[jira] [Created] (FLINK-36673) Operator is not properly handling failed deployments without savepoints

["Yaroslav Tkachenko (Jira)" <ji...@apache.org>]

Yaroslav Tkachenko created FLINK-36673:
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             Summary: Operator is not properly handling failed deployments without savepoints
                 Key: FLINK-36673
                 URL: https://issues.apache.org/jira/browse/FLINK-36673
             Project: Flink
          Issue Type: Bug
          Components: Kubernetes Operator
            Reporter: Yaroslav Tkachenko
         Attachments: stacktrace.txt

I noticed an issue after upgrading Flink Kubernetes Operator from 1.9 to 1.10.

When I deploy a FlinkDeployment that fails during the startup, I get a "ReconciliationException: Could not observe latest savepoint information" (full stacktrace is attached). 

I think the issue was introduced here: [https://github.com/apache/flink-kubernetes-operator/pull/871.] *AbstractFlinkService.getLastCheckpoint* now throws a *ReconciliationException* when a savepoint is not available, and *SnapshotObserver.observeLatestCheckpoint* doesn't handle it properly. I think having no savepoint is completely normal in some situations (e.g. a brand new job). 



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