HDFS-813. Stop lease checker in TestReadWhileWriting.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/hdfs/trunk@889086 13f79535-47bb-0310-9956-ffa450edef68

CHANGES.txt

@@ -558,6 +558,8 @@ Release 0.21.0 - Unreleased
 
     HDFS-192. Fix TestBackupNode failures. (shv)
 
+    HDFS-813. Stop lease checker in TestReadWhileWriting.  (szetszwo)
+
 Release 0.20.2 - Unreleased
 
   IMPROVEMENTS

src/test/hdfs/org/apache/hadoop/hdfs/TestReadWhileWriting.java

@@ -83,6 +83,8 @@ public class TestReadWhileWriting {
       //b. On another machine M2, open file and verify that the half-block
       //   of data can be read successfully.
       checkFile(p, half, conf);
+      AppendTestUtil.LOG.info("leasechecker.interruptAndJoin()");
+      ((DistributedFileSystem)fs).dfs.leasechecker.interruptAndJoin();
 
       //c. On M1, append another half block of data.  Close file on M1.
       {