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From: Patrick Hunt <phunt@apache.org>
Date: Mon, 4 Jun 2012 15:24:39 -0700
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Subject: Re: when the zookeeper Expired ,may I have to rebuild the watch on a
 znode?
To: user@zookeeper.apache.org
Cc: zookeeper-user@hadoop.apache.org
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On Mon, Jun 4, 2012 at 7:45 AM, iamct <qddxct@gmail.com> wrote:
>
> I set a watch on one znode=E3=80=82 A change happen=EF=BC=8Cthe service m=
y client had
> connected sent the =C2=A0packet =EF=BC=8Cbut this time=EF=BC=8Cmy client =
becomes partitioned from
> the ZK serving cluster=E3=80=82
> =C2=A0When my session reconnect,may I get the event=EF=BC=9F
>

Yes, you will get the notification when (if) the session eventually
reconnects to the service.

> I think it is not=E3=80=82
> but in the
> http://zookeeper.apache.org/doc/current/zookeeperProgrammers.html#ch_zkWa=
tches
> said =EF=BC=9A ZooKeeper provides an ordering guarantee: a client will ne=
ver see a
> change for which it has set a watch until it first sees the watch event.
>

That's correct. When the client reconnects you'll get any
notifications that you missed.

Patrick