Hello,

I got problems building the doc for "knots" (see attached log obtained without parallel build). I am alone in that case?

Vincent

On 28/03/16 12:16, Volker Braun wrote:
As always, you can get the latest beta version from the "develop" git
branch. Alternatively, the self-contained source tarball is at
http://www.sagemath.org/download-latest.html

c690443 Updated Sage version to 7.2.beta1
1e5fb03 Trac #20269: Inconsistent return types in real_roots
24f2049 Trac #20307: PyPI Updates
64cc57c Trac #20283: Discrete valuation rings are Euclidean domains
feeeff9 Trac #20257: Deprecate undocumented arguments to PARI functions
0fd2759 Trac #20098: doctest fix for: Re/Im(tanh) wrong formula
807846b Trac #17493: bind SymPy's ComplexInfinity
0a2df8e Trac #16203: conversion from SR.series to PowerSeries
09796ea Trac #20275: Fix typos in "default"
348ee09 Trac #20235: Enable warnings when compiling Sage library
17ff357 Trac #20234: Fix typos in "algorithm"
94685aa Trac #20289: pep8 cleanup in game_theory
e481501 Trac #20236: Use sagelib-VERSION.log for Sage library log
5196015 Trac #16523: Relative vector spaces for function fields
9d4c00d Trac #20292: Fix weight function and category for alcove path model
5da8286 Trac #12603: copying cached_methods does not work properly
e88cb55 Trac #6018: Confusing behaviour with Dirichlet characters
da39d48 Trac #20299: Binary tarball sanity check when running make
c422948 Trac #20286: Constructing matrix from numpy ignores ring
bc6e438 Trac #20279: Homogeneous coordinates of polyhedron V-representation
objects
aead72c Trac #19824: Faster comparison code in (real embedded) number fields
453a37d Trac #19821: Increase speed for Coxeter groups, Weyl groups, and
quantum Bruhat graph
84c522e Trac #17030: Knot Theory as a part of GSoC 2014.
bbc0be0 Trac #20281: fix flintxx development
8232da7 Trac #20277: Implement intersection of LibGAP groups
7ac0c4d Trac #20276: Convert groups to libgap
b117b30 Trac #20267: Comparison with EmptyLetter fails
cc52fe3 Trac #20256: Implement conversion Infinity <-> PARI
fa0c207 Trac #20253: bug in strongly connected test for static digraphs
4ec27fa Trac #20174: Avoid recomputing vacancy numbers for rigged
configurations
8e0e439 Trac #20220: GCD of polyomials over polynomial rings
073357a Trac #19884: LatticePosets: Add is_relatively_complemented()
5283d59 Trac #17330: Take in the module OEIS the keyword 'dead' of
sequences into account.
edd4a5c Trac #20252: Allow sage-uncompress-spkg to work with Python 2.6
930e35e Updated Sage version to 7.2.beta0


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[knots    ] loading pickled environment... not yet created
[knots    ] building [inventory]: targets for 3 source files that are out of date
[knots    ] updating environment: 3 added, 0 changed, 0 removed
[knots    ] reading sources... [ 33%] index
[knots    ] reading sources... [ 66%] sage/knots/knot
[knots    ] reading sources... [100%] sage/knots/link
[knots    ] loading cross citations...
[knots    ] /opt/sage/local/lib/python2.7/site-packages/sage/knots/link.py:docstring of sage.knots.link.Link.determinant:9: WARNING: Exception occurred in plotting link-6
[knots    ] from /opt/sage/src/doc/en/reference/knots/sage/knots/link.rst:
[knots    ] Traceback (most recent call last):
[knots    ] File "/opt/sage/local/lib/python2.7/site-packages/matplotlib-1.5.1-py2.7-linux-x86_64.egg/matplotlib/sphinxext/plot_directive.py", line 517, in run_code
[knots    ] six.exec_(code, ns)
[knots    ] File "/opt/sage/local/lib/python2.7/site-packages/matplotlib-1.5.1-py2.7-linux-x86_64.egg/matplotlib/externals/six.py", line 672, in exec_
[knots    ] exec("""exec _code_ in _globs_, _locs_""")
[knots    ] File "<string>", line 1, in <module>
[knots    ] File "<string>", line 4, in <module>
[knots    ] File "/opt/sage/local/lib/python2.7/site-packages/sage/knots/link.py", line 2170, in plot
[knots    ] solved = MLP.solve()
[knots    ] File "sage/numerical/mip.pyx", line 2081, in sage.numerical.mip.MixedIntegerLinearProgram.solve (build/cythonized/sage/numerical/mip.c:14625)
[knots    ] self._backend.solve()
[knots    ] File "sage/numerical/backends/cplex_backend.pyx", line 886, in sage.numerical.backends.cplex_backend.CPLEXBackend.solve (build/cythonized/sage/numerical/backends/cplex_backend.c:9147)
[knots    ] raise MIPSolverException("CPLEX: The primal has no feasible solution")
[knots    ] MIPSolverException: 'CPLEX: The primal has no feasible solution'
[knots    ] /opt/sage/local/lib/python2.7/site-packages/sage/knots/link.py:docstring of sage.knots.link.Link.writhe:11: WARNING: Exception occurred in plotting link-9
[knots    ] from /opt/sage/src/doc/en/reference/knots/sage/knots/link.rst:
[knots    ] Traceback (most recent call last):
[knots    ] File "/opt/sage/local/lib/python2.7/site-packages/matplotlib-1.5.1-py2.7-linux-x86_64.egg/matplotlib/sphinxext/plot_directive.py", line 517, in run_code
[knots    ] six.exec_(code, ns)
[knots    ] File "/opt/sage/local/lib/python2.7/site-packages/matplotlib-1.5.1-py2.7-linux-x86_64.egg/matplotlib/externals/six.py", line 672, in exec_
[knots    ] exec("""exec _code_ in _globs_, _locs_""")
[knots    ] File "<string>", line 1, in <module>
[knots    ] File "<string>", line 2, in <module>
[knots    ] File "/opt/sage/local/lib/python2.7/site-packages/sage/knots/link.py", line 2170, in plot
[knots    ] solved = MLP.solve()
[knots    ] File "sage/numerical/mip.pyx", line 2081, in sage.numerical.mip.MixedIntegerLinearProgram.solve (build/cythonized/sage/numerical/mip.c:14625)
[knots    ] self._backend.solve()
[knots    ] File "sage/numerical/backends/cplex_backend.pyx", line 886, in sage.numerical.backends.cplex_backend.CPLEXBackend.solve (build/cythonized/sage/numerical/backends/cplex_backend.c:9147)
[knots    ] raise MIPSolverException("CPLEX: The primal has no feasible solution")
[knots    ] MIPSolverException: 'CPLEX: The primal has no feasible solution'
[knots    ] /opt/sage/src/doc/en/reference/knots/sage/knots/link.rst:1174: WARNING: Exception occurred in plotting link-11
[knots    ] from /opt/sage/src/doc/en/reference/knots/sage/knots/link.rst:
[knots    ] Traceback (most recent call last):
[knots    ] File "/opt/sage/local/lib/python2.7/site-packages/matplotlib-1.5.1-py2.7-linux-x86_64.egg/matplotlib/sphinxext/plot_directive.py", line 517, in run_code
[knots    ] six.exec_(code, ns)
[knots    ] File "/opt/sage/local/lib/python2.7/site-packages/matplotlib-1.5.1-py2.7-linux-x86_64.egg/matplotlib/externals/six.py", line 672, in exec_
[knots    ] exec("""exec _code_ in _globs_, _locs_""")
[knots    ] File "<string>", line 1, in <module>
[knots    ] File "<string>", line 4, in <module>
[knots    ] File "/opt/sage/local/lib/python2.7/site-packages/sage/knots/link.py", line 2170, in plot
[knots    ] solved = MLP.solve()
[knots    ] File "sage/numerical/mip.pyx", line 2081, in sage.numerical.mip.MixedIntegerLinearProgram.solve (build/cythonized/sage/numerical/mip.c:14625)
[knots    ] self._backend.solve()
[knots    ] File "sage/numerical/backends/cplex_backend.pyx", line 886, in sage.numerical.backends.cplex_backend.CPLEXBackend.solve (build/cythonized/sage/numerical/backends/cplex_backend.c:9147)
[knots    ] raise MIPSolverException("CPLEX: The primal has no feasible solution")
[knots    ] MIPSolverException: 'CPLEX: The primal has no feasible solution'
[knots    ] /opt/sage/src/doc/en/reference/knots/sage/knots/link.rst:1253: WARNING: Exception occurred in plotting link-13
[knots    ] from /opt/sage/src/doc/en/reference/knots/sage/knots/link.rst:
[knots    ] Traceback (most recent call last):
[knots    ] File "/opt/sage/local/lib/python2.7/site-packages/matplotlib-1.5.1-py2.7-linux-x86_64.egg/matplotlib/sphinxext/plot_directive.py", line 517, in run_code
[knots    ] six.exec_(code, ns)
[knots    ] File "/opt/sage/local/lib/python2.7/site-packages/matplotlib-1.5.1-py2.7-linux-x86_64.egg/matplotlib/externals/six.py", line 672, in exec_
[knots    ] exec("""exec _code_ in _globs_, _locs_""")
[knots    ] File "<string>", line 1, in <module>
[knots    ] File "<string>", line 2, in <module>
[knots    ] File "/opt/sage/local/lib/python2.7/site-packages/sage/knots/link.py", line 2170, in plot
[knots    ] solved = MLP.solve()
[knots    ] File "sage/numerical/mip.pyx", line 2081, in sage.numerical.mip.MixedIntegerLinearProgram.solve (build/cythonized/sage/numerical/mip.c:14625)
[knots    ] self._backend.solve()
[knots    ] File "sage/numerical/backends/cplex_backend.pyx", line 886, in sage.numerical.backends.cplex_backend.CPLEXBackend.solve (build/cythonized/sage/numerical/backends/cplex_backend.c:9147)
[knots    ] raise MIPSolverException("CPLEX: The primal has no feasible solution")
[knots    ] MIPSolverException: 'CPLEX: The primal has no feasible solution'
Error building the documentation.
Traceback (most recent call last):
  File "/opt/sage/local/lib/python/runpy.py", line 162, in _run_module_as_main
    "__main__", fname, loader, pkg_name)
  File "/opt/sage/local/lib/python/runpy.py", line 72, in _run_code
    exec code in run_globals
  File "/opt/sage/local/lib/python2.7/site-packages/sage_setup/docbuild/__main__.py", line 2, in <module>
    main()
  File "/opt/sage/local/lib/python2.7/site-packages/sage_setup/docbuild/__init__.py", line 1629, in main
    builder()
  File "/opt/sage/local/lib/python2.7/site-packages/sage_setup/docbuild/__init__.py", line 284, in _wrapper
    getattr(get_builder(document), 'inventory')(*args, **kwds)
  File "/opt/sage/local/lib/python2.7/site-packages/sage_setup/docbuild/__init__.py", line 495, in _wrapper
    x.get(99999)
  File "/opt/sage/local/lib/python/multiprocessing/pool.py", line 567, in get
    raise self._value
OSError: [knots    ] /opt/sage/local/lib/python2.7/site-packages/sage/knots/link.py:docstring of sage.knots.link.Link.determinant:9: WARNING: Exception occurred in plotting link-6

Makefile:820: recipe for target 'doc-html' failed
make[1]: *** [doc-html] Error 1
make[1]: Leaving directory '/opt/sage/build/make'

real    5m2.953s
user    4m56.800s
sys     0m4.644s
***************************************************************
Error building Sage.

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