Discussion related to cado-nfs

[David Willmore <davidwillmore@gmail.com>]

On Mon, Mar 9, 2020 at 12:24 PM Emmanuel Thomé <Emmanuel.Thome@inria.fr> 
wrote:
> I'll try to reproduce this. At least the warning could/should be fixed,
> but I think that it should be harmless. After all, it's only a warning
> (my guess is that python --version is a python3.x on your machine. While
> cado-nfs-client _should_ cope equally with python2 and python3, since its
> shebang says python only, we don't test it that often with python3).
>
> I'm skeptical about the link between the warning and the 404 that you
> get. Do you have a precise summary of what you did, including the server
> output ?

Certainly:
[willmore@blade2 cado-nfs]$ ./cado-nfs.py
90377629292003121684002147101760858109247336549001090677693
server.port=8001
Info:root: Using default parameter file ./parameters/factor/params.c60
Info:root: No database exists yet
Info:root: Created temporary directory /tmp/cado.s50u6ij6
Info:Database: Opened connection to database /tmp/cado.s50u6ij6/c60.db
Info:root: Set tasks.linalg.bwc.threads=12 based on detected physical cores
Info:root: Set tasks.threads=24 based on detected logical cpus
Info:root: tasks.threads = 24 [via tasks.threads]
Info:root: tasks.polyselect.threads = 2 [via tasks.polyselect.threads]
Info:root: tasks.sieve.las.threads = 2 [via tasks.sieve.las.threads]
Info:root: tasks.linalg.bwc.threads = 12 [via tasks.linalg.bwc.threads]
Info:root: tasks.sqrt.threads = 8 [via tasks.sqrt.threads]
Info:root: slaves.scriptpath is /home/willmore/factoring/cado-nfs
Info:root: Command line parameters: ./cado-nfs.py
90377629292003121684002147101760858109247336549001090677693
server.port=8001
Info:root: If this computation gets interrupted, it can be resumed
with ./cado-nfs.py /tmp/cado.s50u6ij6/c60.parameters_snapshot.0
Info:Server Launcher: Adding blade2 to whitelist to allow clients on
localhost to connect
Info:HTTP server: Using non-threaded HTTPS server
Info:HTTP server: Using whitelist: localhost,blade2
Info:Lattice Sieving: param rels_wanted is 0
Info:Complete Factorization / Discrete logarithm: Factoring
90377629292003121684002147101760858109247336549001090677693
Info:HTTP server: serving at https://blade2:8001 (0.0.0.0)
Info:HTTP server: For debugging purposes, the URL above can be
accessed if the server.only_registered=False parameter is added
Info:HTTP server: You can start additional cado-nfs-client.py scripts
with parameters: --server=https://blade2:8001
--certsha1=64130df41a375e16c4328bb73148689fb1f8dc89
Info:HTTP server: If you want to start additional clients, remember to
add their hosts to server.whitelist
Info:Client Launcher: Starting client id localhost on host localhost
Info:Client Launcher: Starting client id localhost+2 on host localhost
Info:Client Launcher: Starting client id localhost+3 on host localhost
Info:Client Launcher: Starting client id localhost+4 on host localhost
Info:Client Launcher: Starting client id localhost+5 on host localhost
Info:Client Launcher: Starting client id localhost+6 on host localhost
Info:Client Launcher: Starting client id localhost+7 on host localhost
Info:Client Launcher: Starting client id localhost+8 on host localhost
Info:Client Launcher: Starting client id localhost+9 on host localhost
Info:Client Launcher: Starting client id localhost+10 on host localhost
Info:Client Launcher: Starting client id localhost+11 on host localhost
Info:Client Launcher: Starting client id localhost+12 on host localhost
Info:Client Launcher: Running clients: localhost (Host localhost, PID
33162), localhost+2 (Host localhost, PID 33164), localhost+3 (Host
localhost, PID 33166), localhost+4 (Host localhost, PID 33168),
localhost+5 (Host localhost, PID 33170), localhost+6 (Host localhost,
PID 33172), localhost+7 (Host localhost, PID 33174), localhost+8 (Host
localhost, PID 33176), localhost+9 (Host localhost, PID 33178),
localhost+10 (Host localhost, PID 33180), localhost+11 (Host
localhost, PID 33182), localhost+12 (Host localhost, PID 33184)
Info:Polynomial Selection (size optimized): Starting
Info:Polynomial Selection (size optimized): 0 polynomials in queue
from previous run
Info:Polynomial Selection (size optimized): Adding workunit
c60_polyselect1_0-5000 to database
Info:Polynomial Selection (size optimized): Adding workunit
c60_polyselect1_5000-10000 to database
Info:HTTP server: 127.0.0.1 Sending workunit c60_polyselect1_0-5000 to
client localhost
Info:HTTP server: 127.0.0.1 Sending workunit
c60_polyselect1_5000-10000 to client localhost+2

It will sit there.  If I launch a client:
[willmore@blade2 cado-nfs]$ ./cado-nfs-client.py
--server=https://blade2:8001
--certsha1=64130df41a375e16c4328bb73148689fb1f8dc89
INFO:root:Starting client blade2.2f8ac9ac
INFO:root:Python version is 3.7.6
INFO:root:Using work-around <class
'__main__.Version3FixedBytesGenerator'> for buggy BytesGenerator
INFO:root:Downloading certificate from blade2:8001
INFO:root:Certificate SHA1 hash matches
INFO:root:Writing certificate to file
download/server.64130df41a375e16c4328bb73148689fb1f8dc89.pem
INFO:root:Implicitly setting --externdl to use https fallbacks
INFO:root:spin=0 is_wu=True blog=0
INFO:root:Downloading
https://blade2:8001/cgi-bin/getwu?clientid=blade2.2f8ac9ac to
download/WU.blade2.2f8ac9ac586663916 (cafile =
download/server.64130df41a375e16c4328bb73148689fb1f8dc89.pem)
./cado-nfs-client.py:724: DeprecationWarning: cafile, capath and
cadefault are deprecated, use a custom context instead.
  return urllib_request.urlopen(request, cafile=cafile)
ERROR:root:Download failed, URL error: HTTP Error 404: No work available
ERROR:root:Waiting 10.0 seconds before retrying

And it will sit there waiting and retrying every ten seconds.

Thank you!

Cheers,
David