dubbo-cluster-extensions/dubbo-cluster-specify-address-dubbo2/src/main/java/org/apache/dubbo/rpc/cluster/specifyaddress/UserSpecifiedAddressRouter.java [171:206]:
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    private void throwException(Address address) {
        throw new RpcException("user specified server address : [" + address + "] is not a valid provider for service: ["
            + getUrl().getServiceKey() + "]");
    }


    private Map<String, Invoker<T>> processIp(List<Invoker<T>> invokerList) {
        Map<String, Invoker<T>> ip2Invoker = new HashMap<>();
        for (Invoker<T> invoker : invokerList) {
            ip2Invoker.put(invoker.getUrl().getHost(), invoker);
        }
        return Collections.unmodifiableMap(ip2Invoker);
    }

    private Map<String, Invoker<T>> processAddress(List<Invoker<T>> addresses) {
        Map<String, Invoker<T>> address2Invoker = new HashMap<>();
        for (Invoker<T> invoker : addresses) {
            address2Invoker.put(invoker.getUrl().getHost() + ":" + invoker.getUrl().getPort(), invoker);
        }
        return Collections.unmodifiableMap(address2Invoker);
    }

    // For ut only
    @Deprecated
    protected Map<String, Invoker<T>> getIp2Invoker() {
        return ip2Invoker;
    }

    // For ut only
    @Deprecated
    protected Map<String, Invoker<T>> getAddress2Invoker() {
        return address2Invoker;
    }

    // For ut only
    @Deprecated
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dubbo-cluster-extensions/dubbo-cluster-specify-address-dubbo3/src/main/java/org/apache/dubbo/rpc/cluster/specifyaddress/UserSpecifiedAddressRouter.java [234:268]:
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    private void throwException(Address address) {
        throw new RpcException("user specified server address : [" + address + "] is not a valid provider for service: ["
            + getUrl().getServiceKey() + "]");
    }

    private Map<String, Invoker<T>> processIp(List<Invoker<T>> invokerList) {
        Map<String, Invoker<T>> ip2Invoker = new HashMap<>();
        for (Invoker<T> invoker : invokerList) {
            ip2Invoker.put(invoker.getUrl().getHost(), invoker);
        }
        return Collections.unmodifiableMap(ip2Invoker);
    }

    private Map<String, Invoker<T>> processAddress(List<Invoker<T>> addresses) {
        Map<String, Invoker<T>> address2Invoker = new HashMap<>();
        for (Invoker<T> invoker : addresses) {
            address2Invoker.put(invoker.getUrl().getHost() + ":" + invoker.getUrl().getPort(), invoker);
        }
        return Collections.unmodifiableMap(address2Invoker);
    }

    // For ut only
    @Deprecated
    protected Map<String, Invoker<T>> getIp2Invoker() {
        return ip2Invoker;
    }

    // For ut only
    @Deprecated
    protected Map<String, Invoker<T>> getAddress2Invoker() {
        return address2Invoker;
    }

    // For ut only
    @Deprecated
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