107)
at java.lang.ClassLoader.loadClass(Unknown Source)
at org.eclipse.osgi.internal.loader.BundleLoader.loadClass(BundleLoader.java:345)
at org.eclipse.osgi.framework.internal.core.BundleHost.loadClass(BundleHost.java:229)
at org.eclipse.osgi.framework.internal.core.AbstractBundle.loadClass(AbstractBundle.java:1207)
at org.eclipse.core.internal.registry.osgi.RegistryStrategyOSGI.createExecutableExtension(RegistryStrategyOSGI.java:174)
at org.eclipse.core.internal.registry.ExtensionRegistry.createExecutableExtension(ExtensionRegistry.java:905)
at org.eclipse.core.internal.registry.ConfigurationElement.createExecutableExtension(ConfigurationElement.java:243)
at org.eclipse.core.internal.registry.ConfigurationElementHandle.createExecutableExtension(ConfigurationElementHandle.java:55)
at org.eclipse.jdt.core.JavaCore.getClasspathVariableInitializer(JavaCore.java:3034)
at org.eclipse.jdt.core.JavaCore.getClasspathVariable(JavaCore.java:2897)
at org.eclipse.jdt.internal.core.JavaModelManager.getResolvedVariablePath(JavaModelManager.java:2549)
at org.eclipse.jdt.internal.core.JavaModelManager.resolveVariableEntry(JavaModelManager.java:2469)
at org.eclipse.jdt.internal.core.JavaProject.resolveClasspath(JavaProject.java:2645)
at org.eclipse.jdt.internal.core.JavaProject.resolveClasspath(JavaProject.java:2838)
at org.eclipse.jdt.internal.core.JavaProject.getResolvedClasspath(JavaProject.java:1943)
at org.eclipse.jdt.internal.core.JavaProject.buildStructure(JavaProject.java:461)
at org.eclipse.jdt.internal.core.Openable.generateInfos(Openable.java:258)
at org.eclipse.jdt.internal.core.Openable.openAncestors(Openable.java:504)
at org.eclipse.jdt.internal.core.Openable.generateInfos(Openable.java:240)
at org.eclipse.jdt.internal.core.JavaElement.openWhenClosed(JavaElement.java:518)
at org.eclipse.jdt.internal.core.JavaElement.getElementInfo(JavaElement.java:255)
at org.eclipse.jdt.internal.core.JavaElement.getElementInfo(JavaElement.java:241)
at org.eclipse.jdt.internal.core.PackageFragmentRoot.getKind(PackageFragmentRoot.java:477)
at org.eclipse.jdt.internal.core.PackageFragment.getKind(PackageFragment.java:290)
at org.eclipse.jdt.internal.core.PackageFragment.validateExistence(PackageFragment.java:506)
at org.eclipse.jdt.internal.core.Openable.exists(Openable.java:206)
at org.eclipse.jdt.internal.core.PackageFragment.exists(PackageFragment.java:174)
at org.eclipse.jdt.ui.StandardJavaElementContentProvider.exists(StandardJavaElementContentProvider.java:451)
at org.eclipse.jdt.ui.StandardJavaElementContentProvider.getParent(StandardJavaElementContentProvider.java:249)
at org.eclipse.jdt.internal.ui.javaeditor.JavaEditorBreadcrumb$JavaEditorBreadcrumbContentProvider.getParent(JavaEditorBreadcrumb.java:333)
at org.eclipse.jdt.internal.ui.javaeditor.breadcrumb.BreadcrumbViewer.buildItemChain(BreadcrumbViewer.java:608)
at org.eclipse.jdt.internal.ui.javaeditor.breadcrumb.BreadcrumbViewer.buildItemChain(BreadcrumbViewer.java:610)
at org.eclipse.jdt.internal.ui.javaeditor.breadcrumb.BreadcrumbViewer.inputChanged(BreadcrumbViewer.java:306)
at org.eclipse.jface.viewers.ContentViewer.setInput(ContentViewer.java:280)
at org.eclipse.jface.viewers.StructuredViewer.setInput(StructuredViewer.java:1690)
at org.eclipse.jdt.internal.ui.javaeditor.breadcrumb.EditorBreadcrumb.setInput(EditorBreadcrumb.java:169)
at org.eclipse.jdt.internal.ui.javaeditor.JavaEditorBreadcrumb.setInput(JavaEditorBreadcrumb.java:788)
at org.eclipse.jdt.internal.ui.javaeditor.JavaEditor.setBreadcrumbInput(JavaEditor.java:2007)
at org.eclipse.jdt.internal.ui.javaeditor.JavaEditor.showBreadcrumb(JavaEditor.java:1981)
at org.eclipse.jdt.internal.ui.javaeditor.JavaEditor.handlePreferenceStoreChanged(JavaEditor.java:2883)
at org.eclipse.jdt.internal.ui.javaeditor.CompilationUnitEditor.handlePreferenceStoreChanged(CompilationUnitEditor.java:1620)
at org.eclipse.ui.texteditor.AbstractTextEditor$PropertyChangeListener.propertyChange(AbstractTextEditor.java:710)
at org.eclipse.ui.texteditor.ChainedPreferenceStore.firePropertyChangeEvent(ChainedPreferenceStore.java:164)
at org.eclipse.ui.texteditor.ChainedPreferenceStore.handlePropertyChangeEvent(ChainedPreferenceStore.java:431)
at org.eclipse.ui.texteditor.ChainedPreferenceStore.access$0(ChainedPreferenceStore.java:408)
at org.eclipse.ui.texteditor.ChainedPreferenceStore$PropertyChangeListener.propertyChange(ChainedPreferenceStore.java:69)
at org.eclipse.ui.preferences.ScopedPreferenceStore$3.run(ScopedPreferenceStore.java:375)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.ui.preferences.ScopedPreferenceStore.firePropertyChangeEvent(ScopedPreferenceStore.java:372)
at org.eclipse.jdt.internal.ui.javaeditor.ToggleBreadcrumbAction.perspectiveActivated(ToggleBreadcrumbAction.java:135)
at org.eclipse.ui.internal.PerspectiveListenerList$1.run(PerspectiveListenerList.java:74)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.core.runtime.Platform.run(Platform.java:888)
at org.eclipse.ui.internal.PerspectiveListenerList.fireEvent(PerspectiveListenerList.java:58)
at org.eclipse.ui.internal.PerspectiveListenerList.firePerspectiveActivated(PerspectiveListenerList.java:72)
at org.eclipse.ui.internal.WorkbenchWindow.firePerspectiveActivated(WorkbenchWindow.java:1450)
at org.eclipse.ui.internal.WorkbenchPage$18.runWithException(WorkbenchPage.java:3350)
at org.eclipse.ui.internal.StartupThreading$StartupRunnable.run(StartupThreading.java:31)
at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)
at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:135)
at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4140)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3757)
at org.eclipse.ui.application.WorkbenchAdvisor.openWindows(WorkbenchAdvisor.java:803)
at org.eclipse.ui.internal.Workbench$33.runWithException(Workbench.java:1595)
at org.eclipse.ui.internal.StartupThreading$StartupRunnable.run(StartupThreading.java:31)
at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)
at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:135)
at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4140)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3757)
at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2604)
at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2494)
at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:674)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:667)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:123)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:344)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:622)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:577)
at org.eclipse.equinox.launcher.Main.run(Main.java:1410)
at org.eclipse.equinox.launcher.Main.main(Main.java:1386)
Caused by: org.eclipse.osgi.framework.internal.core.AbstractBundle$BundleStatusException
... 101 more
РЕДАКТИРОВАТЬ 3:
Раздел журнала java.lang.NullPointerException:
!ENTRY org.eclipse.ui.workbench 4 2 2011-11-30 11:24:25.757
!MESSAGE Problems occurred when invoking code from plug-in: "org.eclipse.ui.workbench".
!STACK 0
java.lang.NullPointerException
at org.eclipse.m2e.jdt.internal.MavenClasspathVariableInitializer.initialize(MavenClasspathVariableInitializer.java:30)
at org.eclipse.jdt.core.JavaCore.getClasspathVariable(JavaCore.java:2908)
at org.eclipse.jdt.internal.core.JavaModelManager.getResolvedVariablePath(JavaModelManager.java:2549)
at org.eclipse.jdt.internal.core.JavaModelManager.resolveVariableEntry(JavaModelManager.java:2469)
at org.eclipse.jdt.internal.core.JavaProject.resolveClasspath(JavaProject.java:2645)
at org.eclipse.jdt.internal.core.JavaProject.resolveClasspath(JavaProject.java:2838)
at org.eclipse.jdt.internal.core.JavaProject.getResolvedClasspath(JavaProject.java:1943)
at org.eclipse.jdt.internal.core.JavaProject.buildStructure(JavaProject.java:461)
at org.eclipse.jdt.internal.core.Openable.generateInfos(Openable.java:258)
at org.eclipse.jdt.internal.core.Openable.openAncestors(Openable.java:504)
at org.eclipse.jdt.internal.core.Openable.generateInfos(Openable.java:240)
at org.eclipse.jdt.internal.core.JavaElement.openWhenClosed(JavaElement.java:518)
at org.eclipse.jdt.internal.core.JavaElement.getElementInfo(JavaElement.java:255)
at org.eclipse.jdt.internal.core.JavaElement.getElementInfo(JavaElement.java:241)
at org.eclipse.jdt.internal.core.PackageFragmentRoot.getKind(PackageFragmentRoot.java:477)
at org.eclipse.jdt.internal.core.PackageFragment.getKind(PackageFragment.java:290)
at org.eclipse.jdt.internal.core.PackageFragment.validateExistence(PackageFragment.java:506)
at org.eclipse.jdt.internal.core.Openable.exists(Openable.java:206)
at org.eclipse.jdt.internal.core.PackageFragment.exists(PackageFragment.java:174)
at org.eclipse.jdt.ui.StandardJavaElementContentProvider.exists(StandardJavaElementContentProvider.java:451)
at org.eclipse.jdt.ui.StandardJavaElementContentProvider.getParent(StandardJavaElementContentProvider.java:249)
at org.eclipse.jdt.internal.ui.javaeditor.JavaEditorBreadcrumb$JavaEditorBreadcrumbContentProvider.getParent(JavaEditorBreadcrumb.java:333)
at org.eclipse.jdt.internal.ui.javaeditor.breadcrumb.BreadcrumbViewer.buildItemChain(BreadcrumbViewer.java:608)
at org.eclipse.jdt.internal.ui.javaeditor.breadcrumb.BreadcrumbViewer.buildItemChain(BreadcrumbViewer.java:610)
at org.eclipse.jdt.internal.ui.javaeditor.breadcrumb.BreadcrumbViewer.inputChanged(BreadcrumbViewer.java:306)
at org.eclipse.jface.viewers.ContentViewer.setInput(ContentViewer.java:280)
at org.eclipse.jface.viewers.StructuredViewer.setInput(StructuredViewer.java:1690)
at org.eclipse.jdt.internal.ui.javaeditor.breadcrumb.EditorBreadcrumb.setInput(EditorBreadcrumb.java:169)
at org.eclipse.jdt.internal.ui.javaeditor.JavaEditorBreadcrumb.setInput(JavaEditorBreadcrumb.java:788)
at org.eclipse.jdt.internal.ui.javaeditor.JavaEditor.setBreadcrumbInput(JavaEditor.java:2007)
at org.eclipse.jdt.internal.ui.javaeditor.JavaEditor.showBreadcrumb(JavaEditor.java:1981)
at org.eclipse.jdt.internal.ui.javaeditor.JavaEditor.handlePreferenceStoreChanged(JavaEditor.java:2883)
at org.eclipse.jdt.internal.ui.javaeditor.CompilationUnitEditor.handlePreferenceStoreChanged(CompilationUnitEditor.java:1620)
at org.eclipse.ui.texteditor.AbstractTextEditor$PropertyChangeListener.propertyChange(AbstractTextEditor.java:710)
at org.eclipse.ui.texteditor.ChainedPreferenceStore.firePropertyChangeEvent(ChainedPreferenceStore.java:164)
at org.eclipse.ui.texteditor.ChainedPreferenceStore.handlePropertyChangeEvent(ChainedPreferenceStore.java:431)
at org.eclipse.ui.texteditor.ChainedPreferenceStore.access$0(ChainedPreferenceStore.java:408)
at org.eclipse.ui.texteditor.ChainedPreferenceStore$PropertyChangeListener.propertyChange(ChainedPreferenceStore.java:69)
at org.eclipse.ui.preferences.ScopedPreferenceStore$3.run(ScopedPreferenceStore.java:375)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.ui.preferences.ScopedPreferenceStore.firePropertyChangeEvent(ScopedPreferenceStore.java:372)
at org.eclipse.jdt.internal.ui.javaeditor.ToggleBreadcrumbAction.perspectiveActivated(ToggleBreadcrumbAction.java:135)
at org.eclipse.ui.internal.PerspectiveListenerList$1.run(PerspectiveListenerList.java:74)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.core.runtime.Platform.run(Platform.java:888)
at org.eclipse.ui.internal.PerspectiveListenerList.fireEvent(PerspectiveListenerList.java:58)
at org.eclipse.ui.internal.PerspectiveListenerList.firePerspectiveActivated(PerspectiveListenerList.java:72)
at org.eclipse.ui.internal.WorkbenchWindow.firePerspectiveActivated(WorkbenchWindow.java:1450)
at org.eclipse.ui.internal.WorkbenchPage$18.runWithException(WorkbenchPage.java:3350)
at org.eclipse.ui.internal.StartupThreading$StartupRunnable.run(StartupThreading.java:31)
at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)
at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:135)
at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4140)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3757)
at org.eclipse.ui.application.WorkbenchAdvisor.openWindows(WorkbenchAdvisor.java:803)
at org.eclipse.ui.internal.Workbench$33.runWithException(Workbench.java:1595)
at org.eclipse.ui.internal.StartupThreading$StartupRunnable.run(StartupThreading.java:31)
at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)
at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:135)
at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4140)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3757)
at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2604)
at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2494)
at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:674)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:667)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:123)
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:344)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:622)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:577)
at org.eclipse.equinox.launcher.Main.run(Main.java:1410)
at org.eclipse.equinox.launcher.Main.main(Main.java:1386)
РЕДАКТИРОВАТЬ 2:
Я подтвердил, что эта ошибка появляется только при перезагрузке. Когда я перезапускаю Eclipse, он не появляется. Или, если я запускаю Eclipse после перезагрузки с очень чистым рабочим пространством (без крупных проектов), которое не вызывает ошибку, а затем открываю свой основной проект, ошибка не появляется. Однако ошибка все еще происходит в журналах.
РЕДАКТИРОВАТЬ 4:
Версия программного обеспечения:
- Версия Eclipse: Indigo Release Build id: 20110615-0604
- Maven версия: 3.0.3
РЕДАКТИРОВАТЬ 5:
Я думал, что поделюсь своим решением взлома этой проблемы,
единственное, что заставляет мой проект работать, когда возникает эта ошибка,
который должен очистить все проекты в Eclipse и автоматически перекомпилировать его.
Я также должен 1058 * с Maven. И это заставляет мой проект снова работать.
РЕДАКТИРОВАТЬ 6:
Я заметил, что если я выключаю Eclipse и загружаю Eclipse с другим (гораздо более упрощенным) рабочим пространством (которое я использую для тестирования кода Java), это не создает эту ошибку. Затем, если я закрою этот экземпляр Eclipse и снова загрузлю Eclipse с моим основным проектом, ошибка исчезнет. Я буду продолжать делать заметки по этому вопросу, чтобы попытаться выяснить, связано ли это с моим основным проектом или нет.