sun.security.provider.certpath.SunCertPathBuilder

Question

sun.security.provider.certpath.SunCertPathBuilderException：无法找到被请求目标的有效证书路径我有一个类将从Https服务器。当我运行它时，它会返回很多错误。看来我的证书有问题。是否可以忽略客户机-服务器身份验证？如果是，怎么做？package com.da;import java.io.FileOutputStream;import java.io.IOException;import java.nio.CharBuffer;import java.util.concurrent.Future;import org.apache.http.HttpResponse;import org.apache.http.client.utils.URIUtils;import org.apache.http.impl.nio.client.DefaultHttpAsyncClient;import org.apache.http.nio.IOControl;import org.apache.http.nio.client.HttpAsyncClient;import org.apache.http.nio.client.methods.AsyncCharConsumer;import org.apache.http.nio.client.methods.HttpAsyncGet;import org.apache.http.nio.client.methods.HttpAsyncPost;public class RSDDownloadFile {    static FileOutputStream fos;    public void DownloadFile(String URI, String Request) throws Exception    {        java.net.URI uri = URIUtils.createURI("https", "176.66.3.69:6443", -1, "download.aspx",                "Lang=EN&AuthToken=package", null);        System.out.println("URI Query: " + uri.toString());        HttpAsyncClient httpclient = new DefaultHttpAsyncClient();        httpclient.start();        try {            Future<Boolean> future = httpclient.execute(                    new HttpAsyncGet(uri),                    new ResponseCallback(), null);            Boolean result = future.get();            if (result != null && result.booleanValue()) {                System.out.println("\nRequest successfully executed");            } else {                System.out.println("Request failed");            }                      }         catch(Exception e){            System.out.println("[DownloadFile] Exception: " + e.getMessage());        }        finally {            System.out.println("Shutting down");            httpclient.shutdown();        }        System.out.println("Done");      }