From 51af933276f30ad938adbc23e7d5bb522be0ca9b Mon Sep 17 00:00:00 2001
From: igerasim <none@none>
Date: Sat, 22 Jun 2019 20:46:46 -0700
Subject: [PATCH] 8225298: Improve TLS connection support Reviewed-by: dfuchs,
 igerasim, michaelm, rhalade, skoivu

---
 .../classes/sun/net/www/protocol/http/HttpURLConnection.java  | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/share/classes/sun/net/www/protocol/http/HttpURLConnection.java b/src/share/classes/sun/net/www/protocol/http/HttpURLConnection.java
index 6adc9f65b..f00060eff 100644
--- a/src/share/classes/sun/net/www/protocol/http/HttpURLConnection.java
+++ b/src/share/classes/sun/net/www/protocol/http/HttpURLConnection.java
@@ -2145,6 +2145,10 @@ public class HttpURLConnection extends java.net.HttpURLConnection {
             } while (retryTunnel < maxRedirects);
 
             if (retryTunnel >= maxRedirects || (respCode != HTTP_OK)) {
+                if (respCode != HTTP_PROXY_AUTH) {
+                    // remove all but authenticate responses
+                    responses.reset();
+                }
                 throw new IOException("Unable to tunnel through proxy."+
                                       " Proxy returns \"" +
                                       statusLine + "\"");
-- 
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