Michael Weiss created CAMEL-23032:
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Summary: camel-nats consumer sends ACK regardless of the Exchange
processing/delivery result
Key: CAMEL-23032
URL: https://issues.apache.org/jira/browse/CAMEL-23032
Project: Camel
Issue Type: Bug
Components: camel-nats
Affects Versions: 4.17.0
Environment: Test route with a built in error. Consumer sends ACK even
when the Exchange fails:
{code:yaml}
- route:
id: route-3401
from:
id: from-2566
uri: nats
parameters:
jetstreamEnabled: true
jetstreamName: test
durableName: camel
exchangePattern: InOut # Tested InOnly as well
pullSubscription: false
servers: nats:4222
topic: "456"
steps:
- log:
id: log-2580
message: ${body}
- setBody:
groovy:
expression: |
1/0
- to:
uri: log:logger
{code}
Reporter: Michael Weiss
h3. Expected behaviour
NATS consumer only acknowledges message that are successfully routed to the
producer, so they can be redelivered in case of an error. This is the behaviour
seen on other Message Queue Consumers like RabbitMQ.
h3. Tested behaviour
NATS consumer acknowledges any messages, regardless of if the Exchange
processing fails or suceeds
h3. Impact
Messages are lost and cannot be redelivered
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