The localhost page isn t working localhost is currently unable to handle this request HTTP ERROR 500

Question

I know that there is some 500 Internal Server Error when is see this page      The localhost page isn   t working  localhost is currently unable to handle this request  HTTP ERROR 500   I have already set the variables display errors  On and error reporting   E ALL in my php ini config file and restarted the server    I still see the same page and not the actual error message that is causing the Internal Server Error  Why

User · Answer

Such kind of error normally happens when you try using functions like php_info() wrongly.

<?php 
     php_info(); // 500 error
     phpinfo(); // Works correctly
?>

A close look at your code will be better.

User · Answer

First of all check error log in the path that your webserver indicates  Then maybe the browser is showing friendly error messages  so disable it   https   superuser com questions 202244 show-http-error-details-in-google-chrome

User · Answer

If you are using the codeigniter framework and are testing the project on a localhost  open the main Index php file of your project folder and find this code   define  ENVIRONMENT    production      Change it to  define   ENVIRONMENT    development      Because same this ENVIRONMENT is in your database php file under config folder   like this     db debug    gt   ENVIRONMENT      development     So the environment should be the same in both places and problem will be solved

User · Answer

It maybe solve your problem  check your files access level    sudo chmod -R 777   your files location

User · Answer

Here s an answer to a 2-year old question in case it helps anyone else with the same problem   Based upon the information you ve provided  a permissions issue on the file  or files  would be one cause of the same 500 Internal Server Error    To check whether this is the problem  if you can t get more detailed information on the error   navigate to the directory in Terminal and run the following command   ls -la   If you see limited permissions - e g  -rw-------  against your file  then that s your problem   The solution then is to run chmod 644 on the problem file s  or chmod 755 on the directories   See this answer - How do I set chmod for a folder and all of its subfolders and files  - for a detailed explanation of how to change permissions   By way of background  I had precisely the same problem as you did on some files that I had copied over from another Mac via Google Drive  which transfer had stripped most of the permissions from the files     The screenshot below illustrates   The index php file with the -rw-------  permissions generates a 500 Internal Server Error  while the index finstuff php  precisely the same content   with -rw-r--r--  permissions is fine   Changing the permissions on the index php immediately resolves the problem   In other words  your PHP code and the server may both be fine   However  the limited read permissions on the file may be forbidding the server from displaying the content  causing the 500 Internal Server Error message to be displayed instead

User · Answer

I was using CakePHP and I was seeing this error   This page isn   t working localhost is currently unable to handle this request  HTTP ERROR 500   I went to see the CakePHP Debug Level defined at app config core php          CakePHP Debug Level        Production Mode      0  No error messages  errors  or warnings shown  Flash messages redirect        Development Mode      1  Errors and warnings shown  model caches refreshed  flash messages halted      2  As in 1  but also with full debug messages and SQL output      3  As in 2  but also with full controller dump        In production mode  flash messages redirect after a time interval     In development mode  you need to click the flash message to continue      Configure  write  debug   0     I chanted the value from 0 to 1   Configure  write  debug   1     After this change  when trying to reload the page again  I saw the corresponding error   Fatal error  Uncaught Exception  Facebook needs the CURL PHP extension    Conclusion  The solution in my case to see the errors was to change the CakePHP Debug Level from 0 to 1 in order to show errors and warnings

User · Answer

So  eventually I did that thing that all developers hate doing  I went and checked the server log files and found a report of a syntax error in line n   tail -n 20  var log apache2 error log

[php] The localhost page isn’t working localhost is currently unable to handle this request. HTTP ERROR 500

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