栏目分类:
子分类:
返回
名师互学网用户登录
快速导航关闭
当前搜索
当前分类
子分类
实用工具
热门搜索
名师互学网 > IT > 软件开发 > 后端开发 > Java

HttpClient 踩坑

Java 更新时间: 发布时间: IT归档 最新发布 模块sitemap 名妆网 法律咨询 聚返吧 英语巴士网 伯小乐 网商动力

HttpClient 踩坑

项目场景:

请求老接口,还要带上账号、密码,一番考察觉得采用httpClient工具来搞


问题描述:

跑起来后调用一次接口没问题,再加了条数据就会卡在哪里阻塞,设置了超时时间也不行,每次都是第二个请求阻塞。


原因分析:

看到网上说有关JDK的BUG,添加了代码也不行,如(Java HttpClient execute 永久阻塞问题)想到是不是第一个请求没释放资源导致的,加了abort就可以了


解决方案:

import static java.util.stream.Collectors.toList;

import java.io.IOException;
import java.util.Calendar;
import java.util.stream.Stream;

import javax.validation.constraints.NotNull;

import org.apache.http.HttpResponse;
import org.apache.http.auth.AuthScope;
import org.apache.http.auth.UsernamePasswordCredentials;
import org.apache.http.client.CredentialsProvider;
import org.apache.http.client.HttpClient;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.methods.HttpPut;
import org.apache.http.config.SocketConfig;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.BasicCredentialsProvider;
import org.apache.http.impl.client.HttpClientBuilder;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.springframework.util.StringUtils;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;


import lombok.extern.slf4j.Slf4j;

@Slf4j
@Component
public class DigestHttpClientUtil {

    private static Configs configs;

    @Autowired
    public void init(Configs configs) {
        DigestHttpClientUtil.configs = configs;
    }

    public static String host = "http://xxxx:8080";

    public static HttpClient digestHttpClient = digestHttpClient("111", "pass", null, null);

    public static void updateUser() {
        String userId = "test002";
        HttpPut httpPut = new HttpPut(host + "/xxx/" + userId);
       
        try {
            httpPut.setHeader("Accept", "application/json");
            httpPut.setHeader("Content-Type", "application/json");
            httpPut.setEntity(new StringEntity(JSON.toJSONString(bo), "UTF-8"));
            HttpResponse response = digestHttpClient.execute(httpPut);
            System.out.println(response.getStatusLine().getStatusCode());
        } catch (Exception e) {
            e.printStackTrace();
        }  finally {
            httpPut.abort();  //重点
        }
    }

    public static HttpClient digestHttpClient(@NotNull String username, @NotNull String password, String host,
        Integer port) {
        CredentialsProvider credentialsProvider = new BasicCredentialsProvider();
        credentialsProvider.setCredentials(new AuthScope(StringUtils.isEmpty(host) ? AuthScope.ANY_HOST : host,
            port == null ? AuthScope.ANY_PORT : port), new UsernamePasswordCredentials(username, password));
        HttpClientBuilder cb = HttpClients.custom().setDefaultRequestConfig(
            RequestConfig.custom().setConnectTimeout(60 * 1000).setSocketTimeout(60 * 1000).build());
        SocketConfig socketConfig = SocketConfig.custom().setSoTimeout(5000).build();
        cb.setDefaultSocketConfig(socketConfig);
        HttpClient client = cb.setDefaultCredentialsProvider(credentialsProvider).build();
        return client;
    }

    public static HttpClient httpClient() {
        return HttpClients.custom().build();
    }

   
}
转载请注明:文章转载自 www.mshxw.com
本文地址:https://www.mshxw.com/it/325319.html
我们一直用心在做
关于我们 文章归档 网站地图 联系我们

版权所有 (c)2021-2022 MSHXW.COM

ICP备案号:晋ICP备2021003244-6号