[jira] [Updated] (SPARK-14957) can't connect to Yarn Shuffle service due to it adopt the non-exists dir to store executors metas

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

     [ https://issues.apache.org/jira/browse/SPARK-14957?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

SuYan updated SPARK-14957:
--------------------------
    Description: 
It always adopt the first dir, and never test if the dir is exsit or can read or can write?

{code}
 private File findRegisteredExecutorFile(String[] localDirs) {
    for (String dir: localDirs) {
      File f = new File(new Path(dir).toUri().getPath(), "registeredExecutors.ldb");
      if (f.exists()) {
        return f;
      }
    }
    return new File(new Path(localDirs[0]).toUri().getPath(), "registeredExecutors.ldb");
  }
{code}

  was:
{code}
 private File findRegisteredExecutorFile(String[] localDirs) {
    for (String dir: localDirs) {
      File f = new File(new Path(dir).toUri().getPath(), "registeredExecutors.ldb");
      if (f.exists()) {
        return f;
      }
    }
    return new File(new Path(localDirs[0]).toUri().getPath(), "registeredExecutors.ldb");
  }
{code}


> can't connect to Yarn Shuffle service due to it adopt the non-exists dir to store executors metas
> -------------------------------------------------------------------------------------------------
>
>                 Key: SPARK-14957
>                 URL: https://issues.apache.org/jira/browse/SPARK-14957
>             Project: Spark
>          Issue Type: Bug
>          Components: YARN
>            Reporter: SuYan
>             Fix For: 1.6.2
>
>
> It always adopt the first dir, and never test if the dir is exsit or can read or can write?
> {code}
>  private File findRegisteredExecutorFile(String[] localDirs) {
>     for (String dir: localDirs) {
>       File f = new File(new Path(dir).toUri().getPath(), "registeredExecutors.ldb");
>       if (f.exists()) {
>         return f;
>       }
>     }
>     return new File(new Path(localDirs[0]).toUri().getPath(), "registeredExecutors.ldb");
>   }
> {code}



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