Thank you for your reply.
>From the log, exit code is 0, and reason is Completed.
Looks like the cluster is fine. But why kubenetes restart the pod. As you
said, from perspective of Kubernetes everything is done. Then how to
prevent the restart?
It didn't even give chance to upload and run a jar....
Ports: 8081/TCP, 6123/TCP, 6124/TCP, 6125/TCP
Host Ports: 0/TCP, 0/TCP, 0/TCP, 0/TCP
Command:
/opt/flink/bin/entrypoint.sh
Args:
/opt/flink/bin/run-job-manager.sh
State: Waiting
Reason: CrashLoopBackOff
Last State: Terminated
Reason: Completed
Exit Code: 0
Started: Wed, 29 Sep 2021 20:12:30 -0700
Finished: Wed, 29 Sep 2021 20:12:45 -0700
Ready: False
Restart Count: 131
Thanks,
Qihua
On Thu, Sep 30, 2021 at 1:00 AM Chesnay Schepler <[email protected]> wrote:
> Is the run-job-manager.sh script actually blocking?
> Since you (apparently) use that as an entrypoint, if that scripts exits
> after starting the JM then from the perspective of Kubernetes everything is
> done.
>
> On 30/09/2021 08:59, Matthias Pohl wrote:
>
> Hi Qihua,
> I guess, looking into kubectl describe and the JobManager logs would help
> in understanding what's going on.
>
> Best,
> Matthias
>
> On Wed, Sep 29, 2021 at 8:37 PM Qihua Yang <[email protected]> wrote:
>
>> Hi,
>> I deployed flink in session mode. I didn't run any jobs. I saw below
>> logs. That is normal, same as Flink menual shows.
>>
>> + /opt/flink/bin/run-job-manager.sh
>> Starting HA cluster with 1 masters.
>> Starting standalonesession daemon on host job-manager-776dcf6dd-xzs8g.
>> Starting taskexecutor daemon on host job-manager-776dcf6dd-xzs8g.
>>
>>
>> But when I check kubectl, it shows status is Completed. After a while,
>> status changed to CrashLoopBackOff, and pod restart.
>> NAME READY
>> STATUS RESTARTS AGE
>> job-manager-776dcf6dd-xzs8g 0/1 Completed 5
>> 5m27s
>>
>> NAME READY
>> STATUS RESTARTS AGE
>> job-manager-776dcf6dd-xzs8g 0/1 CrashLoopBackOff 5
>> 7m35s
>>
>> Anyone can help me understand why?
>> Why do kubernetes regard this pod as completed and restart? Should I
>> config something? either Flink side or Kubernetes side? From the Flink
>> manual, after the cluster is started, I can upload a jar to run the
>> application.
>>
>> Thanks,
>> Qihua
>>
>
>
