Wellington Chevreuil created HDFS-12336:
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Summary: Listing encryption zones still fails when deleted EZ is
not a direct child of snapshottable directory
Key: HDFS-12336
URL: https://issues.apache.org/jira/browse/HDFS-12336
Project: Hadoop HDFS
Issue Type: Bug
Components: hdfs
Affects Versions: 3.0.0-alpha4
Reporter: Wellington Chevreuil
Assignee: Wellington Chevreuil
Priority: Minor
The fix proposed on HDFS-11197 didn't cover the scenario where the EZ deleted
but still under a snapshot is not a direct child of the snapshottable directory.
Here the code snippet proposed on HDFS-11197 that would avoid the error
reported by *hdfs crypto -listZones* when a deleted EZ is still under a given
snapshot:
{noformat}
INode lastINode = null;
if (inode.getParent() != null || inode.isRoot()) {
INodesInPath iip = dir.getINodesInPath(pathName, DirOp.READ_LINK);
lastINode = iip.getLastINode();
}
if (lastINode == null || lastINode.getId() != ezi.getINodeId()) {
continue;
}
{noformat}
It will ignore EZs when it's a direct child of a snapshot, because its parent
inode will be null, and it isn't the root inode. However, if the EZ is not
directly under snapshottable directory, its parent will not be null, and it
will pass this check, so it will fail further due *absolute path required*
validation error.
I would like to work on a fix that would also cover this scenario.
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