Java 네트워크 연결 재시도 제한 문제를 해결하는 방법

<dependency>
    <groupId>com.squareup.okhttp3</groupId>
    <artifactId>okhttp</artifactId>
    <version>3.14.4</version>
</dependency>

public class RetryInterceptor implements Interceptor {

    private int retryCount;
    private int retryInterval;

    public RetryInterceptor(int retryCount, int retryInterval) {
        this.retryCount = retryCount;
        this.retryInterval = retryInterval;
    }

    @Override
    public Response intercept(Chain chain) throws IOException {
        Request request = chain.request();
        Response response = null;
        IOException lastException = null;

        for (int i = 0; i <= retryCount; i++) {
            try {
                response = chain.proceed(request);
                break;
            } catch (IOException e) {
                lastException = e;
                if (i < retryCount) {
                    try {
                        Thread.sleep(retryInterval);
                    } catch (InterruptedException ignored) {
                    }
                }
            }
        }

        if (response == null) {
            throw lastException;
        }

        return response;
    }
}

public class HttpClient {

    public static final OkHttpClient client;

    static {
        int retryCount = 3;
        int retryInterval = 1000;
        RetryInterceptor retryInterceptor = new RetryInterceptor(retryCount, retryInterval);

        client = new OkHttpClient.Builder()
                .addInterceptor(retryInterceptor)
                .build();
    }

    public static void main(String[] args) throws IOException {
        Request request = new Request.Builder()
                .url("http://www.example.com")
                .build();

        Response response = client.newCall(request).execute();

        System.out.println(response.body().string());
    }
}