[jira] [Created] (HADOOP-14707) AbstractContractDistCpTest to test attr preservation with -p, verify blobstores downgrade

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

Steve Loughran created HADOOP-14707:
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             Summary: AbstractContractDistCpTest to test attr preservation with -p, verify blobstores downgrade
                 Key: HADOOP-14707
                 URL: https://issues.apache.org/jira/browse/HADOOP-14707
             Project: Hadoop Common
          Issue Type: Improvement
          Components: fs, fs/azure, fs/s3, test, tools/distcp
    Affects Versions: 2.9.0
            Reporter: Steve Loughran
            Priority: Minor


It *may* be that trying to use {{distcp -p}} with S3a triggers a stack trace 
{code}
java.lang.UnsupportedOperationException: S3AFileSystem doesn't support getXAttrs 
at org.apache.hadoop.fs.FileSystem.getXAttrs(FileSystem.java:2559) 
at org.apache.hadoop.tools.util.DistCpUtils.toCopyListingFileStatus(DistCpUtils.java:322) 
{code}

Add a test to {{AbstractContractDistCpTest}} to verify that this is handled better. What is "handle better" here? Either ignore the option or fail with "don't do that" text



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