Bug 296456 [Import/Export] File -> Import filesystem w/cyclical symbolic folder links causes OOME
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/wizards/datatransfer/WizardFileSystemResourceImportPage1.java
.openError(getContainer().getShell(), DataTransferMessages.FileImport_importProblems,
                            null, 
                            status);
            return false;
        }
        return true;
    }
    /**
     *	The Finish button was pressed.  Try to do the required work now and answer
     *	a boolean indicating success.  If false is returned then the wizard will
     *	not close.
     *
     * @return boolean
     */
    public boolean finish() {
        if (!ensureSourceIsValid()) {
			return false;
		}
        saveWidgetValues();
        Iterator resourcesEnum = getSelectedResources().iterator();
        List fileSystemObjects = new ArrayList();
        while (resourcesEnum.hasNext()) {
            fileSystemObjects.add(((FileSystemElement) resourcesEnum.next())
                    .getFileSystemObject());
        }
        if (fileSystemObjects.size() > 0) {
			return importResources(fileSystemObjects);
		}
        MessageDialog.openInformation(getContainer().getShell(),
                DataTransferMessages.DataTransfer_information,