diff options
Diffstat (limited to 'doc/development/rails_initializers.md')
| -rw-r--r-- | doc/development/rails_initializers.md | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/doc/development/rails_initializers.md b/doc/development/rails_initializers.md index 68f3c07e45a..fca24cf8c01 100644 --- a/doc/development/rails_initializers.md +++ b/doc/development/rails_initializers.md @@ -29,12 +29,18 @@ query) from an initializer means that tasks like `db:drop`, and `db:test:prepare` will fail because an active session prevents the database from being dropped. -To help detect when database connections are opened from initializers, we now -warn in `STDERR`. For example: +To prevent this, we stop database connections from being opened during +routes loading. Doing will result in an error: ```shell -DEPRECATION WARNING: Database connection should not be called during initializers (called from block in <module:HasVariable> at app/models/concerns/ci/has_variable.rb:22) +RuntimeError: + Database connection should not be called during initializers. +# ./config/initializers/00_connection_logger.rb:15:in `new_client' +# ./lib/gitlab/database/load_balancing/load_balancer.rb:112:in `block in read_write' +# ./lib/gitlab/database/load_balancing/load_balancer.rb:184:in `retry_with_backoff' +# ./lib/gitlab/database/load_balancing/load_balancer.rb:111:in `read_write' +# ./lib/gitlab/database/load_balancing/connection_proxy.rb:119:in `write_using_load_balancer' +# ./lib/gitlab/database/load_balancing/connection_proxy.rb:89:in `method_missing' +# ./config/routes.rb:10:in `block in <main>' +# ./config/routes.rb:9:in `<main>' ``` - -If you wish to print out the full backtrace, set the -`DEBUG_INITIALIZER_CONNECTIONS` environment variable. |