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https://issues.apache.org/jira/browse/JAMES-3453?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Benoit Tellier closed JAMES-3453.
---------------------------------
Resolution: Fixed
> event-dead-letters-redeliver-all task blew up Cassandra
> -------------------------------------------------------
>
> Key: JAMES-3453
> URL: https://issues.apache.org/jira/browse/JAMES-3453
> Project: James Server
> Issue Type: Bug
> Components: cassandra
> Reporter: Benoit Tellier
> Priority: Major
>
> {code:java}
> $ curl -XGET http://127.0.0.1:8000/tasks/d6481452-0868-400c-bc7c-0a5e48350fbc
> | jq
> % Total % Received % Xferd Average Speed Time Time Time
> Current
> Dload Upload Total Spent Left Speed
> 100 547 0 547 0 0 6702 0 --:--:-- --:--:-- --:--:-- 6753
> {
> "additionalInformation": {
> "type": "event-dead-letters-redeliver-all",
> "successfulRedeliveriesCount": 0,
> "failedRedeliveriesCount": 0,
> "group": null,
> "insertionId": null,
> "timestamp": "2020-11-24T05:07:12.243412Z"
> },
> "status": "canceledRequested",
> "taskId": "d6481452-0868-400c-bc7c-0a5e48350fbc",
> "startedDate": "2020-11-24T05:07:12.275+0000",
> "canceledDate": "2020-11-24T05:45:16.069+0000",
> "submitDate": "2020-11-24T05:07:12.183+0000",
> "submittedFrom": "linagora.com",
> "executedOn": "linagora.com",
> "cancelledFrom": "linagora.com",
> "type": "event-dead-letters-redeliver-all"
> }
> {code}
> Manually aborted.
> There was a failure, that did NOT marked the task as canceled:
> {code:java}
> [ERROR] o.a.j.t.SerialTaskManagerWorker - Error while running task
> TaskId{value=d6481452-0868-400c-bc7c-0a5e48350fbc}
> => com.datastax.driver.core.exceptions.NoHostAvailableException
> {code}
> All subsequent tasks failed (cassandra driver pool, and Cassandra server did
> not recover yet).
> {code:java}
> [ERROR] o.a.j.t.e.d.RabbitMQWorkQueue - Unable to process taskId
> Optional[b74d18c5-de25-404e-aabf-45dffa505318]
> [ERROR] o.a.j.t.e.d.RabbitMQWorkQueue - Unable to deserialize submitted Task
> b74d18c5-de25-404e-aabf-45dffa505318
> {code}
> The usual suspect: 3 nested reactor flatMaps calls overwhelming the Cassandra
> driver.
> We should use lower defaults for Reactor flatmaps, and move away from the
> implicit query parameters...
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