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From Enrico Olivelli <eolive...@gmail.com>
Subject Re: concept question for zookeeper
Date Sun, 15 Jul 2018 16:37:42 GMT
Il dom 15 lug 2018, 18:09 ZongtianHou <zongtianhou@icloud.com.invalid> ha
scritto:

> Yes, it have a detailed guide about how to install and start, program with
> APIs, but the basic concept and theory seem too short for me. So, I wonder
> if I have set up kerberos for it in order to use it in a secured hdfs
> cluster and I keep get error in SASL authentication, the log is below
> java.io.IOException: Could not configure server because SASL configuration
> did not allow the  ZooKeeper server to authenticate itself properly:
> javax.security.auth.login.LoginException: No password provided
>

So your problem is mostly about configuring HDFS?
Kerberos/SASL config is only a matter of setting jaas.conf and the keytabs,
I don't know how to give good referenced for HDFS

Your error seems mostly a problem with bad keytab configuration

Enrico


> On 15 Jul 2018, at 11:23 PM, Enrico Olivelli <eolivelli@gmail.com> wrote:
> >
> > Hi,
> > Did you check the docs on zookeeper.apache.org ?
> >
> > Cheers
> > Ebr
> >
> > Il dom 15 lug 2018, 17:02 ZongtianHou <zongtianhou@icloud.com.invalid>
> ha
> > scritto:
> >
> >> Hi,everyone:
> >> I am new to zookeeper, I have set up kerberos for a hdfs cluster, I want
> >> to know if I have to set up kerberos for zookeeper if I want to use it
> in
> >> the secured hdfs cluster. And, if there is a document which explain the
> >> concept and theory  in zookeeper, like learner, server, follower, and
> how
> >> they work with each other to achieve the distribution coordination, how
> can
> >> I change their behaviour with conf files, since the overview in official
> >> site is quite simple and quick jump into the API. Thanks very much for
> some
> >> clues!!
> >
> > --
> >
> >
> > -- Enrico Olivelli
>
> --


-- Enrico Olivelli

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