Recently, when migrating a Plone 4 site from one VPS server instance to another, we had the following problem: We were not able to start Zope with Supervisord because it crashed every time we tried to start it. Running Zope in foreground (bin/instance fg) produced the following error: Python: Objects/typeobject.c:1736: extra_ivars: Assertion `t_size >= b_size' failed. Aborted Luckily, after some…
Last week we were upgrading Cyn.in to the latest version. After a few days of testing on a local server it was time to deploy it to the server. Since Cyn.in needs quite some RAM to operate normally, we chose Virpus VPS instance with 2 gigs of RAM, running CentOS 5.4. Running buildout on the server produced this error: ...…
CentOS's repos don't have a working version of libxslt (you need 1.1.20, repos have 1.1.17) so we need to statically compile it for collective.xdv to work. But, there is a catch! You need to be careful about how you order your parts in your buildout.cfg. For examle, the following buildout.cfg works perfectly fine, it downloads libxml and libxslt and compiles…
A few days ago I encountered a problem while deploying Plone 4 with collective.xdv to a CentOS cloud instance. Since CentOS' repos were a bit out of date I needed to statically compile lxml and it's dependencies with z3c.recipe.staticlxml. Here's what you need to add to your buildout.cfg to do so: parts += lxml eggs += lxml # =================================================================== #…
