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Installing, updating or removing extensions in Plesk throws error: file segments is not readable

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kb: technical Plesk ABT: Group B

Applicable to:

  • Plesk for Linux
  • Plesk for Windows

Symptoms

  • On managing Plesk, for example:

    • using the search bar in top left corner
    • installing Plesk updates
    • installing, updating or removing extensions

    one of the following error is shown:

    The extension %%name%% was removed with errors: Error: GraphQL error: External exception. File '/opt/psa/var/search/segments_4b' is not readable. "

    PHP Warning: fread(): Length parameter must be greater than 0; File: /opt/psa/admin/plib/vendor/zendframework/zendsearch/library/ZendSearch/Lucene/Storage/File/Filesystem.php, Line: 148
    mmap() failed: [12] Cannot allocate memory
    PHP Fatal error: Out of memory (allocated 16777216) (tried to allocate 4512838288218564640 bytes) in /opt/psa/admin/plib/vendor/zendframework/zendsearch/library/ZendSearch/Lucene/Storage/File/Filesystem.php on line 152

    ERR [extension/revisium-antivirus] Execution of
    /opt/psa/admin/plib/modules/revisium-antivirus/scripts/pre-uninstall.php
    failed with exit code 1 and the output:
    ERR [panel] SQLSTATE[HY000]: General
    error: 1 no such table: pool:
    0:
    /opt/psa/admin/plib/modules/revisium-antivirus/library/Model/Pool.php:95
    PDO->prepare(string 'SELECT count(*) FROM pool WHERE
    status IN (2, 3)')
    ...
    3:
    /opt/psa/admin/plib/modules/revisium-antivirus/scripts/pre-uninstall.php:9
    ERROR: PDOException: SQLSTATE[HY000]: General error: 1 no such
    table: pool (Pool.php:95)

    Wrong segments.gen file format

    Wrong TermInfoFile file format

    Wrong norms file format.

  • Accessing Plesk extensions (e.g. ImunifyAV) show an empty page or an error 500

  • One of the following errors might be shown in the Plesk log file either /var/log/plesk/panel.log (Linux) or %plesk_dir%admin\logs\php_error.log (Windows):

    ERR [panel] Unsupported segments file format:
    0: /opt/psa/admin/plib/vendor/zendframework/zendsearch/library/ZendSearch/Lucene/Index.php:276
    ZendSearch\Lucene\Index->_readSegmentsFile()
    1: /opt/psa/admin/plib/vendor/zendframework/zendsearch/library/ZendSearch/Lucene/Index.php:420
    ZendSearch\Lucene\Index->__construct(string '/opt/psa/var/modules/catalog/search', boolean false)
    ...
    6: /opt/psa/admin/plib/modules/catalog/scripts/update-index.php:12
    ERROR: ZendSearch\Lucene\Exception\InvalidFileFormatException: Unsupported segments file format (Index.php:276)
    ...

    ERR [1] Exception: PHP Warning: fread(): Length parameter must be greater than 0; File: /opt/psa/admin/plib/vendor/zendframework/zendsearch/library/ZendSearch/Lucene/Storage/File/Filesystem.php, Line: 148
    file: /opt/psa/admin/plib/Smb/Exception/Syntax.php
    line: 56
    code: 0
    trace: #0 (0): Smb_Exception_Syntax::handleError(integer '2', string 'fread(): Length parameter must be greater than 0', string '/opt/psa/admin/plib/vendor/zendframework/zendsearch/library/ZendSearch/Lucene/Storage/File/Filesystem.php', integer '148', array)
    #1 /opt/psa/admin/plib/vendor/zendframework/zendsearch/library/ZendSearch/Lucene/Storage/File/Filesystem.php(148): fread(resource, integer '-5546308971613470365')

    ERROR: Out of memory (allocated 16777216) (tried to allocate 4080523509242931280 bytes) (Filesystem.php:152)
    ERR [1] /opt/psa/admin/bin/autoinstaller '--select-product-id' 'plesk' '--select-release-current' '--upgrade-installed-components' failed with message: Downloading file products.inf3: 0%
    Downloading file products.inf3: 100% was finished.
    Downloading file plesk.inf3: 0%
    ...
    Installing packages
    ERROR: Failed to install or upgrade the extension 'SEO Toolkit' (package: xovi):
    mmap() failed: [12] Cannot allocate memory
    PHP Fatal error: Out of memory (allocated 16777216) (tried to allocate 4080523509242931280 bytes) in /opt/psa/admin/plib/vendor/zendframework/zendsearch/library/ZendSearch/Lucene/Storage/File/Filesystem.php on line 152
    Warning! Not all packages were installed.
    ...

  • The segments file might be missing:

    # ls -la /opt/psa/var/search/segments_4b
    ls: cannot access /opt/psa/var/search/segments_4b: No such file or directory

  • One of the following messages might be shown in the /var/log/plesk/install/autoinstaller3.log or in the C:\ParallelsInstaller\autoinstaller3.log:

    Wrong segments.gen file format

    Wrong TermInfoFile file format

    Wrong norms file format.

    Extension package ext-xovi 1.1.4-43 installation failed with code 255, stdout: ~empty
    stderr:
    mmap() failed: [12] Cannot allocate memory
    PHP Fatal error: Out of memory (allocated 16777216) (tried to allocate 4080523509242931280 bytes) in /opt/psa/admin/plib/vendor/zendframework/zendsearch/library/ZendSearch/Lucene/Storage/File/Filesystem.php on line 152
    Warning! Not all packages were installed.

Cause

Segment files are missing or corrupted.

Resolution

Reinstall Plesk Catalog extension and recreate index files:

For Plesk on Linux:

  1. Connect to the server via SSH

  2. Remove the index files:

    # rm -rf /usr/local/psa/var/search/*

    # rm -rf /usr/local/psa/var/modules/catalog/search/*

    # rm -rf /opt/psa/var/search/*

  3. Reinstall Plesk Extension Catalog with the following command:

    # plesk bin extension -i catalog

  4. Recreate the indexes:

    # plesk daily SearchIndex

For Plesk on Windows:

  1. Connect to the server via RDP

  2. Delete all files in the folders %plesk_dir%var\search and %plesk_dir%var\modules\catalog\search

  3. Reinstall Plesk extension catalog with the following command:

    plesk bin extension -i catalog

  4. Recreate the indexes:

    plesk daily SearchIndex

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