Problem description
Unable to run gensims Distributed LSI due to this failed to initialize distributed LSI (Failed to locate the nameserver)
Steps/code/corpus to reproduce
from gensim.corpora import Dictionary
from gensim.models import TfidfModel, LsiModel
from gensim.similarities import Similarity
from gensim.test.utils import get_tmpfile
import sys
import time, traceback
import logging
logging.basicConfig(format='%(asctime)s : %(levelname)s : %(message)s', level=logging.INFO)
documents=['simple document','trying to reproduce lsi error','example document']
documents=[doc.split(' ') for doc in documents]
dictionary = Dictionary(documents)
tfidf = TfidfModel(dictionary=dictionary)
corpus = [dictionary.doc2bow(doc) for doc in documents]
model = LsiModel(corpus, id2word=dictionary,num_topics=200,distributed=True)
Log Trace:
2019-06-13 15:15:40,268 : INFO : adding document #0 to Dictionary(0 unique tokens: [])
2019-06-13 15:15:40,269 : INFO : built Dictionary(11 unique tokens: ['document', 'simple', 'error', 'lsi', 'reproduce']...) from 5 documents (total 17 corpus positions)
2019-06-13 15:15:40,292 : INFO : looking for dispatcher at PYRONAME:gensim.lsi_dispatcher
2019-06-13 15:15:42,414 : ERROR : failed to initialize distributed LSI (Failed to locate the nameserver)
---------------------------------------------------------------------------
ConnectionRefusedError Traceback (most recent call last)
~/anaconda3/lib/python3.6/site-packages/Pyro4/core.py in connect_and_handshake(conn)
514 nodelay=config.SOCK_NODELAY,
--> 515 sslContext=sslContext)
516 conn = socketutil.SocketConnection(sock, uri.object)
~/anaconda3/lib/python3.6/site-packages/Pyro4/socketutil.py in createSocket(bind, connect, reuseaddr, keepalive, timeout, noinherit, ipv6, nodelay, sslContext)
306 try:
--> 307 sock.connect(connect)
308 except socket.error:
ConnectionRefusedError: [Errno 61] Connection refused
The above exception was the direct cause of the following exception:
CommunicationError Traceback (most recent call last)
~/anaconda3/lib/python3.6/site-packages/Pyro4/core.py in _locateNS(host, port, broadcast, hmac_key)
2004 try:
-> 2005 proxy._pyroBind()
2006 log.debug("located NS")
~/anaconda3/lib/python3.6/site-packages/Pyro4/core.py in _pyroBind(self)
407 """
--> 408 return self.__pyroCreateConnection(True)
409
~/anaconda3/lib/python3.6/site-packages/Pyro4/core.py in __pyroCreateConnection(self, replaceUri, connected_socket)
595 else:
--> 596 connect_and_handshake(conn)
597 if config.METADATA:
~/anaconda3/lib/python3.6/site-packages/Pyro4/core.py in connect_and_handshake(conn)
548 ce.__cause__ = x
--> 549 raise ce
550 else:
CommunicationError: cannot connect to ('localhost', 9090): [Errno 61] Connection refused
The above exception was the direct cause of the following exception:
NamingError Traceback (most recent call last)
~/anaconda3/lib/python3.6/site-packages/gensim/models/lsimodel.py in __init__(self, corpus, num_topics, id2word, chunksize, decay, distributed, onepass, power_iters, extra_samples, dtype)
431 logger.info("looking for dispatcher at %s", str(dispatcher._pyroUri))
--> 432 dispatcher.initialize(
433 id2word=self.id2word, num_topics=num_topics, chunksize=chunksize, decay=decay,
~/anaconda3/lib/python3.6/site-packages/Pyro4/core.py in __getattr__(self, name)
274 if not self._pyroMethods and not self._pyroAttrs:
--> 275 self._pyroGetMetadata()
276 if name in self._pyroAttrs:
~/anaconda3/lib/python3.6/site-packages/Pyro4/core.py in _pyroGetMetadata(self, objectId, known_metadata)
614 try:
--> 615 self.__pyroCreateConnection()
616 except errors.PyroError:
~/anaconda3/lib/python3.6/site-packages/Pyro4/core.py in __pyroCreateConnection(self, replaceUri, connected_socket)
587 else:
--> 588 uri = _resolve(self._pyroUri, self._pyroHmacKey)
589 # socket connection (normal or Unix domain socket)
~/anaconda3/lib/python3.6/site-packages/Pyro4/core.py in _resolve(uri, hmac_key)
1909 if uri.protocol == "PYRONAME":
-> 1910 with _locateNS(uri.host, uri.port, hmac_key=hmac_key) as nameserver:
1911 return nameserver.lookup(uri.object)
~/anaconda3/lib/python3.6/site-packages/Pyro4/core.py in _locateNS(host, port, broadcast, hmac_key)
2011 e.__cause__ = x
-> 2012 raise e
2013
NamingError: Failed to locate the nameserver
During handling of the above exception, another exception occurred:
RuntimeError Traceback (most recent call last)
<ipython-input-5-d3777d1d3a97> in <module>()
24 tfidf = TfidfModel(dictionary=dictionary)
25 corpus = [dictionary.doc2bow(doc) for doc in documents]
---> 26 model = LsiModel(corpus, id2word=dictionary,num_topics=200,distributed=True)
27 corpus = [model[tfidf[doc]] for doc in corpus]
28 index_tmpfile = get_tmpfile("index")
~/anaconda3/lib/python3.6/site-packages/gensim/models/lsimodel.py in __init__(self, corpus, num_topics, id2word, chunksize, decay, distributed, onepass, power_iters, extra_samples, dtype)
440 # distributed version was specifically requested, so this is an error state
441 logger.error("failed to initialize distributed LSI (%s)", err)
--> 442 raise RuntimeError("failed to initialize distributed LSI (%s)" % err)
443
444 if corpus is not None:
RuntimeError: failed to initialize distributed LSI (Failed to locate the nameserver)
Versions
Python 3.6.4
NumPy 1.15.4
SciPy 1.1.0
gensim 3.7.1
FAST_VERSION 1