restTemplate 訪問某些網站的時候碰到 unable to find valid certification path to requested target
查了下有不少解決辦法
但是感覺最簡單而且不需要引入更多依賴的辦法如下
public final class SSLUtil{
private static final TrustManager[] UNQUESTIONING_TRUST_MANAGER = new TrustManager[]{
new X509TrustManager() {
public java.security.cert.X509Certificate[] getAcceptedIssuers(){
return null;
}
public void checkClientTrusted( X509Certificate[] certs, String authType ){}
public void checkServerTrusted( X509Certificate[] certs, String authType ){}
}
};
public static void turnOffSslChecking() throws NoSuchAlgorithmException, KeyManagementException {
// Install the all-trusting trust manager
final SSLContext sc = SSLContext.getInstance("SSL");
sc.init( null, UNQUESTIONING_TRUST_MANAGER, null );
HttpsURLConnection.setDefaultSSLSocketFactory(sc.getSocketFactory());
}
public static void turnOnSslChecking() throws KeyManagementException, NoSuchAlgorithmException {
// Return it to the initial state (discovered by reflection, now hardcoded)
SSLContext.getInstance("SSL").init( null, null, null );
}
private SSLUtil(){
throw new UnsupportedOperationException( "Do not instantiate libraries.");
}
}
然後在你需要關閉ssl檢查的時候調用SSLUtil.turnOffSslChecking()就OK了
感謝谷歌和stackoverflow 這個方法原載在stackoverflow上