Re: ZEO client hangs at "Testing Connection" and does not receive handshake

On Wed, Mar 29, 2017 at 7:25 AM, Sanjay Rao <[email protected]> wrote:

> Hi,
>
> I have a ZODB based application, This application connects to a ZEO server.
> Master process of this application, forks few sub processes which all
> connect to same ZEO server.
>

A single ZEO client connection can't be shared between processes. You need
to create the client after forking.

Jim



>
> In this case, my subprocesses hang at following stage:
>
> ------
>
> 2017-03-29T16:41:12 INFO ZEO.ClientStorage (*62465*) ClientStorage
> (pid=62477) created RW/normal for storage: '1'
>
> ------
>
> 2017-03-29T16:41:12 INFO ZEO.cache created temporary cache file '<fdopen>'
>
> ------
>
> 2017-03-29T16:41:12 INFO ZEO.ClientStorage (*62465*) Testing connection
> <ManagedClientConnection ('127.0.0.1', 8670)>
>
> ------
>
>
> *Interestingly 62465 is pid of master process and I do not know why this
> is appearing in subprocess's logs.*
>
> *I observed this problem on Mac*
>
> *Child processes do not receive hand shake*
>
>
>
> *Did anyone face this problem ?*
>
> *or *
>
> *any idea what could be the issue ?*
>
>
> Regards,
>
> Sanjay Rao
>
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-- 
Jim Fulton
http://jimfulton.info

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