[zeromq-dev] ZeroMQ Mutlicast/PGM Message Corruption

Doron Somech somdoron at gmail.com
Mon Oct 21 13:42:52 CEST 2013


Hi,

Sorry to rebounce this, but we have the same issue also with clrzmq, did
you manage to solve the problem?

We are using windows 2008 r2 and zeromq v 3.3.2...

Thanks,

Doron




On Mon, Aug 12, 2013 at 7:38 PM, Paul Krauss <PKrauss at geneva-trading.com>wrote:

>  Hello,****
>
> ** **
>
> We have 4 individual client processes that send intermittent messages over
> ZeroMQ/PGM Protocol to a single server-side process.****
>
> Both the client and server side are developed on Windows 7 in C#.****
>
> All Clients send messages on the same group and port: 239.10.20.1:2350****
>
> ** **
>
> Everything goes well most days, but once a week we noticed that the server
> process would receive several messages that appeared corrupted and then it
> just stopped receiving new ZeroMQ messages altogether.****
>
> This prompted us to create a lightweight C++ app that simply listens for
> ZeroMQ Multicast messages.****
>
> ** **
>
> The same problem occurred in the lightweight C++ app.****
>
> ** **
>
> What would happen is:****
>
> The server seemed to stop handling one of the client’s messages for a few
> seconds, and then it would get a corrupted message that appeared to be a
> jumble of the last couple messages sent by that client.****
>
> After that occurrs, the ZeroMQ get_message() call just stops returning new
> messages. (New messages were definitely still coming in from all clients)*
> ***
>
> ** **
>
> It should be noted that we never see this issue if we only have 1 client
> process using a single group and port communicating with our server side
> process.****
>
> ** **
>
> For more information, my co-worked Alex has posted about this also:****
>
> http://lists.zeromq.org/pipermail/zeromq-dev/2013-August/022290.html****
>
> ** **
>
> Thanks for any help****
>
> Paul****
>
> ** **
>
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>
>
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