Ler cÓdigo fonte de url https

Fala comunidade...

Estou com uma pequena bucha....acho...
Seguinte, preciso acessar uma página https e ler o código fonte dela com páginas http consigo ler normalmente.
Meu código é este:

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.MalformedURLException;
import java.net.URL;


public class leURL {

	public static void leiaURL(String strURL) throws MalformedURLException,
			IOException {
		
		URL url = new URL(strURL);		
		BufferedReader reader = new BufferedReader(new InputStreamReader(url.openStream()));
		String linha = "";
		while ((linha = reader.readLine()) != null) {
			System.out.println(linha);
		}
		reader.close();
	}

}

e tenho main que chama o método:

import java.io.IOException;
import java.net.MalformedURLException;

public class TestaLeituraURL {

	/**
	 * @param args
	 */
	public static void main(String[] args) throws MalformedURLException, IOException{

		leURL url = new leURL();
		url.leiaURL("https://alguma pagina em https");

	}
}

Agora o erro que dá ao tentar chamar este método:

Exception in thread "main" 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
	at com.sun.net.ssl.internal.ssl.Alerts.getSSLException(Unknown Source)
	at com.sun.net.ssl.internal.ssl.SSLSocketImpl.fatal(Unknown Source)
	at com.sun.net.ssl.internal.ssl.Handshaker.fatalSE(Unknown Source)
	at com.sun.net.ssl.internal.ssl.Handshaker.fatalSE(Unknown Source)
	at com.sun.net.ssl.internal.ssl.ClientHandshaker.serverCertificate(Unknown Source)
	at com.sun.net.ssl.internal.ssl.ClientHandshaker.processMessage(Unknown Source)
	at com.sun.net.ssl.internal.ssl.Handshaker.processLoop(Unknown Source)
	at com.sun.net.ssl.internal.ssl.Handshaker.process_record(Unknown Source)
	at com.sun.net.ssl.internal.ssl.SSLSocketImpl.readRecord(Unknown Source)
	at com.sun.net.ssl.internal.ssl.SSLSocketImpl.performInitialHandshake(Unknown Source)
	at com.sun.net.ssl.internal.ssl.SSLSocketImpl.startHandshake(Unknown Source)
	at com.sun.net.ssl.internal.ssl.SSLSocketImpl.startHandshake(Unknown Source)
	at sun.net.www.protocol.https.HttpsClient.afterConnect(Unknown Source)
	at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(Unknown Source)
	at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
	at sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(Unknown Source)
	at java.net.URL.openStream(Unknown Source)
	at leURL.leiaURL(leURL.java:14)
	at TestaLeituraURL.main(TestaLeituraURL.java:12)
Caused by: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
	at sun.security.validator.PKIXValidator.doBuild(Unknown Source)
	at sun.security.validator.PKIXValidator.engineValidate(Unknown Source)
	at sun.security.validator.Validator.validate(Unknown Source)
	at com.sun.net.ssl.internal.ssl.X509TrustManagerImpl.checkServerTrusted(Unknown Source)
	at com.sun.net.ssl.internal.ssl.JsseX509TrustManager.checkServerTrusted(Unknown Source)
	... 15 more
Caused by: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
	at sun.security.provider.certpath.SunCertPathBuilder.engineBuild(Unknown Source)
	at java.security.cert.CertPathBuilder.build(Unknown Source)
	... 20 more

Aguardo uma ajuda e desde já agradeço a comunidade.

3 Respostas

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