Explorer: "SWTException: Widget is disposed" if I close, reopen explorer and refresh

ASSERT: make sure that you have a v3 connection in the explorer EXEC: close OpenShift explorer and reopen it EXEC: pick "Refresh" in the context menu of the connection Result: In the Eclipse log you'll find the following: org.eclipse.swt.SWTException: Widget is disposed at org.eclipse.swt.SWT.error(SWT.java:4491) at org.eclipse.swt.SWT.error(SWT.java:4406) at org.eclipse.swt.SWT.error(SWT.java:4377) at org.eclipse.swt.widgets.Widget.error(Widget.java:482) at org.eclipse.swt.widgets.Widget.getDisplay(Widget.java:568) at org.jboss.tools.openshift.internal.common.ui.explorer.BaseExplorerContentProvider.refreshViewer(BaseExplorerContentProvider.java:183) at org.jboss.tools.openshift.internal.common.ui.explorer.BaseExplorerContentProvider.handleConnectionChanged(BaseExplorerContentProvider.java:91) at org.jboss.tools.openshift.internal.ui.explorer.OpenShiftExplorerContentProvider.handleConnectionChanged(OpenShiftExplorerContentProvider.java:63) at org.jboss.tools.openshift.internal.common.ui.explorer.BaseExplorerContentProvider$ConnectionsRegistryListener.connectionChanged(BaseExplorerContentProvider.java:219) at org.jboss.tools.openshift.common.core.connection.ConnectionsRegistry.fireChange(ConnectionsRegistry.java:158) at org.jboss.tools.openshift.common.core.connection.ConnectionsRegistry.fireConnectionChanged(ConnectionsRegistry.java:116) at org.jboss.tools.openshift.common.core.connection.ConnectionsRegistry.fireConnectionChanged(ConnectionsRegistry.java:109) at org.jboss.tools.openshift.internal.ui.handler.RefreshResourceHandler$1.doRun(RefreshResourceHandler.java:76) at org.jboss.tools.openshift.internal.common.core.job.AbstractDelegatingMonitorJob.run(AbstractDelegatingMonitorJob.java:36) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)