This is the produced stacktrace:

org.eclipse.swt.SWTException: Widget is disposed
at org.eclipse.swt.SWT.error(SWT.java:4441)
at org.eclipse.swt.SWT.error(SWT.java:4356)
at org.eclipse.swt.SWT.error(SWT.java:4327)
at org.eclipse.swt.widgets.Widget.error(Widget.java:783)
at org.eclipse.swt.widgets.Widget.getDisplay(Widget.java:903)
at org.hibernate.eclipse.console.views.KnownConfigurationsProvider.refreshTree(KnownConfigurationsProvider.java:91)
at org.hibernate.eclipse.console.views.KnownConfigurationsProvider.access$0(KnownConfigurationsProvider.java:85)
at org.hibernate.eclipse.console.views.KnownConfigurationsProvider$KnownConfigurationsVisitor.visit(KnownConfigurationsProvider.java:163)
at org.eclipse.core.internal.events.ResourceDelta.accept(ResourceDelta.java:69)
at org.eclipse.core.internal.events.ResourceDelta.accept(ResourceDelta.java:80)
at org.eclipse.core.internal.events.ResourceDelta.accept(ResourceDelta.java:49)
at org.hibernate.eclipse.console.views.KnownConfigurationsProvider.resourceChanged(KnownConfigurationsProvider.java:141)
at org.eclipse.core.internal.events.NotificationManager$1.run(NotificationManager.java:291)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.core.internal.events.NotificationManager.notify(NotificationManager.java:285)
at org.eclipse.core.internal.events.NotificationManager.broadcastChanges(NotificationManager.java:149)
at org.eclipse.core.internal.resources.Workspace.broadcastPostChange(Workspace.java:378)
at org.eclipse.core.internal.resources.Workspace.endOperation(Workspace.java:1498)
at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2322)
at org.eclipse.wst.common.project.facet.ui.ModifyFacetedProjectWizard$4.run(ModifyFacetedProjectWizard.java:345)
at org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:122)