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    Check if you didn't set RequestProperty Content-Type to the wrong type or if you're trying to send the wrong file to the server.

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via Oracle Community by 2611206, 1 year ago
Unable to tunnel through proxy. Proxy returns "HTTP/1.1 407 Proxy Authentication Required"
via Stack Overflow by rand
, 1 year ago
Unable to tunnel through proxy. Proxy returns "HTTP/1.1 407 Proxy Authorization Required"
via java.com by Unknown author, 1 year ago
via Oracle Community by 843811, 1 year ago
Unable to tunnel through proxy. Proxy returns "HTTP/1.1 302 Moved Temporarily"
java.io.IOException: Unable to tunnel through proxy. Proxy returns "HTTP/1.1 407 Proxy Authentication Required"	at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1525)	at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:164)	at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1049)	at sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(HttpsURLConnectionImpl.java:234)	at oracle.apps.fnd.oam.sdk.util.url.URLFetchUtil.openConnectionCheckRedirects(URLFetchUtil.java:488)