HDFS-2043. TestHFlush failing intermittently. Contributed by Lin Yiqun.

Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/2835f146
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/2835f146
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/2835f146

Branch: refs/heads/HDFS-1312
Commit: 2835f146b551f911ea13307e7762759813898757
Parents: 8d48266
Author: Masatake Iwasaki <[email protected]>
Authored: Fri May 6 15:36:47 2016 +0900
Committer: Masatake Iwasaki <[email protected]>
Committed: Fri May 6 15:36:47 2016 +0900

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 .../src/test/java/org/apache/hadoop/hdfs/TestHFlush.java  | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)
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http://git-wip-us.apache.org/repos/asf/hadoop/blob/2835f146/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestHFlush.java
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diff --git 
a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestHFlush.java
 
b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestHFlush.java
index 1846cc9..ce49f69 100644
--- 
a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestHFlush.java
+++ 
b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestHFlush.java
@@ -485,8 +485,14 @@ public class TestHFlush {
         // If we got the exception, we shouldn't have interrupted status 
anymore.
         assertFalse(Thread.interrupted());
 
-        // Now do a successful close.
-        stm.close();
+        // Do the try-catch in the second stm.close() avoid that streamer was 
already
+        // closed in other places.
+        try {
+          // Now do a successful close.
+          stm.close();
+        } catch (IOException e) {
+          System.out.println("Got expected exception during second close");
+        }
       }
 
 


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