如何确认一个https证书是正常的,最简单的https证书申请

javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target

证书过期不要慌…
配置容器为http请求，搞定。如果postman请求遇到一下情况
Could not get any response

不要慌。。。。
解决：
A. 打开postman —> File —> Settings

B. 关闭图片红框里的SSL…选项为OFF
C. 大功告成。。。。
3. java请求…直接贴代码了。

/** * 采用绕过验证的方式处理https请求 * @param url * @param json * @return */ public static String doGet(String url, JSONObject json) { String body = ""; SSLContext sslcontext = null; try { //设置协议http和https对应的处理socket链接工厂的对象 sslcontext = createIgnoreVerifySSL(); Registry<ConnectionSocketFactory> socketFactoryRegistry = RegistryBuilder.<ConnectionSocketFactory>create() .register("http", PlainConnectionSocketFactory.INSTANCE) .register("https", new SSLConnectionSocketFactory(sslcontext)) .build(); PoolingHttpClientConnectionManager connManager = new PoolingHttpClientConnectionManager(socketFactoryRegistry); HttpClients.custom().setConnectionManager(connManager); //创建自定义的httpclient对象 CloseableHttpClient client = HttpClients.custom().setConnectionManager(connManager).build(); //处理请求参数拼接（参数为json）如：？name = ""&pwd = "" String param = changeJsonToArguments(json); String urlNameString = url + param; //创建get方式请求对象 HttpGet get = new HttpGet(urlNameString); //指定报文头Content-type、User-Agent //get.setHeader("Content-type", "application/x-www-form-urlencoded"); get.setHeader("User-Agent", "Mozilla/5.0 (Windows NT 6.1; rv:6.0.2) Gecko/20100101 Firefox/6.0.2"); //执行请求操作，并拿到结果（同步阻塞） CloseableHttpResponse response = client.execute(get); //获取结果实体 HttpEntity entity = response.getEntity(); if (entity != null) { //按指定编码转换结果实体为String类型 body = EntityUtils.toString(entity, "UTF-8"); } EntityUtils.consume(entity); //释放链接 response.close(); } catch (ClientProtocolException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } catch (NoSuchAlgorithmException e) { e.printStackTrace(); } catch (KeyManagementException e) { e.printStackTrace(); }finally{ } return body; } public static SSLContext createIgnoreVerifySSL() throws NoSuchAlgorithmException, KeyManagementException { SSLContext sc = SSLContext.getInstance("SSLv3"); // 实现一个X509TrustManager接口，用于绕过验证，不用修改里面的方法 X509TrustManager trustManager = new X509TrustManager() { @Override public void checkClientTrusted( java.security.cert.X509Certificate[] paramArrayOfX509Certificate, String paramString) { } @Override public void checkServerTrusted( java.security.cert.X509Certificate[] paramArrayOfX509Certificate, String paramString) { } @Override public java.security.cert.X509Certificate[] getAcceptedIssuers() { return null; } }; sc.init(null, new TrustManager[] { trustManager }, null); return sc; }

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