org.apache.http.conn.ConnectTimeoutException: *****.com:443 timed out

最新推荐文章于 2024-02-23 14:18:13 发布

bitter_sweet

最新推荐文章于 2024-02-23 14:18:13 发布

阅读量8.5k

点赞数

CC 4.0 BY-SA版权

分类专栏： http

本文链接：https://blog.youkuaiyun.com/bitter_sweet/article/details/41309009

http 专栏收录该内容

1 篇文章

订阅专栏

本文介绍了一种使用Apache HttpClient实现的HTTP客户端池解决方案，通过配置连接超时时间和信任管理器来解决访问特定网站时出现的连接超时问题。包括SSL上下文初始化、信任管理器设置、SO_TIMEOUT和CONNECTION_TIMEOUT参数调整等步骤。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

shiyong de shi https

org.apache.http.conn.ConnectTimeoutException: *****.com:443 timed out

solution

public class httpsclientspool{

    private static final SchemeRegistry schemeRegistry = new SchemeRegistry();
    private static final PoolingClientConnectionManager clientConnectionManager = new PoolingClientConnectionManager(schemeRegistry);
    private static final HttpParams params = new BasicHttpParams();
    private static DefaultHttpClient client = new DefaultHttpClient(clientConnectionManager, params);

    private static X509TrustManager trustManager= new X509TrustManager() {
        public void checkClientTrusted(X509Certificate[] xcs, String string)
                throws CertificateException {
        }
        public void checkServerTrusted(X509Certificate[] xcs, String string)
                throws CertificateException {
        }

        public X509Certificate[] getAcceptedIssuers() {
            return null;
        }
    };

    static {
        params.setParameter(CoreConnectionPNames.CONNECTION_TIMEOUT, 5000);
        params.setParameter(CoreConnectionPNames.SO_TIMEOUT, 29000);
        SSLContext ctx = null;
        try {
            ctx = SSLContext.getInstance("SSL");
        } catch (NoSuchAlgorithmException e) {
            logger.error(" ssl error " , e);
        }

        try {
            ctx.init(null, new TrustManager[] { trustManager }, null);
        } catch (KeyManagementException e) {
            logger.error(" trustManager " , e);
        }

        SSLSocketFactory ssf = new SSLSocketFactory(ctx);
        ssf.setHostnameVerifier(SSLSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER);
        SchemeRegistry schemeRegistry = clientConnectionManager.getSchemeRegistry();
        schemeRegistry.register(new Scheme("https", 443, ssf)) ;
        clientConnectionManager.setMaxTotal(200);
        clientConnectionManager.setDefaultMaxPerRoute(20);
    }

    protected String doPost(String url, List<NameValuePair> params) {
        try {

            logger.info("post to url=" + url);
            HttpPost httpPost = new HttpPost(url);
            UrlEncodedFormEntity uefEntity = new UrlEncodedFormEntity(params, "UTF-8");
            httpPost.setEntity(uefEntity);
            HttpResponse response = client.execute(httpPost);
            HttpEntity entity = response.getEntity();
            if (null != response && response.getEntity()!= null) {
                responseText = EntityUtils.toString(entity, "UTF-8");
            }
            logger.info("post result=" + responseText);
            if (StringUtils.isBlank(responseText)) {
                throw new RuntimeException("返回为空!");
            }
        } catch (SocketTimeoutException timeoutException) {
               responseText = "";

        }catch (ConnectTimeoutException timeOut){

            responseText = "";
        } catch (Exception e) {

        }finally{

        }

        return responseText;
    }

done ~~