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What steps will reproduce the problem? 1. 2. 3. -- Error Details -- Date: Sun Sep 20 19:34:42 IST 2020 Message: Unhandled event loop exception Severity: Error Product: Eclipse IDE 4.17.0.20200910-1200 (org.eclipse.epp.package.jee.product) Plugin: org.eclipse.ui.workbench Session Data: eclipse.buildId=4.17.0.I20200902-1800 java.version=14.0.2 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 Exception Stack Trace: java.lang.NoClassDefFoundError: org/eclipse/jdt/debug/ui/launchConfigurations/JavaJRETab at org.eclipse.m2e.ui.internal.launch.MavenLaunchConfigurationTabGroup.createTabs(MavenLaunchConfigurationTabGroup.java:36) at org.eclipse.debug.internal.ui.launchConfigurations.LaunchConfigurationTabGroupWrapper.createTabs(LaunchConfigurationTabGroupWrapper.java:133) at org.eclipse.debug.internal.ui.launchConfigurations.LaunchConfigurationTabGroupViewer.lambda$5(LaunchConfigurationTabGroupViewer.java:985) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:74) at org.eclipse.debug.internal.ui.launchConfigurations.LaunchConfigurationTabGroupViewer.createGroup(LaunchConfigurationTabGroupViewer.java:993) at org.eclipse.debug.internal.ui.launchConfigurations.LaunchConfigurationTabGroupViewer.showInstanceTabsFor(LaunchConfigurationTabGroupViewer.java:899) at org.eclipse.debug.internal.ui.launchConfigurations.LaunchConfigurationTabGroupViewer.displayInstanceTabs(LaunchConfigurationTabGroupViewer.java:848) at org.eclipse.debug.internal.ui.launchConfigurations.LaunchConfigurationTabGroupViewer.lambda$4(LaunchConfigurationTabGroupViewer.java:730) at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:74) at org.eclipse.debug.internal.ui.launchConfigurations.LaunchConfigurationTabGroupViewer.inputChanged(LaunchConfigurationTabGroupViewer.java:745) at org.eclipse.debug.internal.ui.launchConfigurations.LaunchConfigurationTabGroupViewer.setInput0(LaunchConfigurationTabGroupViewer.java:677) at org.eclipse.debug.internal.ui.launchConfigurations.LaunchConfigurationTabGroupViewer.setInput(LaunchConfigurationTabGroupViewer.java:657) at org.eclipse.debug.internal.ui.launchConfigurations.LaunchConfigurationPropertiesDialog.initializeContent(LaunchConfigurationPropertiesDialog.java:101) at org.eclipse.debug.internal.ui.launchConfigurations.LaunchConfigurationsDialog.createContents(LaunchConfigurationsDialog.java:471) at org.eclipse.jface.window.Window.create(Window.java:431) at org.eclipse.jface.dialogs.Dialog.create(Dialog.java:1094) at org.eclipse.debug.internal.ui.launchConfigurations.LaunchConfigurationsDialog.create(LaunchConfigurationsDialog.java:376) at org.eclipse.jface.window.Window.open(Window.java:788) at org.eclipse.debug.internal.ui.launchConfigurations.LaunchConfigurationsDialog.open(LaunchConfigurationsDialog.java:1232) at org.eclipse.debug.internal.ui.launchConfigurations.LaunchConfigurationPropertiesDialog.open(LaunchConfigurationPropertiesDialog.java:186) at org.eclipse.debug.ui.DebugUITools.openLaunchConfigurationDialog(DebugUITools.java:710) at org.eclipse.m2e.actions.ExecutePomAction.launch(ExecutePomAction.java:159) at org.eclipse.m2e.actions.ExecutePomAction.launch(ExecutePomAction.java:129) at org.eclipse.debug.internal.ui.launchConfigurations.LaunchShortcutExtension.launch(LaunchShortcutExtension.java:430) at org.eclipse.debug.internal.ui.actions.LaunchShortcutAction.runInternal(LaunchShortcutAction.java:88) at org.eclipse.debug.internal.ui.actions.LaunchShortcutAction.runWithEvent(LaunchShortcutAction.java:135) at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:579) at org.eclipse.jface.action.ActionContributionItem.lambda$4(ActionContributionItem.java:413) at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:89) at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4195) at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1037) at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:4012) at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3612) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$5.run(PartRenderingEngine.java:1157) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1046) at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:155) at org.eclipse.ui.internal.Workbench.lambda$3(Workbench.java:644) at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:338) at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:551) at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:153) at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:150) at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134) at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:564) at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) at org.eclipse.equinox.launcher.Main.run(Main.java:1465)
