[HUB] 500 - Internal Server Error

Refers to:

  • Plesk

Created:

2016-11-16 13:21:21 UTC

Modified:

2017-02-22 08:00:04 UTC

3

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[HUB] 500 - Internal Server Error

Table of contents

Linux:

Plesk is showing "500 - Internal Server Error" error

General troubleshooting steps

The reason of 500 error can be found in Plesk web server log, in order to find exact reason why Plesk does not work properly:

  1. Login to the server console and start tailing Plesk server log:

    # tail -fn0 /var/log/sw-cp-server/error_log
  2. Reproduce the issue: try to login to Plesk or to perform operation which fails.

  3. Use the error from the output and try to find a solution in our knowledgebase . The most popular issues are described below as well.

Known issues

  • #213940585 500 - Internal Server Error, /sbin/sysctl: Too many open files in system .

  • #213407729 500 - Internal Server Error, script '/var/www/vhosts/default/htdocs/wp-cron.php' not found or unable to stat .

  • #213385049 500 - Internal Server Error, Repository is not opened .

  • #213414169 500 - Internal Server Error, symbol lookup error: /usr/bin/sw-engine: undefined symbol .

  • #213921165 500 - Internal Server Error, [ERROR]: spawning fcgi failed. .

Websites are showing "500 - Internal Server Error" error

General troubleshooting steps

The reason of 500 error can be found in website log, in order to find exact reason why website does not work properly:

  1. Login to the server console and start tailing the website error log:

    # tail -fn0 /var/www/vhosts/system/example.com/logs/error_log
  2. Reproduce the issue: try to access website or to perform operation which fails.

  3. Use the error from the output and try to find a solution in our knowledgebase . The most popular issues are described below as well.

Known issues

  • #213374769 500 - Internal Server Error, mod_fcgid: read data timeout .

  • #213409529 500 - Internal Server Error, RewriteRule: bad flag delimiters .

  • #213951565 500 - Internal Server Error, Premature end of script headers .

  • #213407429 500 - Internal Server Error, (104)Connection reset by peer: mod_fcgid: error reading data from FastCGI server .

  • #213918445 500 - Internal Server Error, mod_fcgid: can't apply process slot for /var/www/cgi-bin/cgi_wrapper/cgi_wrapper .

  • #213923585 500 - Internal Server Error, Cannot allocate memory: mod_fcgid: can't run /var/www/cgi-bin/cgi_wrapper/cgi_wrapper .

  • #213380149 500 - Internal Server Error, failed to load external entity "/etc/php-fpm.conf .

  • #213929065 500 - Internal Server Error, failed to open log file /var/log/httpd/suexec_log .

  • #213389769 500 - Internal Server Error, server reached MaxClients setting .

Windows:

Plesk is showing "500 - Internal Server Error" error

General troubleshooting steps

The reason of 500 error can be found in Windows Event Viewer.

  1. Login to the server via RDP

  2. Check Plesk error log:

    "%plesk_dir%\\admin\\logs\\php_error.log"
  3. Press Win+R and type eventvwr command to open Event Viewer:

    • Check Plesk log under Application and Services logs
    • Check Application log under Windows logs
  4. Try to access Plesk locally via Windows Internet Explorer.

  5. Use the error from the output and try to find a solution in our knowledgebase . The most popular issues are described below as well.

Known issues

  • #213395889 500 - Internal Server Error, Fatal error 401: Mobile Connector initialization failed .

  • #213379889 500.19 - Internal Server Error, Error Code 0x80070005 .

  • #213408029 500 - Internal Server Error, Error Code 0xfffffffe .

  • #213366829 500 - Internal Server Error, An unknown FastCGI error occured .

  • #213364889 500.21 - Internal Server Error, Handler "PleskEngine-FastCGI-php" has a bad module "FastCgiModule" in its module list .

  • #213928925 500 - Internal Server Error, <handler> scriptProcessor could not be found in <fastCGI> application configuration .

  • #213369249 500 - Internal Server Error, Error Code 0x0000000 .

  • #114917 500 - Internal Server Error, ISAPI '%plesk_dir%\\admin\\bin\\php5isapi.dll' reported itself as unhealthy. No reason was given by the ISAPI. .

  • #213384909 500 - Internal Server Error, Exception: Package with UID '' not found .

  • #213362149 500 - Internal Server Error, Error Code 0x8007007e .

  • #213942825 500 - Internal Server Error, Unable to execute proc_open: The system can not find the file specified .

  • #213902925 500 - Internal Server Error, C:\\Program Files (x86)\\Parallels\\Plesk\\admin\\bin\\php-cgi.exe - The FastCGI process exited unexpectedly

  • #213924265 500 - Internal Server Error, Error Code 0xc0000005 .

  • #213916925 500.19 - Internal Server Error, Configuration file is not well-formed XML .

  • #213911025 500 - Internal Server Error, The ionCube Loader is a Zend-Engine extension and not a module .

Websites are showing "500 - Internal Server Error" error

General troubleshooting steps

The reason of 500 error can be found in Windows Event Viewer.

  1. Login to the server via RDP

  2. Press Win+R and type eventvwr command to open Event Viewer:

    • Check Application log under Windows logs
  3. Try to access website locally via Windows Internet Explorer.

  4. Use the error from the output and try to find a solution in our knowledgebase . The most popular issues are described below as well.

Known issues

  • #213379889 500.19 - Internal Server Error, Error Code 0x80070005 .

  • #213382249 500 - Internal Server Error, Error Code 0x800700b7 .

  • #213409549 500 - Internal Server Error on classic ASP page.

  • #213932945 Website is continuously loading and then fails: 500 - Internal Server Error

  • #213408589 500 - Internal Server Error, php-cgi.exe - The FastCGI process exited unexpectedly .

  • #213954185 500 - Internal Server Error, Unable to load dynamic library .

  • #213949485 500 - Internal Server Error, Error Code 0x800700c1 .

  • #213913765 500 - Internal Server Error, Failed to run command 'cmd /C ""C:\\Program Files (x86)\\Parallels\\Plesk\\bin\\ipmanage.exe" --xml-info"' Exit code: 1 .

  • #213936365 500 - Internal Server Error, Could not create a Disk Cache Sub-directory for the Application Pool .

  • #213939625 500.24 - Internal Server Error, An ASP.NET setting has been detected that does not apply in Integrated managed pipeline mode .

  • #213412329 500 - Internal Server Error, The FastCGI process exceeded configured activity timeout .

  • #213910445 500 - Internal Server Error, Calling LoadLibraryEx on ISAPI filter "C:\\Program Files (x86)\\Parallels\\Plesk\\isapi\\urlprotect.dll" failed .

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