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  1. ,

    401 means "Unauthorized", so there must be something with your credentials. You need to pass the authentication to let the server know its a valid user. Check whether the authentication details are provided.

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via GitHub by MrPowerGamerBR
, 1 year ago
Server returned HTTP response code: 400 for URL: http://api.skype.com/users/batch/profiles
via GitHub by eugenk
, 2 years ago
Server returned HTTP response code: 403 for URL: http://localhost:3000/ref/1/private/foaf
via Stack Overflow by nmodi
, 2 years ago
Server returned HTTP response code: 403 for URL: http://translate.google.com/
via Stack Overflow by foxwendy
, 2 years ago
Server returned HTTP response code: 400 for URL: ><a href="http://xxxx.com/WebServices/VinApi.asmx" rel="nofollow">http://xxxx.com/WebServices/VinApi.asmx</a>
via Stack Overflow by John
, 2 years ago
Server returned HTTP response code: 400 for URL:http://myapichecking.mydomain.com/webservice/groupcheck
via Stack Overflow by Reed Elliott
, 2 years ago
Server returned HTTP response code: 503 for URL: http://www.oracle.com/splash/java.net/maintenance/index.html
java.io.IOException: Server returned HTTP response code: 400 for URL: http://api.skype.com/users/batch/profiles	at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1840)	at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1441)	at fr.delthas.skype.WebConnector.sendRequestJson(WebConnector.java:260)	at fr.delthas.skype.WebConnector.updateContacts(WebConnector.java:115)	at fr.delthas.skype.WebConnector.start(WebConnector.java:44)	at fr.delthas.skype.Skype.connect(Skype.java:92)	at fr.delthas.skype.Skype.connect(Skype.java:68)	at com.mrpowergamerbr.wow.Testing.main(Testing.java:12)