Todd Lipcon created HADOOP-8410:
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Summary: SPNEGO filter should have better error messages when not
fully configured
Key: HADOOP-8410
URL: https://issues.apache.org/jira/browse/HADOOP-8410
Project: Hadoop Common
Issue Type: Bug
Components: security
Affects Versions: 2.0.0
Reporter: Todd Lipcon
Priority: Minor
I upgraded to a build which includes SPNEGO, but neglected to configure
dfs.web.authentication.kerberos.principal. This resulted in the following error:
12/05/18 14:46:20 INFO server.KerberosAuthenticationHandler: Login using keytab
//home/todd/confs/conf.pseudo.security//hdfs.keytab, for principal
${dfs.web.authentication.kerberos.principal}
12/05/18 14:46:20 WARN mortbay.log: failed SpnegoFilter:
javax.servlet.ServletException: javax.security.auth.login.LoginException:
Unable to obtain password from user
Instead, it should give an error that the principal needs to be configured.
Even better would be if we could default to HTTP/_HOST@<default realm>
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