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https://issues.apache.org/jira/browse/HDFS-9254?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14971312#comment-14971312
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Arpit Agarwal edited comment on HDFS-9254 at 10/23/15 4:37 PM:
---------------------------------------------------------------
So yes it looks like at least the {{SaslRpcClient}} doesn't like principals
without a host component.
{code}
192.168.56.80:8485: Failed on local exception: java.io.IOException:
java.lang.IllegalArgumentException: Kerberos principal name does NOT have the
expected hostname part: [email protected]; Host Details : local host is:
"cm0.example.com/192.168.56.80"; destination host is: "cm0.example.com":8485;
at
org.apache.hadoop.hdfs.qjournal.client.QuorumException.create(QuorumException.java:81)
at
org.apache.hadoop.hdfs.qjournal.client.QuorumCall.rethrowException(QuorumCall.java:223)
at
org.apache.hadoop.hdfs.qjournal.client.QuorumJournalManager.hasSomeData(QuorumJournalManager.java:232)
at
org.apache.hadoop.hdfs.server.common.Storage.confirmFormat(Storage.java:899)
{code}
Whereas SecurityUtil handles them fine. We should be consistent. I'll file a
separate bug to fix the {{SaslRpcClient}}, and any other components I run into,
but also update the doc patch for now. Thanks for the catch.
was (Author: arpitagarwal):
So yes it looks like at least the Journal Node doesn't like principals without
a host component.
{code}
192.168.56.80:8485: Failed on local exception: java.io.IOException:
java.lang.IllegalArgumentException: Kerberos principal name does NOT have the
expected hostname part: [email protected]; Host Details : local host is:
"cm0.example.com/192.168.56.80"; destination host is: "cm0.example.com":8485;
at
org.apache.hadoop.hdfs.qjournal.client.QuorumException.create(QuorumException.java:81)
at
org.apache.hadoop.hdfs.qjournal.client.QuorumCall.rethrowException(QuorumCall.java:223)
at
org.apache.hadoop.hdfs.qjournal.client.QuorumJournalManager.hasSomeData(QuorumJournalManager.java:232)
at
org.apache.hadoop.hdfs.server.common.Storage.confirmFormat(Storage.java:899)
{code}
Whereas SecurityUtil handles them fine. We should be consistent. I'll file a
separate bug to fix the JN, and any other components I run into, but also
update the doc patch for now. Thanks for the catch.
> HDFS Secure Mode Documentation updates
> --------------------------------------
>
> Key: HDFS-9254
> URL: https://issues.apache.org/jira/browse/HDFS-9254
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: documentation
> Affects Versions: 2.7.1
> Reporter: Arpit Agarwal
> Assignee: Arpit Agarwal
> Attachments: HDFS-9254.01.patch
>
>
> Some Kerberos configuration parameters are not documented well enough.
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