Mailing-List: contact user-help@zookeeper.apache.org; run by ezmlm
Precedence: bulk
Reply-To: user@zookeeper.apache.org
MIME-Version: 1.0
In-Reply-To: <CAAUywg_+j2NpQQa+riXtCCQjFR+vvbrRzz02o0sw3J5x8i+L7w@mail.gmail.com>
References: <CAAUywg8g1NY8PC7q4GL7KotL7c6VFwj-4NbKF8DFQPeseU+OzQ@mail.gmail.com>
 <16A65B7F-C76F-4521-8064-66762E1EEFDA@jordanzimmerman.com> <CAAUywg_+j2NpQQa+riXtCCQjFR+vvbrRzz02o0sw3J5x8i+L7w@mail.gmail.com>
From: Patrick Hunt <phunt@apache.org>
Date: Wed, 27 Sep 2017 11:29:40 -0700
Message-ID: <CANLc_9+URyrprpvA+4EX3GeUXKRixfXHn1rVMpeANGvSMWzxag@mail.gmail.com>
Subject: Re: Node can be created and listed, but not updated or deleted
To: UserZooKeeper <user@zookeeper.apache.org>
Content-Type: multipart/alternative; boundary="94eb2c0d9e18f4aff1055a2ffbe4"
archived-at: Wed, 27 Sep 2017 18:30:25 -0000

--94eb2c0d9e18f4aff1055a2ffbe4
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

I spun up a 3.4.10 zk server (standalone) and tried to reproduce the issue
- the delete works fine for me. Perhaps the length is a red herring (or I
had some other diff I didn't notice) and it's something else?

zk: localhost:2181(CONNECTED) 12] ls
/dddddd/rrrrrrrrr-rrrrrrrr/mmmmmmm/ttttttt/wwwwww.ccccccccc.hhhhh-hhhhhhh$q=
qq.qqqqqqqq-qqqqqqQqqqqqq2
[wwwwww-dddddd-kkkkkkkkk-0_wwwwww-dddddd-kkkkkkkkk_nnnnnnn_nnn_mmmmmmm_mmmm=
m$887960620903477545]
[zk: localhost:2181(CONNECTED) 13] ls
/dddddd/rrrrrrrrr-rrrrrrrr/mmmmmmm/ttttttt/wwwwww.ccccccccc.hhhhh-hhhhhhh$q=
qq.qqqqqqqq-qqqqqqQqqqqqq2/wwwwww-dddddd-kkkkkkkkk-0_wwwwww-dddddd-kkkkkkkk=
k_nnnnnnn_nnn_mmmmmmm_mmmmm$887960620903477545
[]
[zk: localhost:2181(CONNECTED) 14] get
/dddddd/rrrrrrrrr-rrrrrrrr/mmmmmmm/ttttttt/wwwwww.ccccccccc.hhhhh-hhhhhhh$q=
qq.qqqqqqqq-qqqqqqQqqqqqq2/wwwwww-dddddd-kkkkkkkkk-0_wwwwww-dddddd-kkkkkkkk=
k_nnnnnnn_nnn_mmmmmmm_mmmmm$887960620903477545
foo
cZxid =3D 0x7
ctime =3D Wed Sep 27 11:24:56 PDT 2017
mZxid =3D 0x7
mtime =3D Wed Sep 27 11:24:56 PDT 2017
pZxid =3D 0x7
cversion =3D 0
dataVersion =3D 0
aclVersion =3D 0
ephemeralOwner =3D 0x0
dataLength =3D 3
numChildren =3D 0
[zk: localhost:2181(CONNECTED) 15] delete
/dddddd/rrrrrrrrr-rrrrrrrr/mmmmmmm/ttttttt/wwwwww.ccccccccc.hhhhh-hhhhhhh$q=
qq.qqqqqqqq-qqqqqqQqqqqqq2/wwwwww-dddddd-kkkkkkkkk-0_wwwwww-dddddd-kkkkkkkk=
k_nnnnnnn_nnn_mmmmmmm_mmmmm$887960620903477545
[zk: localhost:2181(CONNECTED) 16] ls
/dddddd/rrrrrrrrr-rrrrrrrr/mmmmmmm/ttttttt/wwwwww.ccccccccc.hhhhh-hhhhhhh$q=
qq.qqqqqqqq-qqqqqqQqqqqqq2/wwwwww-dddddd-kkkkkkkkk-0_wwwwww-dddddd-kkkkkkkk=
k_nnnnnnn_nnn_mmmmmmm_mmmmm$887960620903477545
Node does not exist:
/dddddd/rrrrrrrrr-rrrrrrrr/mmmmmmm/ttttttt/wwwwww.ccccccccc.hhhhh-hhhhhhh$q=
qq.qqqqqqqq-qqqqqqQqqqqqq2/wwwwww-dddddd-kkkkkkkkk-0_wwwwww-dddddd-kkkkkkkk=
k_nnnnnnn_nnn_mmmmmmm_mmmmm$887960620903477545
[zk: localhost:2181(CONNECTED) 17] get
/dddddd/rrrrrrrrr-rrrrrrrr/mmmmmmm/ttttttt/wwwwww.ccccccccc.hhhhh-hhhhhhh$q=
qq.qqqqqqqq-qqqqqqQqqqqqq2/wwwwww-dddddd-kkkkkkkkk-0_wwwwww-dddddd-kkkkkkkk=
k_nnnnnnn_nnn_mmmmmmm_mmmmm$887960620903477545
Node does not exist:
/dddddd/rrrrrrrrr-rrrrrrrr/mmmmmmm/ttttttt/wwwwww.ccccccccc.hhhhh-hhhhhhh$q=
qq.qqqqqqqq-qqqqqqQqqqqqq2/wwwwww-dddddd-kkkkkkkkk-0_wwwwww-dddddd-kkkkkkkk=
k_nnnnnnn_nnn_mmmmmmm_mmmmm$887960620903477545

On Wed, Sep 27, 2017 at 3:09 AM, Stevo Slavi=C4=87 <sslavic@gmail.com> wrot=
e:

> In ZK shell:
>
> ls
> /dddddd/rrrrrrrrr-rrrrrrrr/mmmmmmm/ttttttt/wwwwww.
> ccccccccc.hhhhh-hhhhhhh$qqq.qqqqqqqq-qqqqqqQqqqqqq2
> [wwwwww-dddddd-kkkkkkkkk-0_wwwwww-dddddd-kkkkkkkkk_
> nnnnnnn_nnn_mmmmmmm_mmmmm$887960620903477545]
>
> get
> /dddddd/rrrrrrrrr-rrrrrrrr/mmmmmmm/ttttttt/wwwwww.
> ccccccccc.hhhhh-hhhhhhh$qqq.qqqqqqqq-qqqqqqQqqqqqq2/
> wwwwww-dddddd-kkkkkkkkk-0_wwwwww-dddddd-kkkkkkkkk_
> nnnnnnn_nnn_mmmmmmm_mmmmm$887960620903477545
> BBBB_BBBBBBBB
> cZxid =3D 0x432e7
> ctime =3D Fri Sep 22 14:51:22 CEST 2017
> mZxid =3D 0x432e7
> mtime =3D Fri Sep 22 14:51:22 CEST 2017
> pZxid =3D 0x432e7
> cversion =3D 0
> dataVersion =3D 0
> aclVersion =3D 0
> ephemeralOwner =3D 0x0
> dataLength =3D 13
> numChildren =3D 0
>
> delete
> /dddddd/rrrrrrrrr-rrrrrrrr/mmmmmmm/ttttttt/wwwwww.
> ccccccccc.hhhhh-hhhhhhh$qqq.qqqqqqqq-qqqqqqQqqqqqq2/
> wwwwww-dddddd-kkkkkkkkk-0_wwwwww-dddddd-kkkkkkkkk_
> nnnnnnn_nnn_mmmmmmm_mmmmm$887960620903477545
> Node does not exist:
> /dddddd/rrrrrrrrr-rrrrrrrr/mmmmmmm/ttttttt/wwwwww.
> ccccccccc.hhhhh-hhhhhhh$qqq.qqqqqqqq-qqqqqqQqqqqqq2/
> wwwwww-dddddd-kkkkkkkkk-0_wwwwww-dddddd-kkkkkkkkk_
> nnnnnnn_nnn_mmmmmmm_mmmmm$887960620903477545
>
>
> From one of ZK server logs:
> 2017-09-27 11:07:19,654 [myid:3] - INFO  [ProcessThread(sid:3
> cport:-1)::PrepRequestProcessor@648] - Got user-level KeeperException whe=
n
> processing sessionid:0x15ec269280a000a type:delete cxid:0x73e
> zxid:0xc00000017 txntype:-1 reqpath:n/a Error
> Path:/dddddd/rrrrrrrrr-rrrrrrrr/mmmmmmm/ttttttt/wwwwww.ccccccccc.hhhhh-
> hhhhhhh$qqq.qqqqqqqq-qqqqqqQqqqqqq2/wwwwww-dddddd-
> kkkkkkkkk-0_wwwwww-dddddd-kkkkkkkkk_nnnnnnn_nnn_mmmmmmm_
> mmmmm$887960620903477545
> Error:KeeperErrorCode =3D NoNode for
> /dddddd/rrrrrrrrr-rrrrrrrr/mmmmmmm/ttttttt/wwwwww.
> ccccccccc.hhhhh-hhhhhhh$qqq.qqqqqqqq-qqqqqqQqqqqqq2/
> wwwwww-dddddd-kkkkkkkkk-0_wwwwww-dddddd-kkkkkkkkk_
> nnnnnnn_nnn_mmmmmmm_mmmmm$887960620903477545
>
> On Mon, Sep 25, 2017 at 4:36 PM, Jordan Zimmerman <
> jordan@jordanzimmerman.com> wrote:
>
> > There's no internal limit on path lengths. Can you post a sample showin=
g
> > the problem?
> >
> > -Jordan
> >
> > > On Sep 25, 2017, at 3:53 AM, Stevo Slavi=C4=87 <sslavic@gmail.com> wr=
ote:
> > >
> > > Hello Apache ZooKeeper community,
> > >
> > > While on 3.4.10 I just experienced odd issue with a node that has
> > > relatively lengthy path. It was created and had data stored. In the
> > shell I
> > > could list it and retrieve the data. Problem is that the attempt from
> the
> > > app to update the data as well as attempt from the shell to delete th=
e
> > node
> > > would fail with NoNode.
> > >
> > > Path length (with separators) is 190 characters, and longest path
> > segment /
> > > node name is 95 characters long.
> > >
> > > After shortening some of the prefixes for few path segments, keeping
> > > everything else same, it started working properly.
> > >
> > > Is there a limit on max path length and max path segment / node name
> > length?
> > > If so, why is creation passing and update/deletion fails? Is it a kno=
wn
> > > issue?
> > >
> > > Kind regards,
> > > Stevo Slavic.
> >
> >
>

--94eb2c0d9e18f4aff1055a2ffbe4--