When running an updb hook that alters nodes and does a lot of node saves on a site with recent items enabled. Each save triggers a menu rebuild, which can cause:
> SQLSTATE[23000]: Integrity constraint violation: 1062 Duplicate entry 'admi
> n_toolbar_content.menu_links:content.news_article.entity.313' for key 'id':
> INSERT INTO "menu_tree" ("id", "menu_name") VALUES (:db_insert_placeholder
> _0, :db_insert_placeholder_1); Array
> (
> [:db_insert_placeholder_0] => admin_toolbar_content.menu_links:content.
> news_article.entity.313
> [:db_insert_placeholder_1] => admin
> )
Run a updb hook doing a lot of node saves.
Only rebuild the menu if we are online (no maintenance mode).
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Fixed
2.0
Code
Issue #3395176: only run menu rebuild outside maintenance mode. And use...