#14626: Docbuilder hangs if latex fails
------------------------------------------------------------------+---------
       Reporter:  jdemeyer                                        |         
Owner:  mvngu       
           Type:  defect                                          |        
Status:  needs_review
       Priority:  blocker                                         |     
Milestone:  sage-5.10   
      Component:  documentation                                   |    
Resolution:              
       Keywords:                                                  |   Work 
issues:              
Report Upstream:  Reported upstream. Developers acknowledge bug.  |     
Reviewers:              
        Authors:  Jeroen Demeyer                                  |     Merged 
in:              
   Dependencies:                                                  |      
Stopgaps:              
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Comment (by jdemeyer):

 John: your change still works for me:
 {{{
 ! Undefined control sequence.
 <recently read> \aaaaaa

 l.4077 Broken: $\aaaaaa
                        $
 ?
 ! Emergency stop.
 <recently read> \aaaaaa

 l.4077 Broken: $\aaaaaa
                        $
 !  ==> Fatal error occurred, no output PDF file produced!
 Transcript written on algebras.log.
 make[1]: *** [algebras.pdf] Error 1
 make[1]: Leaving directory
 `/mazur/release/sage-5.10.beta4-boxen-x86_64-Linux/devel/sage-
 main/doc/output/latex/en/reference/algebras'
 Traceback (most recent call last):
   File
 
"/mazur/release/sage-5.10.beta4-boxen-x86_64-Linux/devel/sage/doc/common/builder.py",
 line 1452, in <module>
     getattr(get_builder(name), type)()
   File
 
"/mazur/release/sage-5.10.beta4-boxen-x86_64-Linux/devel/sage/doc/common/builder.py",
 line 273, in _wrapper
     getattr(get_builder(document), name)(*args, **kwds)
   File
 
"/mazur/release/sage-5.10.beta4-boxen-x86_64-Linux/devel/sage/doc/common/builder.py",
 line 472, in _wrapper
     pool.map_async(build_ref_doc, L, 1).get(99999)
   File
 
"/mazur/release/sage-5.10.beta4-boxen-x86_64-Linux/local/lib/python/multiprocessing/pool.py",
 line 554, in get
     raise self._value
 RuntimeError: failed to run $MAKE all-pdf in
 
/mazur/release/sage-5.10.beta4-boxen-x86_64-Linux/devel/sage/doc/output/latex/en/reference/algebras
 make: *** [doc-pdf] Error 1
 }}}
 I correctly get a shell prompt after this.

 Please attach your `docpdf.log` such that I can maybe find out what is
 happening.

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/14626#comment:15>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
and MATLAB

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