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java.lang.NullPointerException: 	at org.eclipse.search.internal.ui.util.ExtendedDialogWindow.aboutToStart(ExtendedDialogWindow.java:229)	at org.eclipse.search.internal.ui.util.ExtendedDialogWindow.run(ExtendedDialogWindow.java:194)	at org.jkiss.dbeaver.ui.search.metadata.SearchMetadataPage.createControl(SearchMetadataPage.java:282)	at org.eclipse.search.internal.ui.SearchDialog$9.run(SearchDialog.java:747)	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)	at org.eclipse.search.internal.ui.SearchDialog$8.run(SearchDialog.java:742)	at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)	at org.eclipse.search.internal.ui.SearchDialog.createPageControl(SearchDialog.java:740)	at org.eclipse.search.internal.ui.SearchDialog.createPageArea(SearchDialog.java:452)	at org.eclipse.search.internal.ui.util.ExtendedDialogWindow.createDialogArea(ExtendedDialogWindow.java:140)	at org.eclipse.jface.dialogs.Dialog.createContents(Dialog.java:768)	at org.eclipse.jface.window.Window.create(Window.java:430)	at org.eclipse.jface.dialogs.Dialog.create(Dialog.java:1096)	at org.eclipse.search.internal.ui.SearchDialog.create(SearchDialog.java:301)	at org.eclipse.jface.window.Window.open(Window.java:792)	at org.eclipse.search.internal.ui.OpenSearchDialogAction.run(OpenSearchDialogAction.java:54)	at org.eclipse.search.internal.ui.OpenSearchDialogAction.run(OpenSearchDialogAction.java:45)	at org.eclipse.search.internal.ui.OpenSearchDialogPageAction$SearchPageAction.run(OpenSearchDialogPageAction.java:144)	at org.eclipse.jface.action.Action.runWithEvent(Action.java:473)	at org.eclipse.jface.action.ActionContributionItem.handleWidgetSelection(ActionContributionItem.java:595)	at org.eclipse.jface.action.ActionContributionItem.access$2(ActionContributionItem.java:511)	at org.eclipse.jface.action.ActionContributionItem$5.handleEvent(ActionContributionItem.java:420)	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)	at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4481)	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1329)	at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:3819)	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3430)	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$4.run(PartRenderingEngine.java:1127)	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:337)	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1018)	at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:156)	at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:694)	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:337)	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:606)	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150)	at org.jkiss.dbeaver.core.application.DBeaverApplication.start(DBeaverApplication.java:203)	at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)	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:380)	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:235)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:606)	at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:669)	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:608)	at org.eclipse.equinox.launcher.Main.run(Main.java:1515)	at org.eclipse.equinox.launcher.Main.main(Main.java:1488)