Pierre Villard created NIFI-15050:
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Summary: Handle 409 HTTP Conflict in
KubernetesConfigMapStateProvider
Key: NIFI-15050
URL: https://issues.apache.org/jira/browse/NIFI-15050
Project: Apache NiFi
Issue Type: Improvement
Reporter: Pierre Villard
Assignee: Pierre Villard
I faced an occurrence where the k8s config map state provider cannot update the
component's state because of a 409 conflict response.
I got an error similar to:
{code:java}
java.io.IOException: Failed to update state for Component with ID
[1b0d2d2a-bfeb-30de-b59f-df2326513a5f]
- Caused by: java.io.IOException: Failed to update state for Component with ID
[1b0d2d2a-bfeb-30de-b59f-df2326513a5f]
- Caused by: io.fabric8.kubernetes.client.KubernetesClientException: Failure
executing: PUT at:
https://.../nifi-component-1b0d2d2a-bfeb-30de-b59f-df2326513a5f. Message:
Operation cannot be fulfilled on configmaps
"nifi-component-1b0d2d2a-bfeb-30de-b59f-df2326513a5f": the object has been
modified; please apply your changes to the latest version and try again.
Received status: Status(apiVersion=v1, code=409,
details=StatusDetails(causes=[], group=null, kind=configmaps,
name=nifi-component-1b0d2d2a-bfeb-30de-b59f-df2326513a5f,
retryAfterSeconds=null, uid=null, additionalProperties={}), kind=Status,
message=Operation cannot be fulfilled on configmaps
"nifi-component-1b0d2d2a-bfeb-30de-b59f-df2326513a5f": the object has been
modified; please apply your changes to the latest version and try again,
metadata=ListMeta(_continue=null, remainingItemCount=null,
resourceVersion=null, selfLink=null, additionalProperties={}), reason=Conflict,
status=Failure, additionalProperties={}). {code}
While it is not clear how this happened, we should properly handle this HTTP
Conflict answer by getting the latest metadata and re-applying the update.
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