ILIAS-7-Install-Tutorial for Ubuntu 20.04

Troubleshooting

If composer fails (in my case for ILIAS 7.x)

Reason: Not supported plugins

  • Typical error messages are:
    • Script php setup/cli.php build-artifacts --yes handling the post-autoload-dump event returned with error code 255
    • HP Warning:  Private methods cannot be final as they are never overridden by other classes in /var/www/html/ilias/Customizing/global/plugins/Services/UIComponent/UserInterfaceHook/CtrlMainMenu/vendor/srag/removeplugindataconfirm/src/AbstractRemovePluginDataConfirm.php on line 161
    • Reason: Unsupported plugins
    • Solutions:
      • #1 Upgrade all these plugins so they support your ILIAS version. If this does not work
      • #2 Delete the plugins on the disk. Examples:
        • rm -R Customizing/global/plugins/Services/Repository/RepositoryObject/Openmeetings
        • rm -R Customizing/global/plugins/Modules/TestQuestionPool/Questions/assStackQuestion
        • rm -R Customizing/global/plugins/Libraries/ActiveRecord
    • If the problem persists, try: composer dump-autoload
  • The problem here is that the maintainer of the specific plugin uses class names that are reserved. 
  • The workaround is to delete the pluginfiles on disk. If you reinstall them, the error will occure after every update in the future. So it is a good idea to talk to the maintainer

Plugins are not deactivated

  • If you get the following error, you did not deactivate the plugin as I said
    • "File : ./Customizing/global/plugins/Modules/TestQuestionPool/Questions/assStackQuestion/classes/class.ilassStackQuestionPlugin.php . does not Exist for plugin: assStackQuestion Check if your plugin is still marked as active in the DB Table 'il_plugin' but not installed anymore."
      • cd /var/www/html/ilias
      • mkdir -p Customizing/global/plugins/Modules/TestQuestionPool/Questions
      • cd Customizing/global/plugins/Modules/TestQuestionPool/Questions
      • git clone https://github.com/ilifau/assStackQuestion.git
  • You can also manually disable the plugins in the database table "ilplugin" using phpmyadmin
  • Error: Wrong parameter count in ilias_de.lang in line 16631 (Value: ui#:#datetime_required#:Zeit/Datum erforderlich )! Please check your language file!
  • Solution: 
    • cd /var/www/html/ilias
    • git pull
    • If this not works, remove the language that fails first in ilias/lang an repeat the step

If there are no symbols right on top

  • Delete Browser Cache
  • Consider to create a menu item that leads to the loginpage
  • There is a mantis ticket allready

Error: Dieses Datei-Objekt wurde noch nicht migriert und es können keine neue Versionen angelegt werden. Wenden Sie sich an die Administratoren der Plattform

Cause: 

php setup/setup.php migrate

Leads to:

! [NOTE] There are 2 to run:
ilFileObjectMigrationAgent.ilFileObjectToStorageMigration: Migration of File-Objects to Storage service [remaining steps: 225054]
resourcestorage.ilStorageHandlerV1Migration: ilStorageHandlerV1Migration [done]
! [NOTE] Run them by passing --run <migration_id>, e.g. --run resourcestorage.ilStorageHandlerV1Migration

Explanation:

225054 Files are not converted yet.

Solution:

  • Run this command:  php setup/cli.php migrate --run ilFileObjectMigrationAgent.ilFileObjectToStorageMigration --steps 5000
  • The 5000 means, that each step will convert 5000 files. So your first value should be much smaller for testing, egg. 100

You uninstalled accidentally etherpadlite in Administration->Plugins

  • Load your databasebackup in to mysql (do not replace the orgin db!)
  • Install phpmyadmin
  • Export the tables
    • rep_robj_xpdl_data 
    • rep_robj_xpdl_adm
  • Do the following query (SQL field) nd export the result also into a file:
1
SELECT tree.* FROM tree LEFT JOIN object_reference AS oref ON (oref.ref_id = tree.child) LEFT JOIN object_data AS odat ON (odat.obj_id = oref.obj_id) WHERE odat.type = "xpdl";
  • Open the origin database also with phpmyadmin
  • Backup DB
  • Delete tables
    • rep_robj_xpdl_data 
    • rep_robj_xpdl_adm
  • Import the first two files to create new tables
  • Open the exported query in an editor and copy every segement that begins with INSERT INTO `tree` (`tree`, `child`, `parent`, `lft`, `rgt`, `depth`, `path`) VALUES and end with  411123.411124'); in the SQL field of the origin database an klick OK
  • Other SQL queries:
    • List all etrys in object_data table: SELECT oref.* FROM object_reference AS oref LEFT JOIN object_data AS odat ON (odat.obj_id = oref.obj_id) WHERE odat.type = "xpdl";
    • List all plugins: SELECT * FROM il_plugins;
    • List all Etherpads: SELECT COUNT(*) FROM rep_robj_xpdl_data;


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