Java CORBA 获取命名服务根对象引用报错

Question

在使用Corba 连接服务器时，有时能成功，有时不成功，在第四步，获取命名服务根对象引用时报错

使用的SpringBoot 程序，的定时器执行的

账号密码都对，也能ping通，求解答

private Integer initData(String userName, String passWord) {
        System.out.println("已经执行");
        try {
            String[] argv = {"-ORBInitRef", "NameService=corbaloc::" + NSIP + ":" + NSPort + "/NameService"};
            //The step 1: initialize ORB // 初始化成功
            //ORB object
            ORB orb = ORB.init(argv, null);
            System.out.println("The step 1: initialize ORB successfully!");

            //The step 2: get RootPOA // 成功获取 RootPOA！
            POA rootPOA = POAHelper.narrow(orb.resolve_initial_references("RootPOA"));
            rootPOA.the_POAManager().activate();
            System.out.println("The step 2: get RootPOA successfully!");

            //the step 3: construct dynamic any factory
            //步骤3：构建动态任意工厂
            DynAnyFactory dynAnyFactory = DynAnyFactoryHelper.narrow(orb.resolve_initial_references("DynAnyFactory"));
            System.out.println("the step 3: construct dynamic any factory." + (dynAnyFactory != null ? "successfully!" : "failed!"));

            //The step 4: get naming service root object reference
            //步骤4：获取命名服务根对象引用
            Object service = orb.resolve_initial_references("NameService");
            NamingContextExt nc = org.omg.CosNaming.NamingContextExtHelper.narrow(service);
            System.out.println("The step 4: get naming service root object refrence successfully!");

            //The step 5: get EmsSessionFactory_I object reference from naming service
            //步骤5：从命名服务获取EmsSessionFactory_I对象引用

            //construct EmsSessionFactory_I NameComponent,please get it's parameters from HuaWei
            //构造EmsSessionFactory_I NameComponent，请从HuaWei获取其参数
            NameComponent[] name = new NameComponent[5];
            name[0] = new NameComponent("TMF_MTNM", "Class");
            name[1] = new NameComponent("HUAWEI", "Vendor");
            name[2] = new NameComponent("Huawei/NCE", "EmsInstance");
            name[3] = new NameComponent("2.0", "Version");
            name[4] = new NameComponent("Huawei/NCE", "EmsSessionFactory_I");

            EmsSessionFactory_I EmsSessionFactory;
            try {
                EmsSessionFactory = EmsSessionFactory_IHelper.narrow(nc.resolve(name));
                System.out.println("步骤5：从命名服务成功获取EmsSessionFactory_I对象引用!");
            } catch (Exception ex) {
                System.out.println("第5步：从命名服务获取EmsSessionFactory_I对象引用失败！\n请确认NCE CORBA正在运行并核对EMS名称!");
                ex.printStackTrace();
                return 0;
            }

报错信息

.beans.factory.BeanCreationException: Error creating bean with name 'initializeConnection': Invocation of init method failed; nested exception is org.omg.CORBA.COMM_FAILURE:   vmcid: SUN  minor code: 203  completed: No

Answer 1

可能网络波动，可以添加个超时时间参数来延长请求超时