From 97f38546626378ac5255a2e15db78f4b66ab72f2 Mon Sep 17 00:00:00 2001
From: Dan Stillman <dstillman@zotero.org>
Date: Tue, 19 Apr 2016 05:21:45 -0400
Subject: [PATCH] Include 400 response in logged sync errors

---
 chrome/content/zotero/xpcom/http.js | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/chrome/content/zotero/xpcom/http.js b/chrome/content/zotero/xpcom/http.js
index 7ee49f5430..0575af711d 100644
--- a/chrome/content/zotero/xpcom/http.js
+++ b/chrome/content/zotero/xpcom/http.js
@@ -252,10 +252,11 @@ Zotero.HTTP = new function() {
 				}
 				deferred.resolve(xmlhttp);
 			} else {
-				var msg = "HTTP " + method + " " + dispURL + " failed: "
-					+ "Unexpected status code " + xmlhttp.status;
+				let msg = "HTTP " + method + " " + dispURL + " failed with status code " + xmlhttp.status;
+				if (xmlhttp.status == 400 || options.debug) {
+					msg += ":\n\n" + xmlhttp.responseText;
+				}
 				Zotero.debug(msg, 1);
-				Zotero.debug(xmlhttp.responseText, 1);
 				deferred.reject(new Zotero.HTTP.UnexpectedStatusException(xmlhttp, msg));
 			}
 		};