CB Captcha + CB 1.2.3 sporadic problems

gianpietro
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13 years 5 months ago #146479 by gianpietro

CB Captcha + CB 1.2.3 sporadic problems was created by gianpietro

Hi,

I just installed the last version of CB Captcha in CB 1.2.3, and I see that sometimes the image is not shown. The image fails to appear sporadically, and when I reload the page using F5 it usually appears.

Cache is globally disabled; where should I start looking?

Thanks!
Gianpietro

Post edited by: gianpietro, at: 2010/11/17 15:39

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krileon
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13 years 5 months ago #146492 by krileon

Replied by krileon on topic Re:CB Captcha + CB 1.2.3 sporadic problems

Could you please see help us help you within my signature? We need many more details concerning your hosting environment. We've had a few other users with similar issues and need more information to pinpoint the problem as we suspect is host related (possibly a bad PHP GD module).

Kyle (Krileon)
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gianpietro
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13 years 4 months ago #146707 by gianpietro

Replied by gianpietro on topic Re:CB Captcha + CB 1.2.3 sporadic problems

Hi,

Thanks for your answer, I checked the section and tried many things and still nothing, so here's more information:

- PHP Version 5.3.2-1ubuntu4.5
- CB Version 1.2.3
- Joomla Version 1.5.21
- Problem is that sometimes the captcha image shows no letters (image appears but with no letters on it), then I refresh the page and they appear.
- Link to test: pentatonico.com/index.php?option=com_comprofiler&task=registers (keep pressing F5 and sometimes you will not see the letters)
- There are no errors related to the plugin, just this one: "Warning: Cannot modify header information - headers already sent by (output started at [serverpath]/components/com_sef/sef_incl.php:0) in [serverpath]administrator/components/com_comprofiler/library/cb/cb.session.php on line 74 (same on line 149)
- Using SEF Advance 2008, but problem persists when disabling it.
- All is fresh install.
- Issue is present in Firefox and IE8 as far as I tested.
- Issue is present using GD2, ImageMagick or NetPBM (i don't have GD1 installed, not sure how to install it)

Thanks!
Gianpietro

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krileon
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13 years 4 months ago #146869 by krileon

Replied by krileon on topic Re:CB Captcha + CB 1.2.3 sporadic problems

Have you tried with both settings of Captcha images and sound mode:?

- Issue is present using GD2, ImageMagick or NetPBM (i don't have GD1 installed, not sure how to install it)

Only GD is used for the rendering, so it could be a problem with the compiled GD library still. It's also possible as to how its rendering letters as they could be rendered "off-image" perhaps. Will require further investigation. If possible please provide your exact GD library version (contact host or see PHP information page).

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gianpietro
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13 years 4 months ago #146872 by gianpietro

Replied by gianpietro on topic Re:CB Captcha + CB 1.2.3 sporadic problems

Hi,

I just tried with the "image+sound" setting but still seeing the issue from time to time as before.

My hosting is VPS Ubuntu, so I installed the library myself using apt-get. I have tried reinstalling it also.

Phpinfo regarding GD is below, I'm using version 2.0.

thanks!
Gianpietro

GD Support enabled
GD Version 2.0
FreeType Support enabled
FreeType Linkage with freetype
FreeType Version 2.3.11
T1Lib Support enabled
GIF Read Support enabled
GIF Create Support enabled
JPEG Support enabled
libJPEG Version 6b
PNG Support enabled
libPNG Version 1.2.42
WBMP Support enabled

Directive Local Value Master Value
gd.jpeg_ignore_warning 0 0

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gianpietro
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13 years 4 months ago #147779 by gianpietro

Replied by gianpietro on topic Re:CB Captcha + CB 1.2.3 sporadic problems

Hi, I just installed CB 1.3 and the updated Captcha plugin, but problem persists.

I agree that this may be a problem related to the server, but could you give me any clue on where to check? I have total control.

Thanks!
Gianpietro

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CB Captcha + CB 1.2.3 sporadic problems

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