[IPython-user] engine registration failure on MacOSX

Lev Givon lev@columbia....
Thu Nov 6 11:07:35 CST 2008


When I recently tried to run an ipython 0.9.1 controller and engine on
a MacOSX 10.5.5 system, I observed that the engine fails to register
with the controller when I attempt to run ipengine (the below assumes
the controller was already started):

2008-11-06 12:05:39-0500 [-] Log opened.
2008-11-06 12:05:40-0500 [-] Using furl file: /Users/lev/.ipython/security/ipcontroller-engine.furl
2008-11-06 12:06:10-0500 [-] 'engine registration failed:'
2008-11-06 12:06:10-0500 [-] Unhandled Error
        Traceback (most recent call last):
        Failure: twisted.internet.error.TimeoutError: User timeout
        caused connection failure.

2008-11-06 12:06:10-0500 [-] Main loop terminated.

This occurs regardless of whether I attempt to start the cluster with
ipcluster or whether I start an ipcontroller manually and then try to
start an ipengine instance (I made sure to clear out the contents of
~/.ipython/security before starting the processes). Why would this be
occurring? Could it have to do with my firewall settings? If so, would
I need to allow incoming connections from the host itself?

I'm running python 2.5.2, twisted 8.1.0, foolscap 0.3.2, pyopenssl
0.7, and zopeinterface 3.4.1 (all installed through Fink).

     	 	       	     	  	    	    L.G.


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