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

mattab opened this issue Oct 18, 2011 · 6 comments
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Bug For errors / faults / flaws / inconsistencies etc. Major Indicates the severity or impact or benefit of an issue is much higher than normal but not critical.
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@mattab
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mattab commented Oct 18, 2011

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
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mattab commented Nov 11, 2011

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

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

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mattab commented Nov 12, 2011

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
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mattab commented Dec 21, 2011

(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)

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mattab commented Dec 21, 2011

(In [5588]) Refs #2717 - typo

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mattab commented Jan 26, 2012

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

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mattab commented Jun 13, 2014

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
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