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https://issues.apache.org/jira/browse/HADOOP-10310?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aaron T. Myers updated HADOOP-10310:
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Attachment: HADOOP-10310.patch
Here's a simple patch which addresses the issue by initializing the
SaslRpcServer in the case that there is either a secret manager OR security is
enabled.
I tested this patch manually and confirmed that it works as expected. Without
it, I cannot format JNs with security enabled. With the patch, the JNs can be
formatted and work just fine.
> SaslRpcServer should be initialized even when no secret manager present
> -----------------------------------------------------------------------
>
> Key: HADOOP-10310
> URL: https://issues.apache.org/jira/browse/HADOOP-10310
> Project: Hadoop Common
> Issue Type: Bug
> Components: security
> Affects Versions: 2.3.0
> Reporter: Aaron T. Myers
> Assignee: Aaron T. Myers
> Priority: Blocker
> Attachments: HADOOP-10310.patch
>
>
> HADOOP-8983 made a change which caused the SaslRpcServer not to be
> initialized if there is no secret manager present. This works fine for most
> Hadoop daemons because they need a secret manager to do their business, but
> JournalNodes do not. The result of this is that JournalNodes are broken and
> will not handle RPCs in a Kerberos-enabled environment, since the
> SaslRpcServer will not be initialized.
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