Key signature detection of an mp3 file Java APIs -


is there apis can detect key signature of given mp3 file? found 1 named echo-nest , not working.

it gives following error in console

=========================================================================

exception in thread "main" com.echonest.api.v3.echonestexception: java.io.filenotfoundexception: http://developer.echonest.com/api/get_metadata?md5=09adfa373f1e0742e650336d2833463d&analysis_version=3&version=3&api_key=bcmyqjmjlqtgcsx9d     @ com.echonest.api.v3.track.trackapi.getmetadata(trackapi.java:345)     @ com.echonest.api.v3.track.trackapi.getanalysisstatus(trackapi.java:618)     @ com.echonest.api.v3.track.trackapi.isknowntrack(trackapi.java:628)     @ com.echonest.api.v3.track.trackapi.uploadtrack(trackapi.java:135)     @ test.main(test.java:25) caused by: java.io.filenotfoundexception: http://developer.echonest.com/api/get_metadata?md5=09adfa373f1e0742e650336d2833463d&analysis_version=3&version=3&api_key=bcmyqjmjlqtgcsx9d     @ sun.net.www.protocol.http.httpurlconnection.getinputstream(unknown source)     @ com.echonest.api.util.commander.sendcommandraw(commander.java:267)     @ com.echonest.api.util.commander.sendcommand(commander.java:179)     @ com.echonest.api.v3.echonestcommander.sendcommand(echonestcommander.java:269)     @ com.echonest.api.v3.echonestcommander.sendcommand(echonestcommander.java:252)     @ com.echonest.api.v3.track.trackapi.getmetadata(trackapi.java:331)     ... 4 more

======================================================================= code gives error note: api key exact 1 gave.

import java.io.file; import java.net.url; import java.util.list;  import com.echonest.api.v3.echonestexception; import com.echonest.api.v3.artist.artist; import com.echonest.api.v3.artist.artistapi; import com.echonest.api.v3.artist.scored; import com.echonest.api.v3.track.trackapi; import com.echonest.api.v3.track.trackapi.analysisstatus;   public class test {       public static void main(string[] args) throws echonestexception     {      string my_echo_nest_api_key = "bcmyqjmjlqtgcsx9d";           trackapi trackapi = new trackapi(my_echo_nest_api_key);          string id = trackapi.uploadtrack(new file("c://low.mp3"), false);         analysisstatus status = trackapi.waitforanalysis(id, 60000);         if (status == analysisstatus.complete) {            system.out.println("key in song: " + trackapi.getkey(id));         }   } }

======================================================================

echo-nest api download link: https://echo-nest-java-api.googlecode.com/files/echo-nest-java-api-1.3.zip


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