Sergey Kononov created FLINK-35892:
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Summary: Flink Kubernetes Operator docs lacks info on
FlinkSessionJob submission
Key: FLINK-35892
URL: https://issues.apache.org/jira/browse/FLINK-35892
Project: Flink
Issue Type: Improvement
Components: Kubernetes Operator
Affects Versions: kubernetes-operator-1.9.0
Reporter: Sergey Kononov
Hello,
After FLINK-26808 fix a job submission to Flink session cluster via Flink
Kubernetes Operator (FKO) is still impossible without setting config option
web.submit.enable to true. If it's false FKO produces an exception:
{{i.j.o.p.e.ReconciliationDispatcher [ERROR][fko/jobname] Error during event
processing ExecutionScope\{ resource id: ResourceID{name='jobname',
namespace='fko'}, version: 173807615} failed.}}
{{org.apache.flink.kubernetes.operator.exception.ReconciliationException:
java.util.concurrent.ExecutionException:
org.apache.flink.runtime.rest.util.RestClientException: [POST request not
allowed]}}
As I understand it is an intended behavior as FKO uses {{/jars/*}} REST
endpoints to submit jobs to a session cluster and they are not initialized if
web.submit.enable is false.
I would suggest to mention in FKO docs
([here|https://github.com/apache/flink-kubernetes-operator/blob/main/docs/content/docs/custom-resource/overview.md#flinksessionjob-spec-overview[]|https://github.com/apache/flink-kubernetes-operator/blob/main/docs/content/docs/custom-resource/overview.md#flinksessionjob-spec-overview])
that the option web.submit.enable should be set to true if one intends to use
FKO with the session cluster. I lost quite a lot of time to figure this out.
Best regards,
Sergey
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