这个问题的根本原因是你安装JDK时，Java\jar 1.8.0_141\lib\ext\里面缺少了一个安全凭证jssecacerts证书文件，通过运行下面类可以生成证书，将生成的证书放在Java\jar 1.8.0_141\lib\ext\这个目录下，重启编译器就可以解决。

我只能说这个方法应该是解决大部分的问题吧，对于我电脑这种顽强的bug，需要通过两种方法的结合才可以从根本上解决这个问题，废话不多说，看我的解决步骤。

1、先检查你的jdk环境

2、新建一个java类


import java.io.*;
import java.net.URL;import java.security.*;
import java.security.cert.*;import javax.net.ssl.*;public class InstallCert {public static void main(String[] args) throws Exception {String host;int port;char[] passphrase;if ((args.length == 1) || (args.length == 2)) {String[] c = args[0].split(":");host = c[0];port = (c.length == 1) ? 443 : Integer.parseInt(c[1]);String p = (args.length == 1) ? "changeit" : args[1];passphrase = p.toCharArray();} else {System.out.println("Usage: java InstallCert <host>[:port] [passphrase]");return;}File file = new File("jssecacerts");if (file.isFile() == false) {char SEP = File.separatorChar;File dir = new File(System.getProperty("java.home") + SEP+ "lib" + SEP + "security");file = new File(dir, "jssecacerts");if (file.isFile() == false) {file = new File(dir, "cacerts");}}System.out.println("Loading KeyStore " + file + "...");InputStream in = new FileInputStream(file);KeyStore ks = KeyStore.getInstance(KeyStore.getDefaultType());ks.load(in, passphrase);in.close();SSLContext context = SSLContext.getInstance("TLS");TrustManagerFactory tmf =TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());tmf.init(ks);X509TrustManager defaultTrustManager = (X509TrustManager)tmf.getTrustManagers()[0];SavingTrustManager tm = new SavingTrustManager(defaultTrustManager);context.init(null, new TrustManager[] {tm}, null);SSLSocketFactory factory = context.getSocketFactory();System.out.println("Opening connection to " + host + ":" + port + "...");SSLSocket socket = (SSLSocket)factory.createSocket(host, port);socket.setSoTimeout(10000);try {System.out.println("Starting SSL handshake...");socket.startHandshake();socket.close();System.out.println();System.out.println("No errors, certificate is already trusted");} catch (SSLException e) {System.out.println();e.printStackTrace(System.out);}X509Certificate[] chain = tm.chain;if (chain == null) {System.out.println("Could not obtain server certificate chain");return;}BufferedReader reader =new BufferedReader(new InputStreamReader(System.in));System.out.println();System.out.println("Server sent " + chain.length + " certificate(s):");System.out.println();MessageDigest sha1 = MessageDigest.getInstance("SHA1");MessageDigest md5 = MessageDigest.getInstance("MD5");for (int i = 0; i < chain.length; i++) {X509Certificate cert = chain[i];System.out.println(" " + (i + 1) + " Subject " + cert.getSubjectDN());System.out.println("   Issuer  " + cert.getIssuerDN());sha1.update(cert.getEncoded());System.out.println("   sha1    " + toHexString(sha1.digest()));md5.update(cert.getEncoded());System.out.println("   md5     " + toHexString(md5.digest()));System.out.println();}System.out.println("Enter certificate to add to trusted keystore or 'q' to quit: [1]");String line = reader.readLine().trim();int k;try {k = (line.length() == 0) ? 0 : Integer.parseInt(line) - 1;} catch (NumberFormatException e) {System.out.println("KeyStore not changed");return;}X509Certificate cert = chain[k];String alias = host + "-" + (k + 1);ks.setCertificateEntry(alias, cert);OutputStream out = new FileOutputStream("jssecacerts");ks.store(out, passphrase);out.close();System.out.println();System.out.println(cert);System.out.println();System.out.println("Added certificate to keystore 'jssecacerts' using alias '"+ alias + "'");}private static final char[] HEXDIGITS = "0123456789abcdef".toCharArray();private static String toHexString(byte[] bytes) {StringBuilder sb = new StringBuilder(bytes.length * 3);for (int b : bytes) {b &= 0xff;sb.append(HEXDIGITS[b >> 4]);sb.append(HEXDIGITS[b & 15]);sb.append(' ');}return sb.toString();}private static class SavingTrustManager implements X509TrustManager {private final X509TrustManager tm;private X509Certificate[] chain;SavingTrustManager(X509TrustManager tm) {this.tm = tm;}public X509Certificate[] getAcceptedIssuers() {throw new UnsupportedOperationException();}public void checkClientTrusted(X509Certificate[] chain, String authType)throws CertificateException {throw new UnsupportedOperationException();}public void checkServerTrusted(X509Certificate[] chain, String authType)throws CertificateException {this.chain = chain;tm.checkServerTrusted(chain, authType);}}}

3、在命令进行命令编译

跳转到InstallCert .java类所在的盘符，然后运行。

我的第一个错误在这里，大多数人会在该目录下生成一个jssecacerts文件——证书信任凭证。若有生成的，直接将该文件拷贝到Java\jar 1.8.0_141\lib\ext\下，重启编译器，即可。

若和我一样报错的，可以在别人的电脑进行此步操作，然后将生成的安全证书拷贝到Java\jar 1.8.0_141\lib\ext\目录下，效果是一样的，表示本人就是通过这种方法生成的。

一般人，可能拷贝了证书后，重启编译器就生效了，然后我系统的bug又出来了，在这里遇到了第二个bug，进行第四步

4、在idea里面配置两个参数，参数值为下面代码

## 具体参数：
-Dmaven.multiModuleProjectDirectory=$MAVEN_HOME -Dmaven.wagon.http.ssl.insecure=true -Dmaven.wagon.http.ssl.allowall=true -Dmaven.wagon.http.ssl.ignore.validity.dates=true

直接在这个参数后面加上面的参数，用空格隔开叭

5、通过上面的步骤，基本就可以了，我的电脑是行的。

附加一个我生成的文件：

jssecacerts-网络安全文档类资源-CSDN下载

直接点击连接，免费下载即可

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