@WebService(…)
public class ScriptService {
    public static AdminService asrv = null;
    public static AdminServiceSoap soap = null;
    
    @PostConstruct
    public void init() {
        …….
        String adminServiceWSDL = null;
        synchronized(this) {
            try {
                 if( soap == null ) {
                    adminServiceWSDL = Configuration.GetRootParameter("adminServiceWSDL");
                    // ===================== виснет здесь: ============================
                    asrv = new AdminService(new URL(adminServiceWSDL));
                    soap = asrv.getAdminServiceSoap();
                    Logger.getLogger(ScriptService.class.getName()).log(Level.INFO, "ScriptService.init() complete for URL='" + adminServiceWSDL + "'");
                 }
             } catch (MalformedURLException ex) {
                Logger.getLogger(ScriptService.class.getName()).log(Level.SEVERE, null, ex);
                Logger.getLogger(ScriptService.class.getName()).log(Level.SEVERE, "Service.init() adminServiceWSDL endpoint problem for URL='" +  adminServiceWSDL + "'");
            } catch(Exception ex2) {
                Logger.getLogger(ScriptService.class.getName()).log(Level.SEVERE, null, ex2);
            }
        }
    }

    @WebMethod
    public int SomeMethod() {
        if( soap == null ) {
             return -1;
        }
        soap.AdminServiceMethod(…);
    }

@WebService(…)
public class ScriptService {
    private static AdminService asrv = null;
    private static AdminServiceSoap soap = null;
    
    @PostConstruct
    public void init() {
        …….
    }

    private void initsoap()
        String adminServiceWSDL = null;
        synchronized(this) {
            try {
                 if( soap == null ) {
                    adminServiceWSDL = Configuration.GetRootParameter("adminServiceWSDL");
                    // ===================== виснет здесь: ============================
                    asrv = new AdminService(new URL(adminServiceWSDL));
                    soap = asrv.getAdminServiceSoap();
                    Logger.getLogger(ScriptService.class.getName()).log(Level.INFO, "initsoap() complete for URL='" + adminServiceWSDL + "'");
                 }
             } catch (MalformedURLException ex) {
                Logger.getLogger(ScriptService.class.getName()).log(Level.SEVERE, null, ex);
                Logger.getLogger(ScriptService.class.getName()).log(Level.SEVERE, "initsoap() adminServiceWSDL endpoint problem for URL='" +  adminServiceWSDL + "'");
            } catch(Exception ex2) {
                Logger.getLogger(ScriptService.class.getName()).log(Level.SEVERE, null, ex2);
            }
        }
    }

    @WebMethod
    public int SomeMethod() {
        initsoap();
        if( soap == null ) {
             return -1;
        }