Index: src/java/org/apache/ivy/util/url/BasicURLHandler.java
===================================================================
--- src/java/org/apache/ivy/util/url/BasicURLHandler.java	(revision 909781)
+++ src/java/org/apache/ivy/util/url/BasicURLHandler.java	(working copy)
@@ -114,6 +114,8 @@
     public InputStream openStream(URL url) throws IOException {
         URLConnection conn = null;
         try {
+            // Set default authenticator to ensure that the IvyAuthenticator will be used
+            Authenticator.setDefault(IvyAuthenticator.INSTANCE);
             url = normalizeToURL(url);
             conn = url.openConnection();
             conn.setRequestProperty("User-Agent", "Apache Ivy/" + Ivy.getIvyVersion());
@@ -142,6 +144,8 @@
     public void download(URL src, File dest, CopyProgressListener l) throws IOException {
         URLConnection srcConn = null;
         try {
+            // Set default authenticator to ensure that the IvyAuthenticator will be used
+            Authenticator.setDefault(IvyAuthenticator.INSTANCE);
             src = normalizeToURL(src);
             srcConn = src.openConnection();
             srcConn.setRequestProperty("User-Agent", "Apache Ivy/" + Ivy.getIvyVersion());
@@ -178,6 +182,8 @@
 
         HttpURLConnection conn = null;
         try {
+            // Set default authenticator to ensure that the IvyAuthenticator will be used
+            Authenticator.setDefault(IvyAuthenticator.INSTANCE);
             dest = normalizeToURL(dest);
             conn = (HttpURLConnection) dest.openConnection();
             conn.setDoOutput(true);
Index: src/java/org/apache/ivy/util/url/CredentialsStore.java
===================================================================
--- src/java/org/apache/ivy/util/url/CredentialsStore.java	(revision 909781)
+++ src/java/org/apache/ivy/util/url/CredentialsStore.java	(working copy)
@@ -50,6 +50,7 @@
     }
 
     public Credentials getCredentials(String realm, String host) {
+        Message.debug("try to get credentials for: " + realm + "@" + host);
         return (Credentials) KEYRING.get(Credentials.buildKey(realm, host));
     }
 
Index: src/java/org/apache/ivy/util/url/HttpClientHandler.java
===================================================================
--- src/java/org/apache/ivy/util/url/HttpClientHandler.java	(revision 909781)
+++ src/java/org/apache/ivy/util/url/HttpClientHandler.java	(working copy)
@@ -296,7 +296,7 @@
         if (c != null) {
             Message.debug("found credentials for " + url + ": " + c);
             httpClient.getState().setCredentials(
-                new AuthScope(c.getHost(), AuthScope.ANY_PORT, c.getRealm()),
+                new AuthScope(c.getHost(), AuthScope.ANY_PORT, AuthScope.ANY_REALM),
                 new NTCredentials(c.getUserName(), c.getPasswd(), 
                     HostUtil.getLocalHostName(), c.getRealm()));
         }