I am pretty much a drupal novice, trying to upgrade from 6.3 to 6.8. When running the update.php script I get this message:
An HTTP error 501 occurred. http://my.site/update.php?id=5&op=do
501 is the "not implemented" return code, kind of a rare one. The page refers me to the error page (update.php?op=results), which says:
The update process was aborted prematurely while running update #6048 in system.module. All errors have been logged. You may need to check the watchdog database table manually.
I checked the log page (admin/reports/dblog) and no errors are listed. I don't know where to turn to next.
I did get a 501 error while trying to edit a page a few days ago. It was one reason I decide to upgrade. But where can I look to get more diagnostics on what's causing this error?
Comments
Could be mod_security
See here http://drupal.org/node/320532
- Arie
Could be. But then what?
mod_security2 is loaded, but I don't have access to the server's configuration (or error logs, for that matter). Apparently you can't disable that module in .htaccess otherwise you get a 500 error.
Ask your provider
You can probably create an exception for your part of the server. If that is the case your hosting provider should be able to tell you how.
- Arie
How can I be sure it's
How can I be sure it's mod_security?
It's mod_security
Tech support and I are working it out by waiting for it to break and applying exceptions to mod_security.