[zeromq-dev] ROUTER/DEALER doesn't work after ROUTER restart

Pieter Hintjens ph at imatix.com
Mon May 28 10:07:55 CEST 2012

I've confirmed the issue with a C test case:

On Sun, May 27, 2012 at 8:49 PM, MinRK <benjaminrk at gmail.com> wrote:
> The ROUTER/DEALER pattern doesn't work after the ROUTER restarts unless you
> restart the DEALER as well.
> Summary:
> 1. ROUTER binds, DEALER connects
> 2. ROUTER process restarts (or close & bind new ROUTER)
> 3. routing, prefixes, and messages are broken hereafter
> Symptoms: first send on a DEALER after the new ROUTER comes up will end up
> setting the IDENTITY, rather than making a receivable message. Only after
> the second such message is sent by the DEALER does the ROUTER actually have
> a message to receive.
> Opened as LIBZMQ-369 with attached python test case, which I hope is
> considered a blocker for a libzmq-3 stable release.
> -MinRK
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