@robocoder opened this Issue on September 19th 2009 Contributor

We provide config/config.ini.sample.php, which implies that a user could copy and configure this manually as config.ini.php.

  • if the db user doesn't exist, Piwik reports:
SQLSTATE[28000] [1045] Access denied for user "%s"

(followed by a backtrace)

  • if db user exists but not the database, Piwik reports:
SQLSTATE[42000] [1049] Unknown database "%s"

(followed by a backtrace)

  • if db user and database exist, but not the tables, Piwik reports:
Critical Error during the update process:

Database piwik is empty. You must edit or remove your Piwik configuration file.
  • if user bypasses the Installation, things like the anonymous user and default site are not created


  • for database user that doesn't exist, provide help
  • for missing database or tables, prompt to remove the config file and redirect to installer, using the settings to pre-fill the forms; (we don't want to remove the config file without user confirmation, in case Piwik simply lost its connection to the MySQL server)
@mattab commented on September 22nd 2009 Owner

sounds good - also, a simple solution could be to explain in a comment in config.sample that this is not meant to be copied, users should go through the installation process first etc.

@mattab commented on November 2nd 2009 Owner

I vote for a comment in config.sample.ini to explain that this is not meant to be copied with a link to the installation guide (piwik.org/docs/installation/)

@robocoder commented on November 5th 2009 Contributor

In [1569], refs #991 - add comment to config.ini.sample.php to not copy this file

@anonymous-piwik-user commented on November 24th 2009

Have a look into the repository of EXT:piwikintegration for TYPO3.

Manual: http://forge.typo3.org/wiki/extension-piwikintegration/Manual_for_20

SVN: http://forge.typo3.org/repositories/show/extension-piwikintegration

Here is the direct link to the helper class with the function makePiwikConfigured:


This class is used to fetch, extract and install piwik fully automated. It supports updating existing databases. It's forced to use a hardcoded prefix, to make it compatible with TYPO3.

The tracking code is developed in a standalone extension:


Best regards Kay

@robocoder commented on December 28th 2009 Contributor

I've added a reference to comment:7 to #161.

@robocoder commented on December 28th 2009 Contributor

(In [1742]) fixes #991 - redirect to Installation 'welcome' (displaying alternate text & error message) if database connection fails

This Issue was closed on December 28th 2009
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