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java.net.UnknownServiceException: protocol doesn't support output 	at java.lang.Throwable.(Throwable.java:194)	at java.lang.Exception.(Exception.java:41)	at java.io.IOException.(IOException.java:40)	at java.net.UnknownServiceException.(UnknownServiceException.java:37)	at java.net.URLConnection.getOutputStream(URLConnection.java:682)