javax.net.ssl.SSLHandshakeException: Remote host closed connection during handshake while inserting rows in bigquery

Question

Hi I am working on android app in which I have integrated bigquery. I see sometimes we are getting a lot of SSL exceptions while inserting data to big query tables. I don\'t

Answer 1

If you are using (https) requests you need to add Security Certificate in your app. here is link how to add it.

http://stackoverflow.com/questions/4065379/how-to-create-a-bks-bouncycastle-format-java-keystore-that-contains-a-client-c

You can test if indeed security certificate is causing it, Add this class in your project.

import java.security.KeyManagementException;
import java.security.NoSuchAlgorithmException;
import java.security.SecureRandom;
import java.security.cert.X509Certificate;

import javax.net.ssl.HostnameVerifier;
import javax.net.ssl.HttpsURLConnection;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSession;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;


public class HttpsTrustManager implements X509TrustManager {

    private static TrustManager[] trustManagers;
    private static final X509Certificate[] _AcceptedIssuers = new X509Certificate[]{};

    @Override
    public void checkClientTrusted(
            java.security.cert.X509Certificate[] x509Certificates, String s)
            throws java.security.cert.CertificateException {

    }

    @Override
    public void checkServerTrusted(
            java.security.cert.X509Certificate[] x509Certificates, String s)
            throws java.security.cert.CertificateException {

    }

    public boolean isClientTrusted(X509Certificate[] chain) {
        return true;
    }

    public boolean isServerTrusted(X509Certificate[] chain) {
        return true;
    }

    @Override
    public X509Certificate[] getAcceptedIssuers() {
        return _AcceptedIssuers;
    }

    public static void allowAllSSL() {
        HttpsURLConnection.setDefaultHostnameVerifier(new HostnameVerifier() {

            @Override
            public boolean verify(String arg0, SSLSession arg1) {
                return true;
            }

        });

        SSLContext context = null;
        if (trustManagers == null) {
            trustManagers = new TrustManager[]{new HttpsTrustManager()};
        }

        try {
            context = SSLContext.getInstance("TLS");
            context.init(null, trustManagers, new SecureRandom());
        } catch (NoSuchAlgorithmException e) {
            e.printStackTrace();
        } catch (KeyManagementException e) {
            e.printStackTrace();
        }

        HttpsURLConnection.setDefaultSSLSocketFactory(context
                .getSocketFactory());
    }

}

and call

 HttpsTrustManager.allowAllSSL();  // Allow all SSL connections

before an API call.

NOTE: This code skips verification and allows any certificate to work. This method should not be used for secure communication. This is just to check if Certificate authentication is causing the error.

Answer 2

Probably the server is asking for a client certificate and you aren't providing one. The server will provide a list of trusted signers, and your client certificate needs to be signed by one of those. You can't use a self-signed certificate for the client unless you've made special arrangements with the server, i.e. imported your client certificate into its trusted certificate list. Your SSL client won't send a certificate if it can't find one, or if the one(s) that it finds don't have trusted signers.

It doesn't have anything to do with what the SSL connection was going to do after it was established, e.g. SQL queries, updates, etc.