javax.net.ssl.SSLHandshakeException: java.security.cert.CertPathValidatorException: Trust anchor ...

今天项目升级targetSDK到android 9.0(28)后,下载文件出现了个异常:

javax.net.ssl.SSLHandshakeException: java.security.cert.CertPathValidatorException: Trust anchor for certification path not found.

经分析主要问题原因:

      由于项目的https.bks证书不是正规的CA签发的证书,而是二级代理商等签发的证书,验证不通过造成的!!!

解决方法:

1、获取正规合法的https证书,让后台上传或者存在assets中,进行应用验证,这是最根本的解决办法!

2、忽略https的证书校验

需要在获取sslParams时,修改并自定义TrustManager为trustAllCerts

在继承的Application类里面onCreate()方法中调用下面方法忽略https的证书校验
 

public static void ignoreSSLHandshake() {
    try {
        TrustManager[] trustAllCerts = new TrustManager[]{new X509TrustManager() {
            public X509Certificate[] getAcceptedIssuers() {
                return new X509Certificate[0];
            }
 
            @Override
            public void checkClientTrusted(X509Certificate[] certs, String authType) {
            }
 
            @Override
            public void checkServerTrusted(X509Certificate[] certs, String authType) {
            }
        }};
 
        SSLContext sc = SSLContext.getInstance("TLS");
        // trustAllCerts信任所有的证书
     sc.init(null, trustAllCerts, new SecureRandom());
        HttpsURLConnection.setDefaultSSLSocketFactory(sc.getSocketFactory());
        HttpsURLConnection.setDefaultHostnameVerifier(new HostnameVerifier() {
            @Override
            public boolean verify(String hostname, SSLSession session) {
                return true;
            }
        });
    } catch (Exception e) {
    }
 }

 

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