Issue with using embedded kafka

[Himani Arora]

Hi, this is the stack trace that I get whenever I try to produce a message :

[warn] a.c.s.ShardRegion - Trying to register to coordinator at [Some(ActorSelection[Anchor(

akka://user-impl-application/), Path(/system/sharding/UserEventProcessorCoordinator/singleton/coordinator)])], but no acknowledgement. Total [1] buffered messages.
[warn] a.c.s.ShardRegion - Retry request for shard [usercrud.user.impl.events.UserEvent] homes from coordinator at [Actor[akka://user-impl-application/system/sharding/UserEventProcessorCoordinator/singleton/coordinator#1816980382]]. [1] buffered messages.
[info] c.k.u.u.i.e.UserEventProcessor -  buildHandler method ...
[warn] a.c.s.ShardRegion - Trying to register to coordinator at [Some(ActorSelection[Anchor(akka://user-impl-application/), Path(/system/sharding/kafkaProducer-greetingsCoordinator/singleton/coordinator)])], but no acknowledgement. Total [1] buffered messages.
[warn] a.c.s.ShardRegion - Retry request for shard [singleton] homes from coordinator at [Actor[akka://user-impl-application/system/sharding/kafkaProducer-greetingsCoordinator/singleton/coordinator#-1520459998]]. [1] buffered messages.


And if I subscribe to the topic, I get the following warnings:

[warn] o.a.k.c.NetworkClient - Error while fetching metadata with correlation id 1 : {greetings=LEADER_NOT_AVAILABLE}
[warn] o.a.k.c.NetworkClient - Error while fetching metadata with correlation id 2 : {greetings=LEADER_NOT_AVAILABLE}
[warn] o.a.k.c.NetworkClient - Error while fetching metadata with correlation id 4 : {greetings=LEADER_NOT_AVAILABLE}

[James Roper]

Hi Himani,

Do the messages eventually get through, or are you seeing no messages get through?  Sometimes it can take time for a Lagom system to fully form a cluster, and those warnings are what you may see when it's doing that, you can usually ignore them, as long as they eventually go away once the system is running and stable.

Regards,

James

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[Himani Arora]

Hi,

No the message do not get through. I am not able to figure out what I am missing.

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Regards/Thanks,

Himani Arora,

[Tim Moore]

Hi Himani,

Could you post the complete output you're getting from the start? Is this when you're running sbt runAll or mvn lagom:runAll or are you running in a production environment?

Thanks,

Tim

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Tim Moore

Senior Engineer, Lagom, Lightbend, Inc.

tim....@lightbend.com
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