New in Symfony 4.3: Messenger failure transport
Contributed by
Ryan Weaver
in #30970.
The Messenger component provides a retry mechanism for messages. In Symfony 4.3 we've improved this feature to add a "failure" transport, so that messages that fail on all their retries can be collected in one spot and retried later if wanted.
Consider the following configuration:
1 2 3 4 5 6 7 8 9 10 11 12 | framework:
messenger:
failure_transport: failed
transports:
async:
dsn: 'amqp://'
failed:
dsn: 'doctrine://default?queue_name=failed'
routing:
'App\Message\SmsNotification': async
|
In this setup, SmsNotification would be retried three times on the async
transport and then finally sent to the failed transport. You can consume the
failed transport like a normal transport, but you should handle and consume
it by one of these new commands:
1 2 3 4 5 6 7 8 9 10 11 12 13 | $ php bin/console messenger:failed:show
There are 3 messages waiting in the failed transport.
--- --------------------------- ------------------- -----
Id Class Failed at Error
--- --------------------------- ------------------- -----
217 App\Message\SmsNotification 2019-04-10 22:12:01 ...
218 App\Message\SmsNotification 2019-04-10 22:12:00 ...
219 App\Message\SmsNotification 2019-04-10 22:11:59 ...
--- --------------------------- ------------------- -----
// Run "messenger:failed:show {id} -vv" to see message details
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 | $ php bin/console messenger:failed:show 217
There are 3 messages waiting in the failed transport.
----------- ---------------------------
Class App\Message\SmsNotification
Message Id 217
Failed at 2019-04-10 22:12:01
Error ...
Error Class Exception
Transport async
----------- ---------------------------
Re-run command with "-vv" to see more message & error details.
Run "messenger:failed:retry 217" to retry this message.
Run "messenger:failed:purge 217" to delete it.
|
Source: https://symfony.com/blog
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