From 7964d20c232ffd837b6c0ae3598312df08f41ebe Mon Sep 17 00:00:00 2001
From: Florent Vilmart <florentvilmart@me.com>
Date: Sat, 3 Sep 2016 09:49:11 -0400
Subject: [PATCH 1/2] Reproduction of #2639

---
 spec/WinstonLoggerAdapter.spec.js | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/spec/WinstonLoggerAdapter.spec.js b/spec/WinstonLoggerAdapter.spec.js
index fa813756f1..b739c0270f 100644
--- a/spec/WinstonLoggerAdapter.spec.js
+++ b/spec/WinstonLoggerAdapter.spec.js
@@ -16,11 +16,19 @@ describe('info logs', () => {
         }, (results) => {
           if (results.length == 0) {
             fail('The adapter should return non-empty results');
-            done();
           } else {
             expect(results[0].message).toEqual('testing info logs');
-            done();
           }
+          // Check the error log
+          // Regression #2639
+          winstonLoggerAdapter.query({
+            from: new Date(Date.now() - 500),
+            size: 100,
+            level: 'error'
+          }, (results) => {
+            expect(results.length).toEqual(0);
+            done();
+          });
         });
       });
     });

From dd4c22bd770f07ebe70b21c75e74e20ea62af56e Mon Sep 17 00:00:00 2001
From: Florent Vilmart <florentvilmart@me.com>
Date: Sat, 3 Sep 2016 09:49:40 -0400
Subject: [PATCH 2/2] Make sure the error level options is enforced

---
 src/Adapters/Logger/WinstonLogger.js | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/src/Adapters/Logger/WinstonLogger.js b/src/Adapters/Logger/WinstonLogger.js
index 2015908b30..29d4a07ca7 100644
--- a/src/Adapters/Logger/WinstonLogger.js
+++ b/src/Adapters/Logger/WinstonLogger.js
@@ -18,16 +18,15 @@ function updateTransports(options) {
       delete transports['parse-server-error'];
     } else if (!_.isUndefined(options.dirname)) {
       transports['parse-server'] = new (DailyRotateFile)(
-        Object.assign({
+        Object.assign({}, {
           filename: 'parse-server.info',
           name: 'parse-server',
         }, options));
       transports['parse-server-error'] = new (DailyRotateFile)(
-        Object.assign({
+        Object.assign({}, {
           filename: 'parse-server.err',
           name: 'parse-server-error',
-          level: 'error'
-        }, options));
+        }, options, { level: 'error'}));
     }
 
     transports.console = new (winston.transports.Console)(