Revert HDFS-3719. See discussion there and HDFS-3770 for more info.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1372544 13f79535-47bb-0310-9956-ffa450edef68

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

@@ -570,9 +570,6 @@ Branch-2 ( Unreleased changes )
     HDFS-3756. DelegationTokenFetcher creates 2 HTTP connections, the second 
     one not properly configured. (tucu)
 
-    HDFS-3719. Re-enable append-related tests in TestFileConcurrentReader.
-    (Andrew Wang via atm)
-
     HDFS-3579. libhdfs: fix exception handling. (Colin Patrick McCabe via atm)
 
     HDFS-3754. BlockSender doesn't shutdown ReadaheadPool threads. (eli)

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestFileConcurrentReader.java

@@ -288,8 +288,10 @@ public class TestFileConcurrentReader {
     runTestUnfinishedBlockCRCError(true, SyncType.SYNC, SMALL_WRITE_SIZE);
   }
 
+  // fails due to issue w/append, disable 
+  @Ignore
   @Test
-  public void testUnfinishedBlockCRCErrorTransferToAppend()
+  public void _testUnfinishedBlockCRCErrorTransferToAppend()
     throws IOException {
     runTestUnfinishedBlockCRCError(true, SyncType.APPEND, DEFAULT_WRITE_SIZE);
   }
@@ -305,8 +307,10 @@ public class TestFileConcurrentReader {
     runTestUnfinishedBlockCRCError(false, SyncType.SYNC, SMALL_WRITE_SIZE);
   }
 
+  // fails due to issue w/append, disable 
+  @Ignore
   @Test
-  public void testUnfinishedBlockCRCErrorNormalTransferAppend()
+  public void _testUnfinishedBlockCRCErrorNormalTransferAppend()
     throws IOException {
     runTestUnfinishedBlockCRCError(false, SyncType.APPEND, DEFAULT_WRITE_SIZE);
   }