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From Flavio Junqueira <...@apache.org>
Subject Re: unexpected server response ZRUNTIMEINCONSISTENCY
Date Thu, 07 Jul 2016 07:23:41 GMT
This is being discussed in ZOOKEEPER-2455, yes?

-Flavio

> On 06 Jul 2016, at 23:46, svk <shreyasvin@gmail.com> wrote:
> 
> +1. I have also observed this. I currently deal with it by retrying the
> operation when I get ZRUNTIMEINCONSISTENCY. If this is the recommended
> procedure, maybe we should update the documentation.
> 
> Thanks and regards,
> Shreyas Vinayakumar
> 
> On Mon, Jun 27, 2016 at 10:52 PM, Pradeepa Kumar <cdpradeepa@gmail.com>
> wrote:
> 
>> Re-posting this query again as have not got this issue resolved.
>> 
>> Appreciate your comments on this query.
>> 
>> Hi Folks,
>> 
>> 
>> I am hitting an error in my C client code and below are the set of
>> operations I perform: 1. Zookeeper Client connected to Zookeeper server S1
>> and a new server S2 gets added. 2. monitor zookeeper server config at the
>> client and on change of server config, call zoo_set_server from the client
>> 3. client can issue operations like zoo_get just after the call to
>> zoo_set_servers 4. I can see that the zookeeper thread logs connect to the
>> new server just after the zoo_get call 2016-04-11
>> 03:46:50,655:1207(0xf26ffb40):ZOO_INFO@check_events@2345: initiated
>> connection to server [128.0.0.5:61728] 2016-04-11
>> 03:46:50,658:1207(0xf26ffb40):ZOO_INFO@check_events@2397: session
>> establishment complete on server [128.0.0.5:61728],
>> sessionId=0x4000001852c000c, negotiated timeout=20000 5. Some times I find
>> errors like below: 2016-04-11
>> 03:46:50,662:1207(0xf26ffb40):ZOO_ERROR@handle_socket_error_msg@2923:
>> Socket [128.0.0.5:61728] zk retcode=-2, errno=115(Operation now in
>> progress): unexpected server response: expected 0x570b82fa, but received
>> 0x570b82f9 1. zoo_get returns (-2) indicating that ZRUNTIMEINCONSISTENCY<
>> 
>> http://zookeeper.sourcearchive.com/documentation/3.2.2plus-pdfsg3/zookeeper_8h_bb1a0a179f313b2e44ee92369c438a4c.html#bb1a0a179f313b2e44ee92369c438a4c9eabb281ab14c74db3aff9ab456fa7fe
>>> 
>> What is the issue here? should I be retry the operation zoo_get operation?
>> Or should I wait for the zoo_set_server to complete (like wait for the
>> connection establishment notification) Thanks,
>> 


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