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https://issues.apache.org/jira/browse/HADOOP-8554?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Eli Collins resolved HADOOP-8554.
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Resolution: Invalid
You're right, thanks for the explanation, I didn't realize the principal config
was server-side only. Also, the reason I hit this with webhdfs and not hftp is
that hftp doesn't support SPNEGO.
> KerberosAuthenticator should use the configured principal
> ---------------------------------------------------------
>
> Key: HADOOP-8554
> URL: https://issues.apache.org/jira/browse/HADOOP-8554
> Project: Hadoop Common
> Issue Type: Bug
> Components: security
> Affects Versions: 1.0.0, 2.0.0-alpha, 2.0.1-alpha, 3.0.0
> Reporter: Eli Collins
> Labels: security, webconsole
>
> In KerberosAuthenticator we construct the principal as follows:
> {code}
> String servicePrincipal = "HTTP/" + KerberosAuthenticator.this.url.getHost();
> {code}
> Seems like we should use the configured
> hadoop.http.authentication.kerberos.principal instead right?
> I hit this issue as a distcp using webhdfs://localhost fails because
> HTTP/localhost is not in the kerb DB but using webhdfs://eli-thinkpad works
> because HTTP/eli-thinkpad is (and is my configured principal). distcp using
> Hftp://localhost with the same config works so it looks like this check is
> webhdfs specific for some reason (webhdfs is using spnego and hftp is not?).
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