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https://issues.apache.org/jira/browse/FLINK-37370?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17948304#comment-17948304
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Jakob Homan commented on FLINK-37370:
-------------------------------------
Hey [~rmetzger] - we've hit this. Do you expect a 1.12 release will be rolled
soon to fix it? Happy to do a take a release candidate for a spin and give a
non-binding +1. Thanks.
> [Observer] Finished batch jobs throw ReconciliationException and never reach
> FINISHED in the CR
> -----------------------------------------------------------------------------------------------
>
> Key: FLINK-37370
> URL: https://issues.apache.org/jira/browse/FLINK-37370
> Project: Flink
> Issue Type: Bug
> Components: Kubernetes Operator
> Affects Versions: kubernetes-operator-1.10.0
> Environment: I've attached the flinkdeployment CR I used to locally
> replicate.
> Reporter: Luca Castelli
> Assignee: Luca Castelli
> Priority: Minor
> Labels: pull-request-available
> Fix For: kubernetes-operator-1.12.0
>
> Attachments: operator-log-batch-job.log, test-batch-job.yaml
>
>
> The root error (full logs attached):
>
> {code:java}
> Caused by: org.apache.flink.runtime.rest.util.RestClientException:
> [org.apache.flink.runtime.rest.handler.RestHandlerException: Checkpointing
> has not been enabled.
> at
> org.apache.flink.runtime.rest.handler.job.checkpoints.CheckpointingStatisticsHandler.createCheckpointingStatistics(CheckpointingStatisticsHandler.java:107)
> {code}
> # The job finishes successfully and the job status changes to FINISHED in
> memory
> # In the observation loop, in
> [AbstractFlinkService.getCheckpointInfo|https://github.com/apache/flink-kubernetes-operator/blob/main/flink-kubernetes-operator/src/main/java/org/apache/flink/kubernetes/operator/service/AbstractFlinkService.java#L570],
> the operator successfully connects to the Flink REST API
> # It tries to get checkpoint statistics via CheckpointingStatisticsHandler,
> but the handler throws an error because checkpointing is not enabled. This is
> an expected response since it's a batch job
> E.g. [http://localhost:8081/jobs/job-id/checkpoints]
> {code:java}
> { "errors": [ "org.apache.flink.runtime.rest.handler.RestHandlerException:
> Checkpointing has not been enabled.\n\tat
> org.apache.flink.runtime.rest.handler.job.checkpoints.CheckpointingStatisticsHandler.createCheckpointingStatistics(CheckpointingStatisticsHandler.java:107)\n\tat
>
> org.apache.flink.runtime.rest.handler.job.checkpoints.CheckpointingStatisticsHandler.handleCheckpointStatsRequest(CheckpointingStatisticsHandler.java:85)\n\tat
>
> org.apache.flink.runtime.rest.handler.job.checkpoints.CheckpointingStatisticsHandler.handleCheckpointStatsRequest(CheckpointingStatisticsHandler.java:59)\n\tat
>
> org.apache.flink.runtime.rest.handler.job.checkpoints.AbstractCheckpointStatsHandler.lambda$handleRequest$1(AbstractCheckpointStatsHandler.java:89)\n\tat
>
> java.base/java.util.concurrent.CompletableFuture$UniApply.tryFire(CompletableFuture.java:642)\n\tat
>
> java.base/java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:478)\n\tat
>
> java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)\n\tat
> java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)\n\tat
> java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)\n\tat
>
> java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)\n\tat
>
> java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)\n\tat
> java.base/java.lang.Thread.run(Thread.java:829)\n" ] }{code}
> 4. The REST endpoint exists but returns the exception which then bubbles
> up to
> {code:java}
> org.apache.flink.kubernetes.operator.exception.ReconciliationException: Could
> not observe latest savepoint information{code}
> in the operator and continues being thrown in a loop
> 5. The deployment is never cleaned up and never reaches a FINISHED JOB
> STATUS in the CR
>
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