Re: Endless loop restoring changelog topic

["Matthias J. Sax" <mj...@apache.org>]

Not sure.

Can you enable DEBUG logging on 
`org.apache.kafka.streams.processor.internals.StoreChangelogReader` to 
see if restore does make any progress?


-Matthias

On 7/20/21 5:41 AM, Alessandro Tagliapietra wrote:
>> I've tried to restart the streams application using at_least_once 
>> processing guarantee and it worked, restarted again in 
>> exactly_once_beta and it worked too.
>>
> Spoke too soon, after a while in exactly_once_beta the "Restoration in 
> progress for 1 partition" loop  started again.
> 
> 
>> Is there any reason why?
>>
>> On 7/20/21 2:09 PM, Alessandro Tagliapietra wrote:
>>> Hello everyone,
>>>
>>> after upgrading to kafka streams 2.8 we have one streams app that's 
>>> stuck trying to restore a store changelog topic, this is the debug 
>>> log of the app:
>>>
>>> https://gist.github.com/alex88/f31593aaabbd282b21f89a0252a28745
>>>
>>> I would like to avoid having to delete and recreate the topic, what 
>>> we should do?
>>>
>>> I've tried to switch back to exaclty_once (from exactly_once_beta) 
>>> but nothing changed.
>>>
>>> Thank you in advance
>>>