HDFS-10590: Fix TestReconstructStripedBlocks.testCountLiveReplicas test failures. Contributed by Rakesh R

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

@@ -514,6 +514,8 @@ static void verifyParityBlocks(Configuration conf, final long size,
   public static LocatedBlocks waitForReconstructionFinished(Path file,
                                   DistributedFileSystem fs, int groupSize)
       throws Exception {
+    LOG.info("Waiting for reconstruction to be finished for the file:" + file
+        + ", groupSize:" + groupSize);
     final int attempts = 60;
     for (int i = 0; i < attempts; i++) {
       LocatedBlocks locatedBlocks = getLocatedBlocks(file, fs);

hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestReconstructStripedBlocks.java

@@ -303,6 +303,8 @@ public void testCountLiveReplicas() throws Exception {
 
       // check if NN can detect the missing internal block and finish the
       // reconstruction
+      StripedFileTestUtil.waitForReconstructionFinished(filePath, fs,
+          GROUP_SIZE);
       boolean reconstructed = false;
       for (int i = 0; i < 5; i++) {
         NumberReplicas num = null;