恢复原来的接口，看是否复现问题

clx-performance-web/src/main/java/com/openapi/sdk/util/HttpsUtils.java

 package com.openapi.sdk.util;
 
-import lombok.extern.slf4j.Slf4j;
-import org.apache.http.HttpEntity;
-import org.apache.http.HttpResponse;
-import org.apache.http.client.config.RequestConfig;
-import org.apache.http.client.methods.HttpPost;
-import org.apache.http.conn.ssl.NoopHostnameVerifier;
-import org.apache.http.entity.StringEntity;
-import org.apache.http.impl.client.CloseableHttpClient;
-import org.apache.http.impl.client.HttpClients;
-import org.apache.http.impl.conn.PoolingHttpClientConnectionManager;
-import org.apache.http.ssl.SSLContextBuilder;
-import org.apache.http.util.EntityUtils;
-
-import javax.net.ssl.SSLContext;
-import java.nio.charset.StandardCharsets;
-
-@Slf4j
+import javax.net.ssl.*;
+import java.io.DataOutputStream;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.net.HttpURLConnection;
+import java.net.URL;
+import java.security.SecureRandom;
+import java.security.cert.CertificateException;
+import java.security.cert.X509Certificate;
+
 public class HttpsUtils {
-    private static final int MAX_TOTAL = 800;
-    private static final int MAX_PER_ROUTE = 20;
-    private static final int CONNECT_TIMEOUT = 5000;
-    private static final int READ_TIMEOUT = 5000;
+    public HttpsUtils() {
+    }
 
-    private static PoolingHttpClientConnectionManager connManager;
-    private static CloseableHttpClient httpClient;
+    public static String doPost(String url, int connentTimeout, int readTimeout) throws Exception {
+        HttpURLConnection conn = null;
+        InputStreamReader isReader = null;
+        StringBuffer result = new StringBuffer();
 
-    static {
         try {
-            // Create a connection manager with connection pool
-            connManager = new PoolingHttpClientConnectionManager();
-            connManager.setMaxTotal(MAX_TOTAL);
-            connManager.setDefaultMaxPerRoute(MAX_PER_ROUTE);
-
-            // Create an HttpClient with the connection manager
-            SSLContext sslContext = new SSLContextBuilder()
-                    .loadTrustMaterial(null, (certificate, authType) -> true)
-                    .build();
-
-            httpClient = HttpClients.custom()
-                    .setSSLContext(sslContext)
-                    .setSSLHostnameVerifier(NoopHostnameVerifier.INSTANCE)
-                    .setConnectionManager(connManager)
-                    .build();
-        } catch (Exception e) {
-            e.printStackTrace();
+            trustAllHttpsCertificates();
+            HostnameVerifier hv = new HostnameVerifier() {
+                public boolean verify(String urlHostName, SSLSession session) {
+                    System.out.println("Warning: URL Host: " + urlHostName + " vs. " + session.getPeerHost());
+                    return true;
+                }
+            };
+            HttpsURLConnection.setDefaultHostnameVerifier(hv);
+            conn = (HttpURLConnection)(new URL(url)).openConnection();
+            conn.setDoInput(true);
+            conn.setDoOutput(true);
+            conn.setUseCaches(false);
+            conn.setRequestMethod("POST");
+            conn.setConnectTimeout(connentTimeout);
+            conn.setReadTimeout(readTimeout);
+            isReader = new InputStreamReader(conn.getInputStream(), "UTF-8");
+            char[] bfchar = new char[2048];
+            int length = 0;
+            while((length = isReader.read(bfchar)) != -1) {
+                String temp = new String(bfchar, 0, length);
+                result.append(temp);
+            }
+        } catch (Exception var17) {
+            System.err.println("发送 POST 请求出现异常！" + var17.getMessage());
+            throw var17;
+        } finally {
+            try {
+                if (isReader != null) {
+                    isReader.close();
+                }
+            } catch (IOException var16) {
+                System.err.println("关闭数据流出错了！\n" + var16.getMessage() + "\n");
+                throw var16;
+            }
+
         }
-    }
 
-    public static String doPost(String url, int connTimeout, int readTimeout) throws Exception {
-        return doPost(url, "", connTimeout, readTimeout);
+        return result.toString();
     }
 
     public static String doPost(String url, String param, int readTimeout, int connectTimeout) throws Exception {
-        log.info("====>进入自定义HttpsUtils doPost" );
-
-        RequestConfig requestConfig = RequestConfig.custom()
-                .setConnectTimeout(connectTimeout)
-                .setSocketTimeout(readTimeout)
-                .build();
-
-        HttpPost httpPost = new HttpPost(url);
-        httpPost.setConfig(requestConfig);
-        httpPost.setHeader("Content-Type", "application/json; charset=utf-8");
-        httpPost.setEntity(new StringEntity(param, StandardCharsets.UTF_8));
-
-        HttpResponse response = httpClient.execute(httpPost);
-        HttpEntity entity = response.getEntity();
-        if (entity != null) {
-            return EntityUtils.toString(entity, StandardCharsets.UTF_8);
+        InputStreamReader isReader = null;
+        HttpURLConnection conn = null;
+        DataOutputStream dos = null;
+        StringBuffer result = new StringBuffer();
+
+        try {
+            trustAllHttpsCertificates();
+            HostnameVerifier hv = new HostnameVerifier() {
+                public boolean verify(String urlHostName, SSLSession session) {
+                    System.out.println("Warning: URL Host: " + urlHostName + " vs. " + session.getPeerHost());
+                    return true;
+                }
+            };
+            HttpsURLConnection.setDefaultHostnameVerifier(hv);
+            conn = (HttpURLConnection)(new URL(url)).openConnection();
+            conn.setDoInput(true);
+            conn.setDoOutput(true);
+            conn.setUseCaches(false);
+            conn.setRequestProperty("Content-Length", String.valueOf(param.getBytes("UTF-8").length));
+            conn.setRequestMethod("POST");
+            conn.setConnectTimeout(connectTimeout);
+            conn.setRequestProperty("charset", "UTF-8");
+            conn.setReadTimeout(readTimeout);
+            conn.connect();
+            dos = new DataOutputStream(conn.getOutputStream());
+            int length = 0;
+            int totalLength = param.length();
+
+            while(length < totalLength) {
+                int endLength = length + 1024;
+                if (endLength > totalLength) {
+                    endLength = totalLength;
+                }
+
+                dos.write(param.substring(length, endLength).getBytes("UTF-8"));
+                length = endLength;
+                dos.flush();
+            }
+
+            dos.close();
+            isReader = new InputStreamReader(conn.getInputStream(), "UTF-8");
+            char[] bfchar = new char[2048];
+            int rlength = 0;
+
+            while((rlength = isReader.read(bfchar)) != -1) {
+                String temp = new String(bfchar, 0, rlength);
+                result.append(temp);
+            }
+
+            return result.toString();
+        } catch (Exception var21) {
+            System.err.println("发送 POST 请求出现异常！" + var21.getMessage() + "e:" + var21);
+            throw var21;
+        } finally {
+            try {
+                if (isReader != null) {
+                    isReader.close();
+                }
+            } catch (IOException var20) {
+                System.err.println("关闭数据流出错了！\n" + var20.getMessage() + "\n");
+                throw var20;
+            }
+            try {
+                if (conn != null) {
+                    conn.disconnect();
+                }
+            } catch (Exception var19) {
+                System.err.println("关闭连接出错了！\n" + var19.getMessage() + "\n");
+                throw var19;
+            }
+
         }
-        return "";
     }
 
-    public static void main(String[] args) throws Exception {
-            String url = "https://www.baidu.com";
-            String result = HttpsUtils.doPost(url, 5000, 5000);
-            System.out.println(result);
+    private static void trustAllHttpsCertificates() throws Exception {
+        TrustManager[] trustAllCerts = new TrustManager[1];
+        TrustManager tm = new miTM();
+        trustAllCerts[0] = tm;
+        SSLContext sc = SSLContext.getInstance("SSL");
+        sc.init((KeyManager[])null, trustAllCerts, (SecureRandom)null);
+        HttpsURLConnection.setDefaultSSLSocketFactory(sc.getSocketFactory());
+    }
+
+    static class miTM implements TrustManager, X509TrustManager {
+        miTM() {
+        }
+
+        public X509Certificate[] getAcceptedIssuers() {
+            return null;
+        }
+
+        public boolean isServerTrusted(X509Certificate[] certs) {
+            return true;
+        }
+
+        public boolean isClientTrusted(X509Certificate[] certs) {
+            return true;
+        }
+
+        public void checkServerTrusted(X509Certificate[] certs, String authType) throws CertificateException {
+        }
+
+        public void checkClientTrusted(X509Certificate[] certs, String authType) throws CertificateException {
+        }
     }
-}
+}
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