Community Q&A:
Prestashop 1.6 admin white screen, wrong php settings
Hi everyone.
I`ve got an own hosting, everything was fine, but now got some trouble without visible reason.
Now, i'm in a dead block. and I want to ask of community help.
prestashop-1.6.0.14
The front office working fine, but got a white screen of admin login page.
An error reporting returns nothing, the blank white page only.
A scripting protocol returns:
---------------
334","(Warning) Cannot modify header information - headers already sent by (output started at admin_folder/index.php:34)"
------------------------
But these are warnings only, and back office must work.
I have changed permissions to 0777 for all Prestashop root directory in all of depth, got a similar result.
The cache (/cache/smarty/cache & cache/smarty/compile) cleared manualy.
And location of web server are checked, the info() function returns a correct result from admin directory.
And memory_limit (php.ini) state of 256 Mb.
I have restored all from the working backup for a test, got the similar result.
Obviously, a problem is in a PHP settings or in extensions. But cannot found it myself. Please, HELP!!!
My php.ini
----------------------------
date.timezone = "Etc/GMT"
max_execution_time = 300
memory_limit = 256M
post_max_size = 30M
upload_max_filesize = 16M
max_input_time = 300
max_input_vars = 10000
suhosin.get.max_vars = 10000
suhosin.post.max_vars = 10000
allow_url_fopen = On
register_globals = Off
safe_mode = Off
safe_mode_gi = Off
allow_url_include = Off
magic_quotes_gpc = Off
magic_quotes_runtime = Off
magic_quotes_sybase = Off
expose_php = Off
display_errors = On
log_errors = On
cgi.fix_pathinfo=0
sql.safe_mode = On
----------------------------------
Can attach info() page, but how must i do it?
I`ve got an own hosting, everything was fine, but now got some trouble without visible reason.
Now, i'm in a dead block. and I want to ask of community help.
prestashop-1.6.0.14
The front office working fine, but got a white screen of admin login page.
An error reporting returns nothing, the blank white page only.
A scripting protocol returns:
---------------
334","(Warning) Cannot modify header information - headers already sent by (output started at admin_folder/index.php:34)"
------------------------
But these are warnings only, and back office must work.
I have changed permissions to 0777 for all Prestashop root directory in all of depth, got a similar result.
The cache (/cache/smarty/cache & cache/smarty/compile) cleared manualy.
And location of web server are checked, the info() function returns a correct result from admin directory.
And memory_limit (php.ini) state of 256 Mb.
I have restored all from the working backup for a test, got the similar result.
Obviously, a problem is in a PHP settings or in extensions. But cannot found it myself. Please, HELP!!!
My php.ini
----------------------------
date.timezone = "Etc/GMT"
max_execution_time = 300
memory_limit = 256M
post_max_size = 30M
upload_max_filesize = 16M
max_input_time = 300
max_input_vars = 10000
suhosin.get.max_vars = 10000
suhosin.post.max_vars = 10000
allow_url_fopen = On
register_globals = Off
safe_mode = Off
safe_mode_gi = Off
allow_url_include = Off
magic_quotes_gpc = Off
magic_quotes_runtime = Off
magic_quotes_sybase = Off
expose_php = Off
display_errors = On
log_errors = On
cgi.fix_pathinfo=0
sql.safe_mode = On
----------------------------------
Can attach info() page, but how must i do it?
ANSWERS
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0
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Hello, Thank you for your question regarding a blank page in PrestaShop. I never recommend using 0777 permissions for files, since they can be accessed and modified by the "world" it can cause security issues/blocks. I recommend resetting your permissions to the standard settings, such as: public_html - 750 Folders - 755 CGI and Perl scripts - 755 .html .php and other Document Types - 644 As a test try Disabling Mod Security, this will rule out a possible security block. Have you tried making your php.ini recursive? What were you working on when this started happening? For example, did you get this issue immediately after installing PrestaShop, after updating, or after installing a new plugin/module? Just provide a link to any files, screenshots, or information you want to share. Thank you, John-Paul
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