[jira] [Commented] (HADOOP-15409) S3AFileSystem.verifyBucketExists to move to s3.doesBucketExistV2

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HADOOP-15409?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16567942#comment-16567942 ] 

ASF GitHub Bot commented on HADOOP-15409:
-----------------------------------------

Github user lqjack commented on a diff in the pull request:

    https://github.com/apache/hadoop/pull/367#discussion_r207473548
  
    --- Diff: hadoop-tools/hadoop-aws/src/test/java/org/apache/hadoop/fs/s3a/ITestS3ABlocksize.java ---
    @@ -80,4 +82,14 @@ public void testRootFileStatusHasBlocksize() throws Throwable {
             status.getBlockSize() >= 0);
       }
     
    +  @Test
    +  public void testVerifyBucketExists() {
    +    S3AFileSystem fs = getFileSystem();
    +    try {
    +      fs.verifyBucketExists();
    +    } catch (IOException e) {
    +      fail(e.getMessage());
    --- End diff --
    
    Ok， I will update the test case.  


> S3AFileSystem.verifyBucketExists to move to s3.doesBucketExistV2
> ----------------------------------------------------------------
>
>                 Key: HADOOP-15409
>                 URL: https://issues.apache.org/jira/browse/HADOOP-15409
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: fs/s3
>    Affects Versions: 3.1.0
>            Reporter: Steve Loughran
>            Priority: Blocker
>
> in S3AFileSystem.initialize(), we check for the bucket existing with verifyBucketExists(), which calls s3.doesBucketExist(). But that doesn't check for auth issues. 
> s3. doesBucketExistV2() does at least validate credentials, and should be switched to. This will help things fail faster 
> See SPARK-24000



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