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https://www.mulesoft.org/docs/site/3.3.0/apidocs/org/mule/processor/IdempotentRedeliveryPolicy.html
extends AbstractRedeliveryPolicy Implement a retry policy for Mule. This is similar to JMS retry policies that will redeliver a message a maximum number of times.
https://www.mulesoft.org/jira/browse/MULE-16205
This causes a livelock when the flow with the redelivery policy is processing more events taht the available CPU_LITE threads
https://blogs.mulesoft.com/dev/mule-school-2/reliable-acquisition-using-the-sftp-connector/
Aug 05, 2015 · An idempotent-redelivery-policy is now supported for the sftp connector. What this component does is to control how many times can each individual message be redelivered. It acts as a way of controlling how many times are we going to retry.
https://stackoverflow.com/questions/11711952/mule-message-redelivery
The maxRedelivery applies only for the jms transports and it is maintained for backwards compatibility. If the maxRedelivery threshold is overcome a MessageRedeliveredException is thrown and it's up to your configuration to handle it.. If you need a more configurable pattern I'd recommend you to use idempotent-redelivery-policy since it can be configured within many transports and offer you ...
http://www.archive.ricston.com/blog/how-not-to-perform-jms-redelivery/
Jan 28, 2014 · Mule decides which redelivery policy to use depending on which value is smallest. Consider a scenario where maxRedeliveryAttempts is set to 3, and maxRedelivery on the JMS connector is set to 5. Mule will use its own redelivery policy in favor of the JMS transport redelivery policy since maxRedeliveryAttempts is smaller.
https://docs.mulesoft.com/mule-runtime/3.9/idempotent-filter
Idempotent Redelivery Policy Defines a policy for processing the redelivery of the same message.
https://www.slideshare.net/ramanantd/mule-idempotent-filter-part-i
Jul 30, 2017 · Mule ESB – An ESB for the Modern Enterprise Attributes of idempotent-redelivery-policy 1 Attribute Type Required Default Description 1 maxRedeliveryCount integer No 5 The maximum number of times a message can be redelivered and processed unsuccessfully before triggering process-failed-message. 2 useSecureHash boolean No true Whether to use a secure hash algorithm to identify a redelivered …
https://docs.mulesoft.com/mule-runtime/4.2/migration-core-exception-strategies
The examples do not cover the migration of expressions used within the when attribute. See Migrating MEL to DataWeave for guidance with migrating expressions, and see Working With Throwables to use the Java module to analyze exceptions.
https://docs.mulesoft.com/mule-runtime/4.2/migration-core
Mule 3.x Component Mule 4.0 Replacement; All router. Use Scatter Gather instead or execute the operations one after the other with different target attributes and then use DW to merge results.. async[‘processingStrategy’] Async processing strategies are no longer needed with the non-blocking execution engine.
https://docs.mulesoft.com/mule-runtime/3.9/endpoint-configuration-reference
The redelivery policy uses an ObjectStore to keep track of a counter for the amount of attempts that have been done. Mule uses an internal ObjectStore by default, but you can set it up so that you use a custom one if you prefer. To change this ObjectStore, add an object-store-ref property:
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