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https://issues.apache.org/jira/browse/HDFS-6629?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14052927#comment-14052927
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Uma Maheswara Rao G commented on HDFS-6629:
-------------------------------------------
I think, as Xattrs not supported on symlinks, we should have check on inode
that if inode is not a symlink then only we should try dealing with xattrs as
that inode might not have added with any crypto zone related xattr.
{code}
final XAttrFeature xaf = inode.getXAttrFeature();
if (xaf != null) {
final List<XAttr> xattrs = xaf.getXAttrs();
for (XAttr xattr : xattrs) {
final String xaName = XAttrHelper.getPrefixName(xattr);
if (CRYPTO_XATTR_ENCRYPTION_ZONE.equals(xaName)) {
encryptionZones.put(inode.getId(),
new EncryptionZoneInt(new String(xattr.getValue()),
inode.getId()));
}
}
}
{code}
[~clamb], are you ok with this change? Please correct me if I did not follow it
correctly.
> Not able to create symlinks after HDFS-6516
> -------------------------------------------
>
> Key: HDFS-6629
> URL: https://issues.apache.org/jira/browse/HDFS-6629
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: namenode
> Reporter: Uma Maheswara Rao G
> Assignee: Uma Maheswara Rao G
> Fix For: fs-encryption (HADOOP-10150 and HDFS-6134)
>
>
> {noformat}
> java.lang.UnsupportedOperationException: XAttrs are not supported on symlinks
> at
> org.apache.hadoop.hdfs.server.namenode.INodeSymlink.getXAttrFeature(INodeSymlink.java:137)
> at
> org.apache.hadoop.hdfs.server.namenode.INode.getXAttrFeature(INode.java:192)
> at
> org.apache.hadoop.hdfs.server.namenode.FSDirectory.addToInodeMap(FSDirectory.java:2233)
> at
> org.apache.hadoop.hdfs.server.namenode.FSDirectory.addChild(FSDirectory.java:2137)
> at
> org.apache.hadoop.hdfs.server.namenode.FSDirectory.addLastINode(FSDirectory.java:2080)
> at
> org.apache.hadoop.hdfs.server.namenode.FSDirectory.addINode(FSDirectory.java:1900)
> at
> org.apache.hadoop.hdfs.server.namenode.FSDirectory.unprotectedAddSymlink(FSDirectory.java:2562)
> at
> org.apache.hadoop.hdfs.server.namenode.FSDirectory.addSymlink(FSDirectory.java:2550)
> at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.addSymlink(FSNamesystem.java:4768)
> at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.createSymlinkInt(FSNamesystem.java:2193)
> at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.createSymlink(FSNamesystem.java:2153)
> {noformat}
> Noticed from fs-encryption jenkins.
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