https请求报错解决： unable to find valid certification path to requested target

最近使用https请求获取数据出现以下错误：

2017-10-12 16:58:10.113 [main] ERROR com.research.contactsrepairing.util.HttpUtil - post请求提交失败:https://10.100.32.150/kg/ir/repair/getRepaired/

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

此时util是沿用的之前http的，没有做更改：

public static JSONObject httpSPost(String url, String jsonParam, boolean noNeedResponse){    //post请求返回结果    HttpClient httpClient = HttpClientBuilder.create().build();    JSONObject jsonResult = null;    HttpPost method = new HttpPost(url);    try {        if (null != jsonParam) {            //解决中文乱码问题            StringEntity entity = new StringEntity(jsonParam.toString(), "utf-8");            entity.setContentEncoding("UTF-8");            entity.setContentType("application/json");            method.setEntity(entity);        }        HttpResponse result = httpClient.execute(method);        url = URLDecoder.decode(url, "UTF-8");        /**请求发送成功，并得到响应**/        if (result.getStatusLine().getStatusCode() == 200) {            String str = "";            try {                /**读取服务器返回过来的json字符串数据**/                str = EntityUtils.toString(result.getEntity());                if (noNeedResponse) {                    return null;                }                /**把json字符串转换成json array对象**/                jsonResult= JSON.parseObject(str);            } catch (Exception e) {                logger.error("post请求提交失败:" + url, e);            }        }    } catch (IOException e) {        logger.error("post请求提交失败:" + url, e);    }    return jsonResult;}

调用：

HttpUtil request = new HttpUtil(); JSONObject result = request.httpSPost(url, message,false);

错误截图：

原因描述：

这是https请求，所以需要使用https的方式进行请求

我们需要一个httpclient https 的类

package com.research.contactsrepairing.util;import org.apache.commons.httpclient.ConnectTimeoutException;import org.apache.commons.httpclient.params.HttpConnectionParams;import org.apache.commons.httpclient.protocol.ProtocolSocketFactory;import javax.net.SocketFactory;import javax.net.ssl.SSLContext;import javax.net.ssl.TrustManager;import javax.net.ssl.X509TrustManager;import java.io.IOException;import java.net.*;import java.security.KeyManagementException;import java.security.NoSuchAlgorithmException;import java.security.cert.CertificateException;import java.security.cert.X509Certificate;public class HTTPSSecureProtocolSocketFactory  implements ProtocolSocketFactory {    private SSLContext sslcontext = null;    private SSLContext createSSLContext() {        SSLContext sslcontext = null;        try {            sslcontext = SSLContext.getInstance("SSL");            sslcontext.init(null,                    new TrustManager[] { new TrustAnyTrustManager() },                    new java.security.SecureRandom());        } catch (NoSuchAlgorithmException e) {            e.printStackTrace();        } catch (KeyManagementException e) {            e.printStackTrace();        }        return sslcontext;    }    private SSLContext getSSLContext() {        if (null == this.sslcontext) {            this.sslcontext = createSSLContext();        }        return this.sslcontext;    }    public Socket createSocket(Socket socket, String host, int port,                               boolean autoClose) throws IOException, UnknownHostException {        return getSSLContext().getSocketFactory().createSocket(socket, host,                port, autoClose);    }    public Socket createSocket(String host, int port) throws IOException,            UnknownHostException {        return getSSLContext().getSocketFactory().createSocket(host, port);    }    public Socket createSocket(String host, int port, InetAddress clientHost,                               int clientPort) throws IOException, UnknownHostException {        return getSSLContext().getSocketFactory().createSocket(host, port,                clientHost, clientPort);    }    public Socket createSocket(String host, int port, InetAddress localAddress,                               int localPort, HttpConnectionParams params) throws IOException,            UnknownHostException, ConnectTimeoutException {        if (params == null) {            throw new IllegalArgumentException("Parameters may not be null");        }        int timeout = params.getConnectionTimeout();        SocketFactory socketfactory = getSSLContext().getSocketFactory();        if (timeout == 0) {            return socketfactory.createSocket(host, port, localAddress,                    localPort);        } else {            Socket socket = socketfactory.createSocket();            SocketAddress localaddr = new InetSocketAddress(localAddress,                    localPort);            SocketAddress remoteaddr = new InetSocketAddress(host, port);            socket.bind(localaddr);            socket.connect(remoteaddr, timeout);            return socket;        }    }    private static class TrustAnyTrustManager implements X509TrustManager {        public void checkClientTrusted(X509Certificate[] chain, String authType)                throws CertificateException {        }        public void checkServerTrusted(X509Certificate[] chain, String authType)                throws CertificateException {        }        public X509Certificate[] getAcceptedIssuers() {            return new X509Certificate[] {};        }    }}

封装一个HttpUtils工具类: 

package com.research.contactsrepairing.util;import org.apache.commons.httpclient.HttpClient;import org.apache.commons.httpclient.HttpException;import org.apache.commons.httpclient.methods.GetMethod;import org.apache.commons.httpclient.methods.PostMethod;import org.apache.commons.httpclient.protocol.Protocol;import java.io.IOException;public class HttpsUtils {    /**     *  通过url链接直接获取String数据     * @param url     * @return     */    public static String getStringByHttps(String url) {        String result = "";        Protocol https = new Protocol("https", new HTTPSSecureProtocolSocketFactory(), 443);        Protocol.registerProtocol("https", https);        GetMethod get = new GetMethod(url);        HttpClient client = new HttpClient();        try {            client.executeMethod(get);            result = get.getResponseBodyAsString();            result = new String(result.getBytes("ISO-8859-1"), "UTF-8");            Protocol.unregisterProtocol("https");            return result;        } catch (HttpException e) {            e.printStackTrace();        } catch (IOException e) {            e.printStackTrace();        } catch(Exception e) {            e.printStackTrace();        }        return "error";    }    /**     *  通过url链接加参数直接获取String数据     * @param url     * @param     * @contentType  :application/json      * @return     */    public static String postByHttps(String url, String body, String contentType) {        String result = "";        Protocol https = new Protocol("https", new HTTPSSecureProtocolSocketFactory(), 443);        Protocol.registerProtocol("https", https);        PostMethod post = new PostMethod(url);        HttpClient client = new HttpClient();        try {            post.setRequestHeader("Content-Type", contentType);            post.setRequestBody(body);            client.executeMethod(post);            result = post.getResponseBodyAsString();            Protocol.unregisterProtocol("https");            return result;        } catch (HttpException e) {            e.printStackTrace();        } catch (IOException e) {            e.printStackTrace();        } catch(Exception e) {            e.printStackTrace();        }        return "error";    }}

使用方式：

String url = "https://localhost/kg/rr/reppp/getRepeee/";String result =HttpsUtils.postByHttps(url, message,"application/json");