[jira] [Created] (HDFS-8607) TestFileCorruption doesn't work as expected

["Walter Su (JIRA)" <ji...@apache.org>]

Walter Su created HDFS-8607:
-------------------------------

             Summary: TestFileCorruption doesn't work as expected
                 Key: HDFS-8607
                 URL: https://issues.apache.org/jira/browse/HDFS-8607
             Project: Hadoop HDFS
          Issue Type: Bug
            Reporter: Walter Su
            Assignee: Walter Su


Although it passes, it's useless.
{code}
 77  File[] blocks = data_dir.listFiles();
 78  assertTrue("Blocks do not exist in data-dir", (blocks != null) && (blocks.length > 0));
 79  for (int idx = 0; idx < blocks.length; idx++) {
 80    if (!blocks[idx].getName().startsWith(Block.BLOCK_FILE_PREFIX)) {
 81      continue;
 82    }
 83    System.out.println("Deliberately removing file "+blocks[idx].getName());
 84    assertTrue("Cannot remove file.", blocks[idx].delete());
 85  }
{code}
blocks are located at finalized/subdir0/subdir0, but line 77 only returns "subdir0" because {{File.listFiles()}} is not recursive. So line 83~84 will never be excuted.



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