[jira] [Created] (LUCENE-5351) DirectoryReader#close can throw AlreadyClosedException if it's and NRT reader

["Simon Willnauer (JIRA)" <ji...@apache.org>]

Simon Willnauer created LUCENE-5351:
---------------------------------------

             Summary: DirectoryReader#close can throw AlreadyClosedException if it's and NRT reader
                 Key: LUCENE-5351
                 URL: https://issues.apache.org/jira/browse/LUCENE-5351
             Project: Lucene - Core
          Issue Type: Bug
          Components: core/index
    Affects Versions: 4.6
            Reporter: Simon Willnauer
            Assignee: Simon Willnauer
             Fix For: 5.0, 4.7


in StandartDirectoryReader#doClose we do this:

{noformat}
   if (writer != null) {
      // Since we just closed, writer may now be able to
      // delete unused files:
      writer.deletePendingFiles();
    }
{noformat}

which can throw AlreadyClosedException from the directory if the Direcotory has already closed. To me this looks like a bug and we should catch this exception from the directory.



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