[IPython-User] ipcluster fails to initialize

Rok Roskar roskar@physik.uzh...
Mon Nov 14 04:56:38 CST 2011


Hi all: 

I did a local install of the zeroqm library and tried to start up the
ipython parallel environment using the ipcluster command -- pyzqm
complains about receiving a prefix keyword and fails. Any feedback is
greatly appreciated! I copy the session below: 


[roskar@miniature ~]$ ipcluster start --n=4
[IPClusterStart] Using existing profile dir:
u'/home/itp/roskar/.ipython/profile_default'
[IPClusterStart] Starting ipcluster with [daemon=False]
[IPClusterStart] Creating pid
file: /home/itp/roskar/.ipython/profile_default/pid/ipcluster.pid
[IPClusterStart] Starting LocalControllerLauncher: ['/usr/bin/python',
u'/home/itp/roskar/python/ipython-0.11-py2.6.egg/IPython/parallel/apps/ipcontrollerapp.py', '--log-to-file', '--log-level=20', u'--profile-dir=/home/itp/roskar/.ipython/profile_default']
[IPClusterStart] Process '/usr/bin/python' started: 12180
[IPClusterStart] [IPControllerApp] Using existing profile dir:
u'/home/itp/roskar/.ipython/profile_default'
[IPClusterStart] Scheduler started [leastload]
[IPClusterStart] Starting 4 engines
[IPClusterStart] Process '/usr/bin/python' started: 12201
[IPClusterStart] Starting LocalEngineSetLauncher: ['/usr/bin/python',
u'/home/itp/roskar/python/ipython-0.11-py2.6.egg/IPython/parallel/apps/ipengineapp.py', '--log-to-file', '--log-level=20', u'--profile-dir=/home/itp/roskar/.ipython/profile_default']
[IPClusterStart] Process '/usr/bin/python' started: 12202
[IPClusterStart] Process '/usr/bin/python' started: 12203
[IPClusterStart] Process '/usr/bin/python' started: 12204
[IPClusterStart] Process 'engine set' started: [None, None, None, None]
[IPClusterStart] [IPEngineApp] Using existing profile dir:
u'/home/itp/roskar/.ipython/profile_default'
[IPClusterStart] ERROR:root:Uncaught exception, closing connection.
[IPClusterStart] Traceback (most recent call last):
[IPClusterStart]   File
"/home/itp/roskar/python/zmq/eventloop/zmqstream.py", line 397, in
_handle_events
[IPClusterStart]     self._handle_send()
[IPClusterStart]   File
"/home/itp/roskar/python/zmq/eventloop/zmqstream.py", line 441, in
_handle_send
[IPClusterStart]     status = self.socket.send_multipart(msg, **kwargs)
[IPClusterStart]   File "socket.pyx", line 553, in
zmq.core.socket.Socket.send_multipart (zmq/core/socket.c:4763)
[IPClusterStart] TypeError: send_multipart() got an unexpected keyword
argument 'prefix'
[IPClusterStart] [IPEngineApp] Using existing profile dir:
u'/home/itp/roskar/.ipython/profile_default'
[IPClusterStart] ERROR:root:Exception in I/O handler for fd
<zmq.core.socket.Socket object at 0x21baaf8>
[IPClusterStart] Traceback (most recent call last):
[IPClusterStart]   File
"/home/itp/roskar/python/zmq/eventloop/ioloop.py", line 333, in start
[IPClusterStart]     self._handlers[fd](fd, events)
[IPClusterStart]   File
"/home/itp/roskar/python/zmq/eventloop/zmqstream.py", line 397, in
_handle_events
[IPClusterStart]     self._handle_send()
[IPClusterStart]   File
"/home/itp/roskar/python/zmq/eventloop/zmqstream.py", line 441, in
_handle_send
[IPClusterStart]     status = self.socket.send_multipart(msg, **kwargs)
[IPClusterStart]   File "socket.pyx", line 553, in
zmq.core.socket.Socket.send_multipart (zmq/core/socket.c:4763)
[IPClusterStart] TypeError: send_multipart() got an unexpected keyword
argument 'prefix'
[IPClusterStart] ERROR:root:Uncaught exception, closing connection.




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