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From "Steve Loughran (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-14636) TestKDiag failing intermittently on Jenkins/Yetus at login from keytab
Date Sat, 08 Jul 2017 11:41:01 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-14636?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Steve Loughran updated HADOOP-14636:
    Attachment: output.txt

Attached: fulll test output.

Looks like there isn't a foo@example.com file in the keytab, which would of course explain
why the keytab login failed.

(side issue, {{java.library.path}} has an unexpanded env var in it; assume unrelated, but
possibly of interest to [~aw].

java.library.path = "${env.LD_LIBRARY_PATH}:/testptch/hadoop/hadoop-common-project/hadoop-common/target/native/target/usr/local/lib:/testptch/hadoop/hadoop-common-project/hadoop-common/../../hadoop-common-project/hadoop-common/target/native/target/usr/local/lib:/usr/java/packages/lib/amd64:/usr/lib64:/lib64:/lib:/usr/lib"

> TestKDiag failing intermittently on Jenkins/Yetus at login from keytab
> ----------------------------------------------------------------------
>                 Key: HADOOP-14636
>                 URL: https://issues.apache.org/jira/browse/HADOOP-14636
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: security, test
>    Affects Versions: 3.0.0-beta1
>            Reporter: Steve Loughran
>            Priority: Minor
>         Attachments: output.txt
> The test {{TestKDiag}} is failing intermittently on Yetus builds, 
> {code}
> org.apache.hadoop.security.KerberosAuthException: Login failure for user: foo@EXAMPLE.COM
from keytab /testptch/hadoop/hadoop-common-project/hadoop-common/target/keytab javax.security.auth.login.LoginException:
Unable to obtain password from user
> {code}
> The tests that fail are all trying to log in using a keytab just created, the JVM isn't
having any of it.
> Possible causes? I can think of a few to start with
> # keytab generation
> # keytab path parameter wrong
> # JVM isn't doing the login
> # some race condition
> # Host OS
> # Other environment issues (clock, network...)
> There's no recent changes in the kdiag or UGI code.
> The failure is intermittent, not surfacing for me (others?) locally, which which could
point at: JVM, host OS, race condition, other env  issues.

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