Authorization problem (HttpConnection) on android!!

Question

"Basic YWRtaW46YW RtaW4=" is right code for my address.I check on j2me project.

And on android my getbase64 method returns "Basic YWRtaW46YW RtaW4=" its true.

and ı use it on:

httpConnection.setRequestProperty("Authorization",getBase64Encode()); ==> "Basic "+Base64.Decode(name:pass); Finally responce code is 401

any idea???