/usr/share/php/kohana3.1/system/guide/kohana/tips.md is in libkohana3.1-core-php 3.1.4-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 | # Tips and Common Mistakes
This is a collection of tips and common mistakes or errors you may encounter.
## Never edit the `system` folder!
You should (almost) never edit the system folder. Any change you want to make to files in system and modules can be made via the [cascading filesystem](files) and [transparent extension](extension) and won't break when you try to update your Kohana version.
## Don't try and use one route for everything
Kohana 3 [routes](routing) are very powerful and flexible, don't be afraid to use as many as you need to make your app function the way you want!
## Reflection_Exception
If you get a Reflection_Exception when setting up your site, it is almost certainly because your [Kohana::init] 'base_url' setting is wrong. If your base url is correct something is probably wrong with your [routes](routing).
ReflectionException [ -1 ]: Class controller_<something> does not exist
// where <something> is part of the url you entered in your browser
### Solution {#reflection-exception-solution}
Set your [Kohana::init] 'base_url' to the correct setting. The base url should be the path to your index.php file relative to the webserver document root.
## ORM/Session __sleep() bug
There is a bug in php which can corrupt your session after a fatal error. A production server shouldn't have uncaught fatal errors, so this bug should only happen during development, when you do something stupid and cause a fatal error. On the next page load you will get a database connection error, then all subsequent page loads will display the following error:
ErrorException [ Notice ]: Undefined index: id
MODPATH/orm/classes/kohana/orm.php [ 1308 ]
### Solution {#orm-session-sleep-solution}
To fix this, clear your cookies for that domain to reset your session. This should never happen on a production server, so you won't have to explain to your clients how to clear their cookies. You can see the [discussion on this issue](http://dev.kohanaframework.org/issues/3242) for more details.
|