Edgewall Software

Changes between Version 4 and Version 5 of TracFaq


Ignore:
Timestamp:
Aug 7, 2012, 9:20:43 AM (8 years ago)
Author:
Christian Boos
Comment:

the ZipImportError is also a classic…

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  • TracFaq

    v4 v5  
    44
    55----
    6 **Note:** At the occasion of the upcoming 1.0 release, we're restarting the FAQ from scratch. If you don't find the answer you're looking for here, also have a look in the old [wiki:"0.12/TracFaq"] (for Trac 0.12 and older versions).
     6**Note:** At the occasion of the upcoming 1.0 release, we're restarting the FAQ from scratch. If you don't find the answer you're looking for here, **also have a look in the old [wiki:"0.12/TracFaq"]** (for Trac 0.12 and older versions).
    77
    88----
     
    4040
    4141You can remove the offending setuptools .egg ... and if it keeps re-appearing, you have it installed not only in the virtualenv but also in the parent Python installation (the one in which you installed virtualenv itself). If this is the case, remove it from there as well, installing distribute should now work.
     42
     43==== Q: Why does Apache crashes (500) with a `ZipImportError` in the error log?
     44
     45{{{
     46[Tue Aug 07 09:08:26 2012] [error] [client 172.25.16.59] mod_wsgi (pid=16444): Exception occurred processing WSGI script '/packages/trac/virtualenv-0.13/bin/trac.wsgi'., referer: http://dserver/trac/bct/timeline
     47...
     48[Tue Aug 07 09:08:26 2012] [error] [client 172.25.16.59]   File "build/bdist.linux-x86_64/egg/pkg_resources.py", line 1197, in _get, referer: xxx/trac/bct/timeline
     49[Tue Aug 07 09:08:26 2012] [error] [client 172.25.16.59] ZipImportError: bad local file header in /packages/trac/virtualenv-0.13/lib/python2.7/site-packages/Genshi-0.6-py2.7.egg, referer: xxx/trac/bct/timeline
     50}}}
     51
     52**A:** You most certainly forgot to stop and restart your server during an upgrade. The zip importer  mechanism keeps an internal cache which has trouble detecting replaced files, so a restart is needed (see TracUpgrade#ZipImportError). Do it now.
     53