Error "unable to start session" instead of a proper error message #2717

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mattab opened this Issue Oct 18, 2011 · 6 comments

1 participant

@mattab
Piwik Open Source Analytics member

After upgrade to Piwik 1.6 many users are reporting "Unable to start session" messages. It seems to happen when the piwik/tmp/sessions directory is not writable.
INstead we should detect this before trying to start the session and if the directory is not writable, return the standard piwik error message showing the "chmod" help command.

@mattab
Piwik Open Source Analytics member

See also a report in: http://forum.piwik.org/read.php?2,82920

Maybe the whole tmp/ folder should be checked more often?

@mattab
Piwik Open Source Analytics member

Definitely a problem across the board...

 problem writing temporary file '/var/www/vhosts/..../piwik/tmp/templates_c/wrt4ebc5ba68a6af'  ```

http://forum.piwik.org/read.php?5,82929
@mattab
Piwik Open Source Analytics member

(In [5587]) Fixes #2717

  • Now displaying better error message including commands to type to fix the problem
  • Suggesting to enable db session when piwik is already installed (in case the of webhost /user changed directory permissions)
@mattab
Piwik Open Source Analytics member

(In [5588]) Refs #2717 - typo

@mattab
Piwik Open Source Analytics member

Solution to problem "session has already been started by session.auto-start or session_start()"

Set session.auto_start = Off in php.ini

Source: post

@mattab
Piwik Open Source Analytics member

Replying to matt:

Solution to problem "session has already been started by session.auto-start or session_start()"

Set session.auto_start = Off in php.ini

Source: post

This issue has been fixed in #5344 New system check to alert user when session.auto_start = 1

@mattab mattab added this to the 1.7 Piwik 1.7 milestone Jul 8, 2014
This issue was closed.
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