From 0b18a976f32cb0d62cafa1721188fb44526a8919 Mon Sep 17 00:00:00 2001
From: Andrew Gaul <andrew@gaul.org>
Date: Wed, 13 Aug 2014 18:15:43 -0700
Subject: [PATCH] Log duplicate headers

---
 src/main/java/org/gaul/s3proxy/S3ProxyHandler.java | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/main/java/org/gaul/s3proxy/S3ProxyHandler.java b/src/main/java/org/gaul/s3proxy/S3ProxyHandler.java
index 2c93179..6fa53c5 100644
--- a/src/main/java/org/gaul/s3proxy/S3ProxyHandler.java
+++ b/src/main/java/org/gaul/s3proxy/S3ProxyHandler.java
@@ -109,8 +109,11 @@ final class S3ProxyHandler extends AbstractHandler {
         String[] path = uri.split("/", 3);
         logger.debug("request: {}", request);
         for (String headerName : Collections.list(request.getHeaderNames())) {
-            logger.trace("header: {}: {}", headerName,
-                    Strings.nullToEmpty(request.getHeader(headerName)));
+            for (String headerValue : Collections.list(request.getHeaders(
+                    headerName))) {
+                logger.trace("header: {}: {}", headerName,
+                        Strings.nullToEmpty(headerValue));
+            }
         }
 
         if (identity != null) {