Java 网络接口不';我没有任何接口地址

Java 网络接口不';我没有任何接口地址,java,applet,Java,Applet,在我的小程序中,我用 Enumeration<NetworkInterface> systemInterfacesE = NetworkInterface.getNetworkInterfaces(); List<NetworkInterface> systemInterfaces = new ArrayList<NetworkInterface>(); while (systemInterfacesE.hasMoreElements

在我的小程序中,我用

    Enumeration<NetworkInterface> systemInterfacesE = NetworkInterface.getNetworkInterfaces();
    List<NetworkInterface> systemInterfaces = new ArrayList<NetworkInterface>();

    while (systemInterfacesE.hasMoreElements()) {
        NetworkInterface systemInterface = systemInterfacesE.nextElement();
        if (!systemInterface.isLoopback() && systemInterface.isUp() && systemInterface.getInterfaceAddresses().size() > 0) {
            systemInterfaces.add(systemInterface);
        }
    }
枚举systemInterfacesE=NetworkInterface.getNetworkInterfaces(); List systemInterfaces=new ArrayList(); while(systemInterfacesE.hasMoreElements()){ NetworkInterface systemInterface=systemInterfacesE.nextElement(); 如果(!systemInterface.isLoopback()&&systemInterface.isUp()&&systemInterface.getInterfaceAddresses().size()>0){ systemInterfaces.add(systemInterface); } } 当我从Eclipse运行它时,列表包含我的以太网接口,但当我在HTML中运行applet时,列表是空的。这是因为systemInterface中没有任何InterfaceAddress

我怎样才能解决这个问题

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