Bug 73612 [Markers] "Open All" does not work with multi-select in the bookmarks view
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/views/markers/internal/ActionOpenMarker.java
CoreException nestedException = null;
                IStatus status = e.getStatus();
                if (status != null
                        && status.getException() instanceof CoreException) {
					nestedException = (CoreException) status.getException();
				}
                if (nestedException != null) {
                    
                    
                    ErrorDialog.openError(part.getSite().getShell(), 
                    		MarkerMessages.OpenMarker_errorTitle,
                            e.getMessage(), nestedException.getStatus());
                } else {
                    
                    
                    MessageDialog.openError(part.getSite().getShell(), 
                    		MarkerMessages.OpenMarker_errorTitle,
                            e.getMessage());
                }
            }
        }
    }
    /* (non-Javadoc)
     * @see org.eclipse.ui.actions.SelectionProviderAction#selectionChanged(org.eclipse.jface.viewers.IStructuredSelection)
     */
    public void selectionChanged(IStructuredSelection selection) {
        setEnabled(Util.isSingleConcreteSelection(selection));
    }
}