Caused by: org.eclipse.swt.SWTException: Widget is disposed
at org.eclipse.swt.SWT.error(SWT.java:3563)
at org.eclipse.swt.SWT.error(SWT.java:3481)
at org.eclipse.swt.SWT.error(SWT.java:3452)
at org.eclipse.swt.widgets.Widget.error(Widget.java:432)
at org.eclipse.swt.widgets.Widget.checkWidget(Widget.java:325)
at org.eclipse.swt.widgets.Control.setEnabled(Control.java:2685)
at ncsa.analysis.ui.builders.ButtonBarBuilder.setButtonEnabledState(ButtonBarBuilder.java:57)
at ncsa.analysis.ui.builders.ButtonBarBuilder$MyObserver$1.run(ButtonBarBuilder.java:88)
at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)
at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:129)
... 28 more
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