Jersey Client: Basic Authentication schema is case insensitive (rfc 2617 section 1.2)

jersey-client-auth-scheme-must-be-insensitive.diff

diff --git a/core-client/src/main/java/org/glassfish/jersey/client/authentication/BasicAuthenticator.java b/core-client/src/main/java/org/glassfish/jersey/client/authentication/BasicAuthenticator.java
index 981abfa..0e692e7 100644
--- a/core-client/src/main/java/org/glassfish/jersey/client/authentication/BasicAuthenticator.java
+++ b/core-client/src/main/java/org/glassfish/jersey/client/authentication/BasicAuthenticator.java
@@ -115,7 +115,7 @@ final class BasicAuthenticator {
      */
     public boolean filterResponseAndAuthenticate(ClientRequestContext request, ClientResponseContext response) {
         final String authenticate = response.getHeaders().getFirst(HttpHeaders.WWW_AUTHENTICATE);
-        if (authenticate != null && authenticate.trim().startsWith("Basic")) {
+        if (authenticate != null && authenticate.trim().toUpperCase().startsWith("BASIC")) {
             HttpAuthenticationFilter.Credentials credentials = HttpAuthenticationFilter
                     .getCredentials(request, defaultCredentials, HttpAuthenticationFilter.Type.BASIC);