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ZMQError: Resource temporarily unavailable

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  ZMQError: Resource temporarily unavailable karthik.sharma@gmail.com - 2014-10-08 23:16 -0700
    Re: ZMQError: Resource temporarily unavailable dieter <dieter@handshake.de> - 2014-10-10 07:57 +0200

#78878 — ZMQError: Resource temporarily unavailable

I am using zero-mq for IPC between two machines.

My zmq function is given below

    def recieve_messages(self):
             string = self.sub_socket.recv(flags=zmq.NOBLOCK)
             print('flow mod messages recieved {}'.format(string))


When I run the program however I get the following error.

      string = self.sub_socket.recv(flags=zmq.NOBLOCK)
      File "socket.pyx", line 616, in zmq.core.socket.Socket.recv (zmq/core/socket.c:5961)
      File "socket.pyx", line 650, in zmq.core.socket.Socket.recv (zmq/core/socket.c:5832)
      File "socket.pyx", line 119, in zmq.core.socket._recv_copy (zmq/core/socket.c:1669)
    ZMQError: Resource temporarily unavailable


Can someone explain what is likely causing this error.

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#78923

karthik.sharma@gmail.com writes:

> I am using zero-mq for IPC between two machines.
>
> My zmq function is given below
>
>     def recieve_messages(self):
>              string = self.sub_socket.recv(flags=zmq.NOBLOCK)
>              print('flow mod messages recieved {}'.format(string))
>
>
> When I run the program however I get the following error.
>
>       string = self.sub_socket.recv(flags=zmq.NOBLOCK)
>       File "socket.pyx", line 616, in zmq.core.socket.Socket.recv (zmq/core/socket.c:5961)
>       File "socket.pyx", line 650, in zmq.core.socket.Socket.recv (zmq/core/socket.c:5832)
>       File "socket.pyx", line 119, in zmq.core.socket._recv_copy (zmq/core/socket.c:1669)
>     ZMQError: Resource temporarily unavailable
>
>
> Can someone explain what is likely causing this error.

The most likely cause is that you try to receive data while there
is none available. Usually, with non blocking operations, you
start them only after you know they can succeed. If the operation
is impossible, you will get an exception (and "Resource temporarily
unavailable" seems a good candidate).

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