Merge -r 1356329:1356330 from trunk to branch. FIXES: HDFS-3575

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1356332 13f79535-47bb-0310-9956-ffa450edef68

hadoop-hdfs-project/hadoop-hdfs-httpfs/src/main/java/org/apache/hadoop/fs/http/server/HttpFSExceptionProvider.java

@@ -91,7 +91,7 @@ public class HttpFSExceptionProvider extends ExceptionProvider {
     String path = MDC.get("path");
     String message = getOneLineMessage(throwable);
     AUDIT_LOG.warn("FAILED [{}:{}] response [{}] {}", new Object[]{method, path, status, message});
-    LOG.warn("[{}:{}] response [{}] {}", new Object[]{method, path, status, message, throwable});
+    LOG.warn("[{}:{}] response [{}] {}", new Object[]{method, path, status, message}, throwable);
   }
 
 }

hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt

@@ -245,6 +245,8 @@ Release 2.0.1-alpha - UNRELEASED
     block in a namenode and the reported block from a datanode do not match.
     (Ashish Singhi via szetszwo)
 
+    HDFS-3575. HttpFS does not log Exception Stacktraces (brocknoland via tucu)
+
   BREAKDOWN OF HDFS-3042 SUBTASKS
 
     HDFS-2185. HDFS portion of ZK-based FailoverController (todd)