i'm doing something wrong, i'm getting a usage warning that my
install_name_tool syntax is wrong
(baseline)otter:lib mathew$ pwd
/usr/local/mysql/lib
(baseline)otter:lib mathew$ sudo install_name_tool -change
libmysqlclient.18.dylib /usr/local/mysql/lib/libmysqlclient.18.dylib
Password:
Usage: install_name_tool [-change old new] ... [-rpath old new] ... [-
add_rpath new] ... [-delete_rpath old] ... [-id name] input
(baseline)otter:lib mathew$ otool -L libmysqlclient.18.dylib
libmysqlclient.18.dylib:
libmysqlclient.18.dylib (compatibility version 18.0.0, current
version 18.0.0)
/usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current
version 125.0.1)
On Nov 19, 12:23 pm, Simon Kesenci <[email protected]> wrote:
> I've solved this with install_name_tool:
>
> sudo install_name_tool -change libmysqlclient.16.dylib
> /full/path/to/libmysqlclient.16.dylib {file which can't load dylib}
>
> --S.
>
> On Nov 18, 2011, at 16:33, Graham Dumpleton <[email protected]>
> wrote:
>
>
>
>
>
>
>
> > This is an issue with how MySQLdb Python module is built. Can you tell
> > me how you installed it?
>
> > Did you use pip, or did you download package as tar.gz and run setup.py in
> > it?
>
> > I have tried twice before to sort this out with people on IRC but they
> > would not do what I asked them to help me solve it properly. I am at
> > least most of the way along sorting out what the issue is however. :-)
>
> > Graham
>
> > On 19 November 2011 08:41, mathew davis <[email protected]> wrote:
> >> I am trying to run django on osx 10.7 (lion) with apache mod_wsgi and
> >> virtualenv.
> >> My site works if I use the django testing server:
>
> >>> (baseline)otter:hello mathew$ python manage.py runserver
>
> >> but it doesn't work when I run apache. The core of the error seems to be
>
> >>> Library not loaded: libmysqlclient.16.dylib
>
> >> I think its to do with the path apache is using to locate
> >> libmysqlclient.16.dylib
>
> >> when I run otool in the lib directory it looks good
>
> >>> otter:lib mathew$ pwd
> >>> /usr/local/mysql/lib
>
> >>> otter:lib mathew$ otool -L libmysqlclient.16.dylib
> >>> libmysqlclient.16.dylib:
> >>> libmysqlclient.16.dylib (compatibility version 16.0.0,
> >>> current
> >>> version 16.0.0)
> >>> /usr/lib/libSystem.B.dylib (compatibility version 1.0.0,
> >>> current version 125.0.1)
>
> >> but from outside it can't find it
>
> >>> otter:lib mathew$ cd /
> >>> otter:/ mathew$ otool -L libmysqlclient.16.dylib
> >>> otool: can't open file: libmysqlclient.16.dylib (No such file or
> >>> directory)
>
> >> if i manually set DYLD_LIBRARY_PATH otool works
>
> >>> otter:lib mathew$ DYLD_LIBRARY_PATH=/usr/local/mysql/lib otter:lib
> >>> mathew$ otool -L libmysqlclient.16.dylib libmysqlclient.16.dylib:
> >>> libmysqlclient.16.dylib (compatibility version 16.0.0, current
> >>> version 16.0.0) /usr/lib/libSystem.B.dylib (compatibility version
> >>> 1.0.0, current version 125.0.1)
>
> >> When I run the django testing server, my .bash_profile sets up the
> >> virtualenv and the path to the mysql dynamic library
>
> >>> export DYLD_LIBRARY_PATH=/usr/local/mysql/lib/:$DYLD_LIBRARY_PATH
> >>> export PATH
>
> >> When i run apache it finds my virtualenv paths, but it doesn't seem to find
> >> the dynamic library path.
>
> >> I tried adding this path to /usr/sbin/envvars
>
> >>> DYLD_LIBRARY_PATH="/usr/lib:/usr/local/mysql/lib:$DYLD_LIBRARY_PATH"
> >>> export DYLD_LIBRARY_PATH
>
> >> and to /private/etc/paths.d/libmysql
>
> >>> /usr/local/mysql/lib
>
> >> then restarted the machine
> >> but that has not changed the error message.
>
> >>> Error loading MySQLdb module:
> >>> dlopen(/usr/local/python_virtualenv/baseline/lib/python2.7/site-packages/_mysql.so,
> >>> 2):
> >>> Library not loaded: libmysqlclient.16.dylib
>
> >> I don't think is a permissions issue:
>
> >>> -rwxr-xr-x 1 root wheel 3787328 4 Dec 2010
> >>> libmysqlclient.16.dylib
>
> >>> drwxr-xr-x 39 root wheel 1394 18 Nov 21:07 /
> >>> drwxr-xr-x@ 15 root wheel 510 24 Oct 22:10 /usr
> >>> drwxrwxr-x 20 root admin 680 2 Nov 20:22 /usr/local
> >>> drwxr-xr-x 20 mathew admin 680 9 Nov 21:58
> >>> /usr/local/python_virtualenv
> >>> drwxr-xr-x 6 mathew admin 204 2 Nov 21:36
> >>> /usr/local/python_virtualenv/baseline
> >>> drwxr-xr-x 4 mathew admin 136 2 Nov 21:26
> >>> /usr/local/python_virtualenv/baseline/lib
> >>> drwxr-xr-x 52 mathew admin 1768 2 Nov 21:26
> >>> /usr/local/python_virtualenv/baseline/lib/python2.7
> >>> drwxr-xr-x 18 mathew admin 612 4 Nov 21:20
> >>> /usr/local/python_virtualenv/baseline/lib/python2.7/site-packages
> >>> -rwxr-xr-x 1 mathew admin 66076 2 Nov 21:18
> >>> /usr/local/python_virtualenv/baseline/lib/python2.7/site-packages/_mysql.so
>
> >> **What do i need to do so that mod_wsgi will find
> >> libmysqlclient.16.dylib?**
>
> >> apache and mysql are both 64 bit:
>
> >>> otter:lib mathew$ file /usr/sbin/httpd /usr/sbin/httpd: Mach-O
> >>> universal binary with 2 architectures /usr/sbin/httpd (for
> >>> architecture x86_64): Mach-O 64-bit executable x86_64 /usr/sbin/httpd
> >>> (for architecture i386): Mach-O executable i386 otter:lib mathew$
>
> >>> otter:lib mathew$ file /usr/local/mysql/lib/libmysqlclient.16.dylib
> >>> /usr/local/mysql/lib/libmysqlclient.16.dylib: Mach-O 64-bit
> >>> dynamically linked shared library x86_64
>
> >> here's some more detail of the error:
>
> >>> Request URL: http://hello.local/Django Version: 1.3.1 Exception
> >>> Type: ImproperlyConfigured Exception Value: Error loading MySQLdb
> >>> module:
>
> >>> dlopen(/usr/local/python_virtualenv/baseline/lib/python2.7/site-packages/_mysql.so,
> >>> 2): Library not loaded: libmysqlclient.16.dylib Referenced from:
>
> >>> /usr/local/python_virtualenv/baseline/lib/python2.7/site-packages/_mysql.so
> >>> Reason: image not found Exception
> >>> Location:
> >>> /usr/local/python_virtualenv/baseline/lib/python2.7/site-packages/django/db/backends/mysql/base.py
> >>> in <module>, line 14 Python Executable: /usr/sbin/httpd Python
> >>> Version: 2.7.2 Python Path:
>
> >>> ['/usr/local/python_virtualenv/baseline/lib/python2.7/site-packages/setuptools-0.6c11-py2.7.egg',
>
> >>> '/usr/local/python_virtualenv/baseline/lib/python2.7/site-packages/pip-1.0.2-py2.7.egg',
> >>> '/usr/local/python_virtualenv/baseline/lib/python27.zip',
> >>> '/usr/local/python_virtualenv/baseline/lib/python2.7',
> >>> '/usr/local/python_virtualenv/baseline/lib/python2.7/plat-darwin',
> >>> '/usr/local/python_virtualenv/baseline/lib/python2.7/plat-mac',
>
> >>> '/usr/local/python_virtualenv/baseline/lib/python2.7/plat-mac/lib-scriptpackages',
> >>> '/usr/local/python_virtualenv/baseline/lib/python2.7/lib-tk',
> >>> '/usr/local/python_virtualenv/baseline/lib/python2.7/lib-old',
> >>> '/usr/local/python_virtualenv/baseline/lib/python2.7/lib-dynload',
> >>> '/usr/local/Cellar/python/2.7.2/lib/python2.7',
> >>> '/usr/local/Cellar/python/2.7.2/lib/python2.7/plat-darwin',
> >>> '/usr/local/Cellar/python/2.7.2/lib/python2.7/lib-tk',
> >>> '/usr/local/Cellar/python/2.7.2/lib/python2.7/plat-mac',
>
> >>> '/usr/local/Cellar/python/2.7.2/lib/python2.7/plat-mac/lib-scriptpackages',
> >>> '/usr/local/python_virtualenv/baseline/lib/python2.7/site-packages',
> >>> '/usr/local/python_virtualenv/baseline/lib/python2.7/site-packages/PIL',
> >>> '/Users/mathew/dev', '/usr/local/mysql/lib/']
>
> >> --
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>
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