public List<Map<String, String>> execute() {
final Paths paths = new Paths(openejbWarDir);
final Installer installer = new Installer(paths);
final List<Map<String, String>> result = new ArrayList<Map<String, String>>();
if (org.apache.tomee.installer.Status.NONE.equals(installer.getStatus())) {
paths.reset();
installer.reset();
paths.setCatalinaHomeDir(this.catalinaHome);
paths.setCatalinaBaseDir(this.catalinaBase);
paths.setServerXmlFile(this.serverXmlFile);
if (paths.verify()) {