From 6f7ce842c015fedb30ec762caeb37a64e8258c4a Mon Sep 17 00:00:00 2001
From: Colin Patrick Mccabe <cmccabe@cloudera.com>
Date: Wed, 5 Nov 2014 10:51:49 -0800
Subject: [PATCH] HDFS-7199. DFSOutputStream should not silently drop data if
 DataStreamer crashes with an unchecked exception (rushabhs via cmccabe)
 (cherry picked from commit 56257fab1d5a7f66bebd9149c7df0436c0a57adb)

---
 hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt                    | 3 +++
 .../src/main/java/org/apache/hadoop/hdfs/DFSOutputStream.java  | 2 ++
 2 files changed, 5 insertions(+)

diff --git a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
index f420e2e47f3..d148b86abae 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
+++ b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
@@ -145,6 +145,9 @@ Release 2.7.0 - UNRELEASED
     HDFS-7324. haadmin command usage prints incorrect command name.
     (Brahma Reddy Battula via suresh)
 
+    HDFS-7199.  DFSOutputStream should not silently drop data if DataStreamer
+    crashes with an unchecked exception (rushabhs via cmccabe)
+
 Release 2.6.0 - UNRELEASED
 
   INCOMPATIBLE CHANGES
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSOutputStream.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSOutputStream.java
index 6cbf27a7099..92dbc8ebed7 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSOutputStream.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSOutputStream.java
@@ -692,6 +692,8 @@ public class DFSOutputStream extends FSOutputSummer
           }
           if (e instanceof IOException) {
             setLastException((IOException)e);
+          } else {
+            setLastException(new IOException("DataStreamer Exception: ",e));
           }
           hasError = true;
           if (errorIndex == -1 && restartingNodeIndex == -1) {