Dear SWAN team,
I would like to use a notebook with Bleeding Edge python3.
When I connect to swan.cern.ch i get redirected to swan006.cern.ch.
When I open a notebook with this configuration (bleeding edge, swan006) I get connection failed error alert and the notebook is not usable.
When opening the same notebook bleeding edge python 3 from swan-spare003.cern.ch, it is able to connect to the kernel just fine, but
import ROOT
returns
---------------------------------------------------------------------------
RuntimeError Traceback (most recent call last)
<ipython-input-3-ee8dc4376aa8> in <module>
----> 1 import ROOT
/cvmfs/sft-nightlies.cern.ch/lcg/views/dev3python3/Tue/x86_64-centos7-gcc8-opt/lib/python3.7/site-packages/ROOT/__init__.py in <module>
26 environ['CPPYY_NO_ROOT_FILTER'] = '1'
27
---> 28 import cppyy
29 import ROOT.pythonization as pyz
30
/cvmfs/sft-nightlies.cern.ch/lcg/views/dev3python3/Tue/x86_64-centos7-gcc8-opt/lib/python3.7/site-packages/cppyy/__init__.py in <module>
69 from ._pypy_cppyy import *
70 else:
---> 71 from ._cpython_cppyy import *
72
73
/cvmfs/sft-nightlies.cern.ch/lcg/views/dev3python3/Tue/x86_64-centos7-gcc8-opt/lib/python3.7/site-packages/cppyy/_cpython_cppyy.py in <module>
16 # first load the dependency libraries of the backend, then pull in the
17 # libcppyy extension module
---> 18 c = loader.load_cpp_backend()
19 import libcppyy as _backend
20 _backend._cpp_backend = c
/cvmfs/sft-nightlies.cern.ch/lcg/views/dev3python3/Tue/x86_64-centos7-gcc8-opt/lib/python3.7/site-packages/cppyy_backend/loader.py in load_cpp_backend()
72
73 if not c:
---> 74 raise RuntimeError("could not load cppyy_backend library")
75
76 return c
RuntimeError: could not load cppyy_backend library
Could this problem be related to the one described almost a month ago in this thread?
Have I chosen the wrong configuration on the wrong machine?
Is it there some more information I could provide?
Best Regards
Dario