Steve Loughran created HADOOP-19176:
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Summary: S3A Xattr headers need hdfs-compatible prefix
Key: HADOOP-19176
URL: https://issues.apache.org/jira/browse/HADOOP-19176
Project: Hadoop Common
Issue Type: Sub-task
Components: fs/s3
Affects Versions: 3.3.6, 3.4.0
Reporter: Steve Loughran
x3a xattr list needs a prefix compatible with hdfs or existing code which tries
to copy attributes between stores can break
we need a prefix of {user/trusted/security/system/raw}.
now, problem: currently xattrs are used by the magic committer to propagate
file size progress; renaming the prefix will break existing code. But as it's
read only we could modify spark to look for both old and new values.
{code}
org.apache.hadoop.HadoopIllegalArgumentException: An XAttr name must be
prefixed with user/trusted/security/system/raw, followed by a '.'
at org.apache.hadoop.hdfs.XAttrHelper.buildXAttr(XAttrHelper.java:77)
at org.apache.hadoop.hdfs.DFSClient.setXAttr(DFSClient.java:2835)
at
org.apache.hadoop.hdfs.DistributedFileSystem$59.doCall(DistributedFileSystem.java:3106)
at
org.apache.hadoop.hdfs.DistributedFileSystem$59.doCall(DistributedFileSystem.java:3102)
at
org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
at
org.apache.hadoop.hdfs.DistributedFileSystem.setXAttr(DistributedFileSystem.java:3115)
at org.apache.hadoop.fs.FileSystem.setXAttr(FileSystem.java:3097)
{code}
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