Bug 67716 [ProblemsView] Trying to sort in Problems View removes all items from view
Configure the problems view to display "selected resource and it children". Open a file with a couple of warnings. Sort by any of the columns in the table. All table items are removed and the view is displaying ZERO hits.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/views/markers/internal/MarkerView.java
if(busy){
        	preBusyMarkers = totalMarkers;
        }
        else{
        	if(totalMarkers != preBusyMarkers)
        		getProgressService().warnOfContentChange();
        }
        
    }
    
    /**
     * Create the UIJob used in the receiver for updates.
     *
     */
    private void createUIJob(){
    	uiJob = new WorkbenchJob(Messages.getString("MarkerView.refreshProgress")) { 
    		
    		public IStatus runInUIThread(IProgressMonitor monitor) {						
    			updateStatusMessage();
    			updateTitle();
    			return Status.OK_STATUS;
    		}
    	};
    	uiJob.setPriority(Job.INTERACTIVE);
		uiJob.setSystem(true);
    }
	
}