type = "admin-doc"
+++
+
+When using BookStack, especially when initially setting it up or after updating, you may come across some errors. While we try to reduce these as much as possible and make them helpful sometimes you may come across a bland "An error has occurred" message. This is to prevent any potentially sensitive information being shown to all users.
+
This page details how you can find out more information about errors you may face and the resolutions to common problems we often see.
-- [Showing Error Details](#showing-error-details)
+- [Error Log File](#error-log-file)
+- [Debug View](#debug-view)
- [Common Issues & Resolutions](#common-issues--resolutions)
- [Blank White Screen on Access](#blank-white-screen-on-access)
- [No Styles and Large Icons on Access](#no-styles-and-large-icons-on-access)
+ - [Failing Database or Auth System Credentials](#failing-database-or-auth-system-credentials)
+ - [Dynamic Elements Not Working](#dynamic-elements-not-working)
+ - [Broken Links or No Images After APP_URL Change](#broken-links-or-no-images-after-app_url-change)
- [Submitting Issues](#submitting-issues)
-### Showing Error Details
+### Error Log File
+
+On a common installation, an error log can be found at the path `storage/logs/laravel.log`, relative to the top-level folder of your BookStack installation files.
+For instances installed using our Ubuntu installation scripts, this is commonly located at `/var/www/bookstack/storage/logs/laravel.log`.
+If the `laravel.log` file does not exist the `storage/logs` directory may not be writable by the server.
+
+In some cases an error may be thrown before or after BookStack handles a request. These will typically show as very plain error pages
+without any BookStack header bar or styling. In these cases you'll want to refer to your webserver error logs instead.
+
+- Common Apache error log path on Ubuntu: `/var/log/apache2/error.log`
+- Common Nginx error log path on Ubuntu: `/var/log/nginx/error.log`
-When using BookStack, Especially when initially setting it up or after updating, you may come across some errors. While we try to reduce these as much as possible and make them helpful sometimes you may come across a bland, non-helpful 'An error has occurred' message. This is to prevent any potentially sensitive information being shown to all users.
+You will likely need privileged access to read these files. For example `sudo tail -n 100 /var/log/apache2/error.log`.
-_**NOTE: While debugging is enabled it's possible for users to be able to see private credentials used in the BookStack or server configuration. Ensure debugging is only enabled when your instance is not accessible by others. Remember to disable debugging before restoring user access.**_
+If using an alternative hosting method, such as docker container, please refer to the documentation provided by that method/container.
-To enable full error displaying edit the `.env` file, in the application root directory, and find the line `APP_DEBUG=false`. Change this to `APP_DEBUG=true` and the errors will be displayed in full with details of where it occurred. Remember to revert this change once you have found the issue so that the detailed error information is hidden from everyone.
+### Debug View
-On top of the above, An error log can be found at the path `storage/logs/laravel.log`. If the `laravel.log` file does not exist the `storage/logs` directory may not be writable by the server.
+_**NOTE: When debugging is enabled it's possible for visitors to see private credentials used in the BookStack or server configuration. Ensure debugging is only enabled when your instance is not accessible by others. Remember to disable debugging before restoring access.**_
+
+To enable full error displaying edit the `.env` file, in the application root directory, and find the line `APP_DEBUG=false`. Change this to `APP_DEBUG=true` and the errors will be displayed in full with details of where it occurred. Remember to revert this change once you have found the issue so that the detailed error information is hidden from visitors.
### Common Issues & Resolutions
- Check that the `APP_URL` option is set in your `.env` file and ensure it matches the URL you're accessing BookStack on (Including the "https://" or "http://" component).
- Check that you're using the `release` code branch. If you cloned the project without a branch flag, or downloaded the files from GitHub, you may be using the development branch files which does not include some of these required files.
+##### Failing Database or Auth System Credentials
+
+If you've used a password in the `.env` file which you are sure is correct, but authentication fails for that service, it may be due to
+special characters being handled different in the `.env` configuration. Ensure that any such passwords or config options are wrapped in quotes. For example:
+
+```txt
+DB_PASSWORD="hunter#2@"
+```
+
+##### Dynamic Elements Not Working
+
+If certain dynamic elements, like dropdown menus or section tabs, are not working it often indicates that there
+may be other scripts interfering with BookStack's JavaScript code.
+
+- Check that the `APP_URL` option is set in your `.env` file and ensure it matches the URL you're accessing BookStack on (Including the "https://" or "http://" component).
+- If using Cloudflare, with it's DNS proxy feature, ensure that ["Rocket Loader" is disabled](https://developers.cloudflare.com/fundamentals/speed/rocket-loader/enable/).
+- Check your "Custom HTML Head Content" customization setting and, if existing, temporarily remove any code in this setting to ensure it's not interfering.
+- Use your browser developer tools to check the development console, and see if any errors exist.
+
+##### Broken Links or No Images After APP_URL Change
+
+BookStack will store absolute URL paths for some content, such as images, in the database.
+If you change your base URL for BookStack this can be problematic.
+This command will essentially run a find & replace operation on all relevant tables in the database.
+Be sure to take a database backup for running this command.
+
+```bash
+# Searches for <oldUrl> and replaces it with <newUrl>
+php artisan bookstack:update-url <oldUrl> <newUrl>
+
+# Example:
+php artisan bookstack:update-url http://docs.example.com https://demo.bookstackapp.com
+```
+
### Submitting Issues
-If you have found the cause of the issue, and it is not an issue with your particular setup, you can submit it on the [GitHub issues page](https://github.com/BookStackApp/BookStack/issues). Please include as much information as possible when creating an issue along with steps detailing how to replicate it so the bug can be fixed by a developer.
\ No newline at end of file
+If you have found the cause of the issue, and it is not an issue with your particular setup, you can submit it on the [GitHub issues page](https://github.com/BookStackApp/BookStack/issues). Please include as much information as possible when creating an issue along with steps detailing how to replicate it so the bug can be fixed by a developer.
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