[e4] Widget is disposed

[laeubi]

org.eclipse.swt.SWTException: Widget is disposed
	at org.eclipse.swt.SWT.error(SWT.java:4918)
	at org.eclipse.swt.SWT.error(SWT.java:4833)
	at org.eclipse.swt.SWT.error(SWT.java:4804)
	at org.eclipse.swt.widgets.Widget.error(Widget.java:565)
	at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:480)
	at org.eclipse.swt.custom.CTabItem.setControl(CTabItem.java:331)
	at org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer.showTab(StackRenderer.java:1365)
	at org.eclipse.e4.ui.workbench.renderers.swt.LazyStackRenderer.lambda$0(LazyStackRenderer.java:85)
	at org.eclipse.e4.ui.services.internal.events.UIEventHandler.lambda$0(UIEventHandler.java:38)
	at org.eclipse.swt.widgets.Synchronizer.syncExec(Synchronizer.java:183)
	at org.eclipse.swt.widgets.Display.syncExec(Display.java:5960)
	at org.eclipse.e4.ui.workbench.swt.DisplayUISynchronize.syncExec(DisplayUISynchronize.java:34)
	at org.eclipse.e4.ui.services.internal.events.UIEventHandler.handleEvent(UIEventHandler.java:38)
	at org.eclipse.equinox.internal.event.EventHandlerWrapper.handleEvent(EventHandlerWrapper.java:205)
	at org.eclipse.equinox.internal.event.EventHandlerTracker.dispatchEvent(EventHandlerTracker.java:203)

[laeubi]

This seems to happen when one hides a part in the @PostContruct method.

[Jeevan2000]

I am also facing the same issue, did you got the solution for these.