Wenn ich im AM3 die Page:
" Tools --> Einstellungen --> Rückmeldungen --> Personen "
öffnen will kommt folgende Störung / Meldung

eclipse.buildId=unknown
java.version=1.7.0_09
java.vendor=Oracle Corporation
BootLoader constants: OS=win32, ARCH=x86, WS=win32, NL=en_US
Command-line arguments: -os win32 -ws win32 -arch x86

Error
Mon Dec 29 13:49:47 CET 2014
Problems occurred when invoking code from plug-in: "org.eclipse.jface".

java.lang.NoClassDefFoundError: de/alamos/monitor/view/feedback/pref/FeedbackPersonPreferencesPage$TreeContentProvider
at de.alamos.monitor.view.feedback.pref.FeedbackPerso nPreferencesPage.createTreeView(FeedbackPersonPref erencesPage.java:258)
at de.alamos.monitor.view.feedback.pref.FeedbackPerso nPreferencesPage.createFieldEditors(FeedbackPerson PreferencesPage.java:86)
at org.eclipse.jface.preference.FieldEditorPreference Page.createContents(FieldEditorPreferencePage.java :227)
at org.eclipse.jface.preference.PreferencePage.create Control(PreferencePage.java:232)
at org.eclipse.jface.preference.PreferenceDialog.crea tePageControl(PreferenceDialog.java:1502)
at org.eclipse.jface.preference.PreferenceDialog$14.r un(PreferenceDialog.java:1259)
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(SafeRunnab le.java:175)
at org.eclipse.jface.preference.PreferenceDialog.show Page(PreferenceDialog.java:1253)
at org.eclipse.ui.internal.dialogs.FilteredPreference Dialog.showPage(FilteredPreferenceDialog.java:675)
at org.eclipse.jface.preference.PreferenceDialog$10.r un(PreferenceDialog.java:709)
at org.eclipse.swt.custom.BusyIndicator.showWhile(Bus yIndicator.java:70)
at org.eclipse.jface.preference.PreferenceDialog$9.se lectionChanged(PreferenceDialog.java:705)
at org.eclipse.jface.viewers.StructuredViewer$3.run(S tructuredViewer.java:888)
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(SafeRunnab le.java:175)
at org.eclipse.jface.viewers.StructuredViewer.firePos tSelectionChanged(StructuredViewer.java:886)
at org.eclipse.jface.viewers.StructuredViewer.handleP ostSelect(StructuredViewer.java:1226)
at org.eclipse.jface.viewers.StructuredViewer$5.widge tSelected(StructuredViewer.java:1251)
at org.eclipse.jface.util.OpenStrategy.firePostSelect ionEvent(OpenStrategy.java:262)
at org.eclipse.jface.util.OpenStrategy.access$5(OpenS trategy.java:256)
at org.eclipse.jface.util.OpenStrategy$3.run(OpenStra tegy.java:433)
at org.eclipse.swt.widgets.RunnableLock.run(RunnableL ock.java:35)
at org.eclipse.swt.widgets.Synchronizer.runAsyncMessa ges(Synchronizer.java:135)
at org.eclipse.swt.widgets.Display.runAsyncMessages(D isplay.java:4145)
at org.eclipse.swt.widgets.Display.readAndDispatch(Di splay.java:3762)
at org.eclipse.jface.window.Window.runEventLoop(Windo w.java:826)
at org.eclipse.jface.window.Window.open(Window.java:8 02)
at org.eclipse.ui.internal.dialogs.WorkbenchPreferenc eDialog.open(WorkbenchPreferenceDialog.java:215)
at org.eclipse.ui.internal.OpenPreferencesAction.run( OpenPreferencesAction.java:65)
at org.eclipse.jface.action.Action.runWithEvent(Actio n.java:499)
at org.eclipse.jface.action.ActionContributionItem.ha ndleWidgetSelection(ActionContributionItem.java:58 4)
at org.eclipse.jface.action.ActionContributionItem.ac cess$2(ActionContributionItem.java:501)
at org.eclipse.jface.action.ActionContributionItem$5. handleEvent(ActionContributionItem.java:411)
at org.eclipse.swt.widgets.EventTable.sendEvent(Event Table.java:84)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.ja va:1057)
at org.eclipse.swt.widgets.Display.runDeferredEvents( Display.java:4170)
at org.eclipse.swt.widgets.Display.readAndDispatch(Di splay.java:3759)
at org.eclipse.e4.ui.internal.workbench.swt.PartRende ringEngine$9.run(PartRenderingEngine.java:1113)
at org.eclipse.core.databinding.observable.Realm.runW ithDefault(Realm.java:332)
at org.eclipse.e4.ui.internal.workbench.swt.PartRende ringEngine.run(PartRenderingEngine.java:997)
at org.eclipse.e4.ui.internal.workbench.E4Workbench.c reateAndRunUI(E4Workbench.java:138)
at org.eclipse.ui.internal.Workbench$5.run(Workbench. java:610)
at org.eclipse.core.databinding.observable.Realm.runW ithDefault(Realm.java:332)
at org.eclipse.ui.internal.Workbench.createAndRunWork bench(Workbench.java:567)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(Pl atformUI.java:150)
at de.alamos.monitor.application.Application.start(Ap plication.java:24)
at org.eclipse.equinox.internal.app.EclipseAppHandle. run(EclipseAppHandle.java:196)
at org.eclipse.core.runtime.internal.adaptor.EclipseA ppLauncher.runApplication(EclipseAppLauncher.java: 110)
at org.eclipse.core.runtime.internal.adaptor.EclipseA ppLauncher.start(EclipseAppLauncher.java:79)
at org.eclipse.core.runtime.adaptor.EclipseStarter.ru n(EclipseStarter.java:354)
at org.eclipse.core.runtime.adaptor.EclipseStarter.ru n(EclipseStarter.java:181)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Nativ e Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknow n Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Un known Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.eclipse.equinox.launcher.Main.invokeFramework( Main.java:636)
at org.eclipse.equinox.launcher.Main.basicRun(Main.ja va:591)
at org.eclipse.equinox.launcher.Main.run(Main.java:14 50)