You're right. Ben, would you mind entering a JIRA?


On 05/12/2010 11:41 AM, Benjamin Reed wrote:
is this a bug? shouldn't we be returning an error.


On 05/12/2010 11:34 AM, Patrick Hunt wrote:
I think that explains it then - the server is probably dropping the new
(3.3.0) "getChildren" message (xid 7) as it (3.2.2 server) doesn't know
about that message type. Then the server responds to the client for a
subsequent operation (xid 8), and at that point the client notices that
getChildren (xid 7) got lost.


On 05/12/2010 11:30 AM, Jordan Zimmerman wrote:
Oh, OK. When I get a moment I'll restart the 3.2.2 and post logs,

Yes, we're calling getChildren with the callback.


On May 12, 2010, at 11:28 AM, Patrick Hunt wrote:

I'm still interested though... Are you using the new "getChildren"
api that was added to the client in 3.3.0? (it provides a Stat
object on return, the old getChildren did not). While we don't
officially support 3.3.0 client with 3.2.2 server (we do support
the other way around), there shouldn't be they type of problem with
this configuration as you describe. I'd still be interested for you
to create that jira.



On 05/12/2010 11:23 AM, Jordan Zimmerman wrote:

I thought I was running 3.3.0 server, but was running 3.2.2
server with 3.3.0 client. I upgraded the server and now all works
again. Sorry to trouble y'all.


On May 12, 2010, at 11:11 AM, Patrick Hunt wrote:

Hi Jordan, you've seen this once or frequently? (having the
server + client logs will help alot)


On 05/12/2010 11:08 AM, Jordan Zimmerman wrote:
Sure - if you think it's a bug.

We were using Zookeeper without issue. I then refactored a
bunch of code and this new behavior started. I'm starting ZK
using "zkServer start" and haven't made any changes to the
code at all.

I'll get the logs together and post a JIRA.


On May 12, 2010, at 10:59 AM, Mahadev Konar wrote:

Hi Jordan, Can you create a jira for this? And attach all
the server logs and client logs related to this timeline?
How did you start up the servers? Is there some changes you
might have made accidentatlly to the servers?

Thanks mahadev

On 5/12/10 10:49 AM, "Jordan
Zimmerman"<> wrote:

We've just started seeing an odd error and are having
trouble determining the cause. "Xid out of order. Got 8
expected 7" Any hints on what can cause this? Any ideas
on how to debug?

We're using ZK 3.3.0. The error occurs in line 781


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