Applicable to:
- Plesk for Windows
Symptoms
-
Plesk is not accessible with one of the errors below:
PLESK_INFO: 500 Internal Error
PLESK_INFO: Fatal error: Class 'CommonPanel_Config_Defaults' not found in C:\Program Files (x86)\Parallels\Plesk\admin\plib\Plesk\Config.php on line 14
Fatal error: Class 'CommonPanel_Config_Defaults' not found in C:\Program Files (x86)\Parallels\Plesk\admin\plib\Plesk\Config.php on line 14CONFIG_TEXT: ERROR: Cannot redeclare Clue\StreamFilter\append() (previously declared in C:\Program Files (x86)\Plesk\admin\plib\vendor\clue\stream-filter\src\functions.php:17) (functions.php:27)
-
Plesk may show just an empty page.
-
The following errors on attempt to execute
plesk login
command:C:\> plesk login
exit status 255 -
Errors in Event Viewer:
CONFIG_TEXT: Execute plesksrvstartuphandler.exe C:\Program Files "(x86)\Plesk\admin\bin\plesksrv.exe" failed with error code 255:
at (execPleskUtil line 106)
at Execute C:\Program Files (x86)\Plesk\admin\bin\plesksrvstartuphandler.exe C:\Program Files "(x86)\Plesk\admin\bin\plesksrv.exe"(execPleskUtil line 111)
at Call startup handler(plesksrv::StartupHandlerThread::runProc line 495)
Execute file name: C:\Program Files (x86)\Plesk\admin\bin\plesksrv.exe -
One of the errors below is observed in
%plesk_dir%\admin\log\php_error.log
PLESK_INFO: PHP Parse error: syntax error, unexpected 'KŒûØ·' (T_STRING) in C:\Program Files (x86)\Plesk\admin\plib\api-common\cu.php on line 70
PHP Parse error: syntax error, unexpected '!' in C:\Program Files (x86)\Plesk\admin\plib\api-cli\CliUtilityRunner.php on line 36CONFIG_TEXT: PHP Fatal error: require(): Failed opening required 'C:\Program Files (x86)\Plesk\admin\plib\vendor\composer/../react/promise/src/functions_include.php' (include_path='C:\Program Files (x86)\Plesk\admin\plib\vendor/plesk/zf1/library;C:\Program Files (x86)\Plesk\admin\plib') in C:\Program Files (x86)\Plesk\admin\plib\vendor\composer\autoload_real.php on line 70
CONFIG_TEXT: ERROR: Cannot redeclare Clue\StreamFilter\append() (previously declared in C:\Program Files (x86)\Plesk\admin\plib\vendor\clue\stream-filter\src\functions.php:17) (functions.php:27)
The following may apply - error is shown in Plesk in the menu Tools & Settings:
CONFIG_TEXT: Error: Invalid URL was requested.
Cause
Corrupted PHP library files in subfolders of C:\Program Files (x86)\Plesk\admin\ folder.
Resolution
-
Connect to the server via RDP
-
Remove and replace the following folders from test server:
CONFIG_TEXT: C:\Program Files (x86)\Plesk\admin\htdocs
C:\Program Files (x86)\Plesk\admin\bin
C:\Program Files (x86)\Plesk\admin\plib -
Restart Plesk services How to restart the Plesk service
-
Restart IIS using the following command in a command prompt:
C:\> iisreset /restart
In case the issue persists, copy from a new setup Plesk php.ini file as probably is corrupted or empty.
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