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From z..@apache.org
Subject hadoop git commit: HDFS-8368. Erasure Coding: DFS opening a non-existent file need to be handled properly. Contributed by Rakesh R.
Date Tue, 12 May 2015 21:31:45 GMT
Repository: hadoop
Updated Branches:
  refs/heads/HDFS-7285 4e528be3b -> 95205a31f


HDFS-8368. Erasure Coding: DFS opening a non-existent file need to be handled properly. Contributed
by Rakesh R.


Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/95205a31
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/95205a31
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/95205a31

Branch: refs/heads/HDFS-7285
Commit: 95205a31fc1f334bb2b55095444198b1a83b9ca4
Parents: 4e528be
Author: Zhe Zhang <zhz@apache.org>
Authored: Tue May 12 14:31:28 2015 -0700
Committer: Zhe Zhang <zhz@apache.org>
Committed: Tue May 12 14:31:28 2015 -0700

----------------------------------------------------------------------
 .../hadoop-hdfs/CHANGES-HDFS-EC-7285.txt                |  3 +++
 .../src/main/java/org/apache/hadoop/hdfs/DFSClient.java | 12 +++++++-----
 2 files changed, 10 insertions(+), 5 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/hadoop/blob/95205a31/hadoop-hdfs-project/hadoop-hdfs/CHANGES-HDFS-EC-7285.txt
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/CHANGES-HDFS-EC-7285.txt b/hadoop-hdfs-project/hadoop-hdfs/CHANGES-HDFS-EC-7285.txt
index f026a5c..79ad208 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/CHANGES-HDFS-EC-7285.txt
+++ b/hadoop-hdfs-project/hadoop-hdfs/CHANGES-HDFS-EC-7285.txt
@@ -201,3 +201,6 @@
 
     HDFS-8372. Erasure coding: compute storage type quotas for striped files,
     to be consistent with HDFS-8327. (Zhe Zhang via jing9)
+
+    HDFS-8368. Erasure Coding: DFS opening a non-existent file need to be 
+    handled properly (Rakesh R via zhz)

http://git-wip-us.apache.org/repos/asf/hadoop/blob/95205a31/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSClient.java
----------------------------------------------------------------------
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSClient.java
b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSClient.java
index 1942bc9..471a14d 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSClient.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSClient.java
@@ -1188,12 +1188,14 @@ public class DFSClient implements java.io.Closeable, RemotePeerFactory,
     //    Get block info from namenode
     TraceScope scope = getPathTraceScope("newDFSInputStream", src);
     try {
-      ECSchema schema = getFileInfo(src).getECSchema();
-      if (schema != null) {
-        return new DFSStripedInputStream(this, src, verifyChecksum, schema);
-      } else {
-        return new DFSInputStream(this, src, verifyChecksum);
+      HdfsFileStatus fileInfo = getFileInfo(src);
+      if (fileInfo != null) {
+        ECSchema schema = fileInfo.getECSchema();
+        if (schema != null) {
+          return new DFSStripedInputStream(this, src, verifyChecksum, schema);
+        }
       }
+      return new DFSInputStream(this, src, verifyChecksum);
     } finally {
       scope.close();
     }


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