[jira] [Created] (HADOOP-13765) Return HomeDirectory if possible in SFTPFileSystem

["Yuhao Bi (JIRA)" <ji...@apache.org>]

Yuhao Bi created HADOOP-13765:
---------------------------------

             Summary: Return HomeDirectory if possible in SFTPFileSystem
                 Key: HADOOP-13765
                 URL: https://issues.apache.org/jira/browse/HADOOP-13765
             Project: Hadoop Common
          Issue Type: Bug
          Components: fs
            Reporter: Yuhao Bi


In SFTPFileSystem#getHomeDirectory(), we disconnect the ChannelSftp in finally block.
If we get the homeDir Path successfully but got an IOE in the finally block we will return the null result.
Maybe we can simply ignore this IOE and just return the result we have got.Related codes are shown below.
{code:title=SFTPFileSystem.java|borderStyle=solid}
  public Path getHomeDirectory() {
    ChannelSftp channel = null;
    try {
      channel = connect();
      Path homeDir = new Path(channel.pwd());
      return homeDir;
    } catch (Exception ioe) {
      return null;
    } finally {
      try {
        disconnect(channel);
      } catch (IOException ioe) {
        //May be we can just ignore this IOE
        return null;
      }
    }
  }
{code}



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