[zeromq-dev] PyZMQ recv() acts crazy on one machine

[MinRK]

And how did you install libzmq? It seems like you have a borked install.
Perhaps rebuilding libzmq and/or pyzmq is the answer.


On Sun, Dec 29, 2013 at 6:27 PM, Thomas Johnson
<thomas.j.johnson at gmail.com>wrote:

> Thanks, that was the problem. The broken one had 4.0.3 and the working one
> had 2.2.0
>
>
> On Sun, Dec 29, 2013 at 12:09 PM, Min RK <benjaminrk at gmail.com> wrote:
>
>> what is zmq.zmq_version() on each?
>>
>> -MinRK
>>
>> On Dec 29, 2013, at 0:01, Thomas Johnson <thomas.j.johnson at gmail.com>
>> wrote:
>>
>> Consider the following simple program:
>> #----CUT HERE----
>> #!/usr/bin/python
>> import zmq
>>
>> context_push = zmq.Context(1)
>> socket_push = context_push.socket(zmq.PUSH)
>>
>> context_pull = zmq.Context(1)
>> socket_pull = context_pull.socket(zmq.PULL)
>>
>> socket_pull.bind("tcp://127.0.0.1:2000")
>> socket_push.connect("tcp://127.0.0.1:2000")
>>
>> socket_push.send("Hello")
>> message = socket_pull.recv()
>> print "Got message: '%s'" % message
>> #----CUT HERE----
>>
>>
>> On machine A, as expected, it prints: Got message: 'Hello'
>> On machine B, it prints: Got message: ''
>>
>>  Separately from this program, Machine B also immediately raises a
>> "Resource temporarily unavailable" if I create a PULL socket and do a
>> (blocking) socket.recv() call. Strangely, it seems to hang if I do a
>> socket.recv(flags=zmq.NOBLOCK), almost as if the flag was being flipped.
>>
>> Both A and B are Ubuntu precise, using pyzmq 14.0.1. B happens to have
>> its native language set as Russian, if that matters.
>>
>> Any idea what is going on or what I'm doing wrong?
>>
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>
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