Hi Alexander, Thanks for the reply. I had fixed my problem but I have not the exact root cause. Here some elements about my knowledge:
FI: I discovered the problem at my home => without proxy => not sure the proxy is the root cause. With property “-Djavax.net.debug=all” (very useful) I found in a certificate chain a Verisign with MD2withRSA Algorithm. DefaultSVNSSLTrustManager used implicitly with DefaultSVNAuthenticationManager seems to have problem to deal with that when JDK >= 7 used. Some posts can be found on forums about this algorithm & direct X509TrustManager extend (and not X509ExtendedTrustManager) & JDK 7. In method checkServerTrusted, SVNSSLUtil.getServerCertificateFailures returns 12 as result (same result with JDK 6), authProvider is null and an SSLHandshakeException is found when back to HTTPConnection ; origin is not clear … I can't debug when it has been thrown. So I tried to use the default JVM trustmanager, who can explain why the direct HttpsURLConnection snippet code works. Feasible with an extension of BasicAuthenticationManager (and better in my Maven plugin usage: fully java without ’%APPDATA%\Subversion’ requirements): --- public class BasicWithCertificateTrustedAuthenticationManager extends BasicAuthenticationManager { public BasicWithCertificateTrustedAuthenticationManager(String userName, String password) { super(userName, password); } @Override public TrustManager getTrustManager(SVNURL url) throws SVNException { try { // HTTPS URL requires certificate trust process if (url != null && url.getProtocol() != null && url.getProtocol().startsWith("https")) { // TrustManagerUtils comes from commons-net:commons-net:3.3 return TrustManagerUtils.getDefaultTrustManager(null); } return null; } catch (GeneralSecurityException e) { throw new SVNException(SVNErrorMessage.create(SVNErrorCode.IO_ERROR, e.getMessage()), e); } } } Usage: SVNClientManager clientManager = SVNClientManager.newInstance(SVNWCUtil.createDefaultOptions(true), new BasicWithCertificateTrustedAuthenticationManager(userName, password)); --- => It is ok for me. For investigation I could give you if you want the HTTPS URL in a private mail (mine: firstname.lastn...@gmail.com). The Certificate problem occurs before credential requirements. Best Regards.