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From "Jakub Scholz (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DISPATCH-187) CMake must choose the Python2 libraries when Python3 is available
Date Wed, 04 Nov 2015 21:57:27 GMT

    [ https://issues.apache.org/jira/browse/DISPATCH-187?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14990524#comment-14990524
] 

Jakub Scholz commented on DISPATCH-187:
---------------------------------------

Hi Ted,

When I try to build the latest version of the Dispatch router (i.e. master from the Git repo)
on a fresh CentOS 7 host, it seems that it doesn't install the Python site-packages. As a
result, qdrouterd doesn't start because it cannot import the qpid_dispatch_site which was
not installed:

{code}
$ qdrouterd
Wed Nov  4 16:50:17 2015 ERROR (error) Python: ImportError: No module named qpid_dispatch_site
Wed Nov  4 16:50:17 2015 ERROR (error) Traceback (most recent call last):
  File "/usr/local/lib/qpid-dispatch/python/qpid_dispatch_internal/dispatch.py", line 35,
in <module>
    import qpid_dispatch_site
ImportError: No module named qpid_dispatch_site

Wed Nov  4 16:50:17 2015 PYTHON (critical) Cannot load dispatch extension module 'qpid_dispatch_internal.dispatch'
Neúspěšně ukončen (SIGABRT)
{code}

It looks like after the change you made in this JIRA, the setup.py is not called anymore and
doesn't install the files. When I revert this change, it starts working again.

Regards
Jakub

> CMake must choose the Python2 libraries when Python3 is available
> -----------------------------------------------------------------
>
>                 Key: DISPATCH-187
>                 URL: https://issues.apache.org/jira/browse/DISPATCH-187
>             Project: Qpid Dispatch
>          Issue Type: Bug
>    Affects Versions: 0.5
>            Reporter: Ted Ross
>            Assignee: Ted Ross
>             Fix For: 0.6
>
>
> If the python3 development packages are present, the Dispatch CMake file chooses version
3 which fails to build.  Dispatch uses the python2 extension API.



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