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#1 2016-12-09 05:59:13

Matt Bergman
Guest

"Failed to Read Session Data" + Cannot Login

Hey guys, I've been messing around with this error on my own for a bit and I've given up. 

I get this alongside a login/"Welcome to Your Piwigo Gallery" page:

Warning: session_start(): Failed to read session data: user (path: /home/497/307497/tmp) in /home/497/307497/public_html/include/common.inc.php on line 149

It won't login, but if given a wrong password it will take me to the identification.php page. Tried to chmod 777 the tmp folder and then doing a clean install, but without any results.  The database tables do get imported successfully.

Screenshot:
https://postimg.org/image/bxzg5jdvn

I'm not too experienced with web servers so I pretty much poke at it until something happens.

Piwigo version: 2.8.3
PHP version: 5.2

 

#2 2016-12-18 22:08:46

Zentalquabula
Member
Registered: 2014-05-10
Posts: 61

Re: "Failed to Read Session Data" + Cannot Login

I get this too on my local test site, after upgrading to PHP 7.1

https://bugs.php.net/bug.php?id=73616 has some information.

Problem remains in Piwigo 2.9.0b. As it is a test site, I don't care, but it should be investigated by Piwigo team.

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#3 2016-12-21 18:38:09

plg
Piwigo Team
Location: Nantes, France, Europe
Registered: 2002-04-05
Posts: 13060
Website

Re: "Failed to Read Session Data" + Cannot Login


Latest blog post (March 23th 2017) Piwigo.com Enterprise plans, now official!

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#4 2016-12-21 18:46:23

rvelices
Piwigo Team
Registered: 2005-12-29
Posts: 1953
Website

Re: "Failed to Read Session Data" + Cannot Login

Actually there might be a problem with our code. Can someone test this ?
in include/functions_session.inc.php , function session_read, replace

Code:

if ($results)

with

Code:

if (pwg_db_num_rows($results))

Last edited by rvelices (2016-12-21 18:46:36)

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#5 2016-12-21 19:05:21

plg
Piwigo Team
Location: Nantes, France, Europe
Registered: 2002-04-05
Posts: 13060
Website

Re: "Failed to Read Session Data" + Cannot Login

dotdeb doesn't propose PHP 7.1 yet, I can't test it "easily" :-/


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#6 2016-12-21 19:07:12

plg
Piwigo Team
Location: Nantes, France, Europe
Registered: 2002-04-05
Posts: 13060
Website

Re: "Failed to Read Session Data" + Cannot Login

On [Github] Piwigo issue #586 mirlang says rvelices patch works fine.


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#7 2016-12-21 21:16:20

Zentalquabula
Member
Registered: 2014-05-10
Posts: 61

Re: "Failed to Read Session Data" + Cannot Login

I can confirm patch works.

Not related, but another warning pops up: Got error 'PHP message: PHP Warning:  A non-numeric value encountered in /(...)/include/template.class.php on line 1791\n'

plg wrote:

On [Github] Piwigo issue #586 mirlang says rvelices patch works fine.

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#8 2016-12-31 20:16:32

Serge D
Member
Location: US
Registered: 2014-07-15
Posts: 315

Re: "Failed to Read Session Data" + Cannot Login

Actually patch does not work because it is $result and not $results
Code which does work in 2.8.4 is
{code}
  $result = pwg_query($query);
  if (pwg_db_num_rows($result))
{/code}

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#9 2017-01-03 19:46:16

Serge D
Member
Location: US
Registered: 2014-07-15
Posts: 315

Re: "Failed to Read Session Data" + Cannot Login

This fix did not make into 2.8.5 which is unfortunate
I have to reapply fix manually

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#10 2017-01-06 03:59:44

reddn
Member
Location: DC, USA
Registered: 2015-09-29
Posts: 27

Re: "Failed to Read Session Data" + Cannot Login

Am I correct in saying PHP 7.1 is not supported at this time?

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#11 2017-01-06 19:08:23

Serge D
Member
Location: US
Registered: 2014-07-15
Posts: 315

Re: "Failed to Read Session Data" + Cannot Login

unless you hot fix the code yourself, yes

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#12 2017-02-10 18:23:11

Serge D
Member
Location: US
Registered: 2014-07-15
Posts: 315

Re: "Failed to Read Session Data" + Cannot Login

@plg would this bug be ever addressed?
it kind of frustrating to fix it with every new build

Last edited by Serge D (2017-02-10 18:23:33)

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#13 2017-02-11 12:53:52

plg
Piwigo Team
Location: Nantes, France, Europe
Registered: 2002-04-05
Posts: 13060
Website

Re: "Failed to Read Session Data" + Cannot Login

Hi SergeD

Serge D wrote:

@plg would this bug be ever addressed?
it kind of frustrating to fix it with every new build

Actually it is "addressed". The patch is applied on Piwigo 2.9, but not on 2.8. Piwigo 2.9 will soon be available as "stable" release.

Can you give a try to Piwigo 2.9.0beta2 and tell us if it's fine for you on PHP 7.1?


Latest blog post (March 23th 2017) Piwigo.com Enterprise plans, now official!

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#14 2017-03-17 11:47:20

tuts
Member
Registered: 2017-03-17
Posts: 1

Re: "Failed to Read Session Data" + Cannot Login

@plg

I have the same Problem and i tested 2.9 beta 2.
there is no Problem with php 7.1

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#15 2017-03-21 23:23:52

Serge D
Member
Location: US
Registered: 2014-07-15
Posts: 315

Re: "Failed to Read Session Data" + Cannot Login

plg wrote:

Hi SergeD

Serge D wrote:

@plg would this bug be ever addressed?
it kind of frustrating to fix it with every new build

Actually it is "addressed". The patch is applied on Piwigo 2.9, but not on 2.8. Piwigo 2.9 will soon be available as "stable" release.

Can you give a try to Piwigo 2.9.0beta2 and tell us if it's fine for you on PHP 7.1?

@plg: as I am not actively monitoring evolution of the core, I am trying to stay on stable release. since it is confirmed for 2.9 above, I am looking forward to official release

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