Hello,
Did not realize I has posted the same problem from several years back. I
am again testing an app on a production machine, and having the same
problem:
LOG START *********
[Wed Sep 20 14:59:55.524284 2017] [wsgi:error] [pid 28498:tid
140503681038080] [client 73.91.138.217:50020] from
zope.sqlalchemy.datamanager import ZopeTransactionExtension, mark_changed,
register, referer: demo.testsite.com
[Wed Sep 20 14:59:55.524351 2017] [wsgi:error] [pid 28498:tid
140503681038080] [client 73.91.138.217:50020] File
"/var/tg2env/lib/python2.7/site-packages/zope.sqlalchemy-0.7.7-py2.7.egg/zope/sqlalchemy/datamanager.py",
line 15, in <module>, referer: demo.testsite.com
[Wed Sep 20 14:59:55.524407 2017] [wsgi:error] [pid 28498:tid
140503681038080] [client 73.91.138.217:50020] import transaction as
zope_transaction, referer: demo.testsite.com
[Wed Sep 20 14:59:55.524467 2017] [wsgi:error] [pid 28498:tid
140503681038080] [client 73.91.138.217:50020] File
"/var/tg2env/lib/python2.7/site-packages/transaction/__init__.py", line 19,
in <module>, referer: demo.testsite.com
[Wed Sep 20 14:59:55.524518 2017] [wsgi:error] [pid 28498:tid
140503681038080] [client 73.91.138.217:50020] from
transaction._transaction import Transaction, referer: demo.testsite.com
[Wed Sep 20 14:59:55.524560 2017] [wsgi:error] [pid 28498:tid
140503681038080] [client 73.91.138.217:50020] File
"/var/tg2env/lib/python2.7/site-packages/transaction/_transaction.py", line
112, in <module>, referer: demo.testsite.com
[Wed Sep 20 14:59:55.524610 2017] [wsgi:error] [pid 28498:tid
140503681038080] [client 73.91.138.217:50020] from transaction import
interfaces, referer: demo.testsite.com
[Wed Sep 20 14:59:55.524665 2017] [wsgi:error] [pid 28498:tid
140503681038080] [client 73.91.138.217:50020] ImportError: cannot import
name interfaces, referer: demo.testsite.com
LOG STOP *********
I have tried the different transactions, 1.4.0 -> 1.1.1, and have the same
problem. Suspect it is a WSGI configuration problem. Here is my *.conf:
Listen 8080
<VirtualHost *:8080>
ServerName production.testsite.com
#WSGIDaemonProcess production.testsite.com processes=2 threads=15
display-name=%{GROUP} python-path=/var/tg2env/lib/python2.7/site-packages
#WSGIProcessGroup production.testsite.com
WSGIApplicationGroup %{GLOBAL}
WSGIScriptAlias / /var/tg2env/testsite/apache/testsite.wsgi
<Directory /var/tg2env/testsite/apache>
Require all granted
</Directory>
RewriteEngine on
RewriteCond %{SERVER_NAME} =production.testsite.com
RewriteRule ^ https://%{SERVER_NAME}%{REQUEST_URI}
[END,NE,R=permanent]
</VirtualHost>
Listen 8081
<VirtualHost *:8081>
ServerName demo.testsite.com
#WSGIProcessGroup demo.testsite.com
#WSGIDaemonProcess demo.testsite.com processes=2 threads=15
display-name=%{GROUP} python-path=/var/tg2env/lib/python2.7/site-packages
WSGIApplicationGroup %{GLOBAL}
WSGIScriptAlias / /var/tg2env/testsite/apache/testsite_demo.wsgi
<Directory /var/tg2env/testsite/apache>
Require all granted
</Directory>
RewriteCond %{SERVER_NAME} =demo.testsite.com
RewriteRule ^ https://%{SERVER_NAME}%{REQUEST_URI}
[END,NE,R=permanent]
</VirtualHost>
If I remember correctly, I just had a cron job restart the old server every
so often; however, this is popping up every 10 requests or so, so can't do
such a fix.
I also fought with the "RuntimeError: class.__dict__ not accessible in
restricted mode", error. Interestingly, the two always appeared together.
I believe that the __dict__ error was fixed by adding in the
WSGIApplicationGroup %{GLOBAL} (see
https://stackoverflow.com/questions/10557930/mod-wsgi-error-class-dict-not-accessible-in-restricted-mode),
but the transactions import error continues.
Are these related in any way?
Thanks for the help,
Shane
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