kafka-python does not work on Windows

OS: Windows 8 kafka-python version: 0.97.0-dev

Trying to run:

producer = KafkaProducer(bootstrap_servers=[KAFKA_ADDRESS])

Getting an error:

2016-01-26 18:10:08,252 kafka.producer.kafka DEBUG    Starting the Kafka producer
2016-01-26 18:10:08,252 kafka.client DEBUG    Attempting to bootstrap via node at 10.250.181.19:9092
2016-01-26 18:10:08,253 kafka.conn   ERROR    Connect attempt to <BrokerConnection host=10.250.181.19 port=9092> returned error 10035. Disconnecting.
2016-01-26 18:10:08,253 kafka.client ERROR    Unable to bootstrap from [('10.250.181.19', 9092)]
2016-01-26 18:10:08,253 kafka.client DEBUG    No connected nodes found. Trying disconnected nodes.
2016-01-26 18:10:08,253 kafka.client DEBUG    No luck. Trying all broker metadata
2016-01-26 18:10:08,253 kafka.client ERROR    No nodes found in metadata -- retrying bootstrap
2016-01-26 18:10:08,254 kafka.client DEBUG    Sleeping 0.0980 before bootstrapping again
2016-01-26 18:10:08,352 kafka.client DEBUG    Attempting to bootstrap via node at 10.250.181.19:9092
2016-01-26 18:10:08,352 kafka.conn   ERROR    Connect attempt to <BrokerConnection host=10.250.181.19 port=9092> returned error 10035. Disconnecting.
2016-01-26 18:10:08,352 kafka.client ERROR    Unable to bootstrap from [('10.250.181.19', 9092)]
Traceback (most recent call last):
  File "sample.py", line 5, in <module>
   producer = KafkaProducer(bootstrap_servers=[KAFKA_ADDRESS])
  File "C:\Program Files\Python35\lib\site-packages\kafka_python-0.97.0.dev0-py3.5.egg\kafka\producer\kafka.py", line 245, in __init__
  File "C:\Program Files\Python35\lib\site-packages\kafka_python-0.97.0.dev0-py3.5.egg\kafka\client_async.py", line 607, in check_version
  File "C:\Program Files\Python35\lib\site-packages\kafka_python-0.97.0.dev0-py3.5.egg\kafka\client_async.py", line 575, in connect
kafka.common.NodeNotReadyError: None

Found this code in the conn.py:

self._sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
            self._sock.setsockopt(socket.SOL_SOCKET, socket.SO_RCVBUF,
                                  self.config['receive_buffer_bytes'])
            self._sock.setsockopt(socket.SOL_SOCKET, socket.SO_SNDBUF,
                                  self.config['send_buffer_bytes'])
            self._sock.setblocking(False)
            ret = self._sock.connect_ex((self.host, self.port))
            self.last_attempt = time.time()

            if not ret or ret is errno.EISCONN:
                self.state = ConnectionStates.CONNECTED
            elif ret in (errno.EINPROGRESS, errno.EALREADY):
                self.state = ConnectionStates.CONNECTING
            else:
                log.error('Connect attempt to %s returned error %s.'
                          ' Disconnecting.', self, ret)
                self.close()
                self.last_failure = time.time()

On my machine, ret contains EWOULDBLOCK, and this seems to be normal. Do you need to handle EWOULDBLOCK in this case or my machine is merely glitchy and should not return EWOULDBLOCK on socket opening?

[szmcdull]

if I construct the producer with bootstrap_servers=‘host:port’, it fails. If I parse bootstrap_servers=‘host’, it works. Tested master in both windows and linux, same result.

[dpkp]

Please open a new issue w/ specific code to reproduce. thanks!