Akka Projections 1.0.0-RC1 released
Dear Hakkers, The Akka contributors are happy to announce the first release candidate of Akka Projections, version 1.0.0-RC1. If no serious bug is reported this RC1 will become GA. We consider the API...
View ArticleAkka Streams: Force just one initial Publisher#request(1), no buffering
It appears that when subscribing to a Source, I get 2 events pulled from it, even if I limit the “input” buffer to its minimum size: .withAttributes(Attributes.inputBuffer(0, 1)) Minimal sample:...
View ArticleWhat are Cons and pros for KafkaProducer vs SendProducer?
Hi, I’m beginner… I wanna know more about SendProducer. I see the documentation that “For use-cases that don’t benefit form Akka Streams, the Send Producer offers a Future-based send API.” Future...
View ArticleWhat is best way to define http().bindAndHandle
Hi I need to build a project with akka typed and akka http so i have some questions: 1- when we use both akka(typed) and akka http , we must create two actorsystem? 2- what is the best way to define...
View ArticleWhy am I getting an overloaded method error, and how can I fix it?
I am building a WebSockets server. The center is a flow that manages the WebSockets messages coming in and out. The Flow needs to take an ActorSource, where that Actor becomes somewhat like the...
View ArticleChoosing actor in akka http
hi when using akka http, how we should choose actor? for example i have 6 api(6 route with many get-post methods): /user, /order, /admin, … all 6 api should be actor( i think this is true)? or no...
View ArticleAkka Kubernetes Error
Hi, I’m facing issue in akka cluster on kubernetes. [Cluster(akka://vishnu-controller)] - Cluster Node [akka://vishnu-controller@127.0.0.1:2550] - Started up successfully [2020-07-28 15:58:43,431]...
View ArticleAkka kubernetes errror
I’m facing this issue with akka cluster on kubernetes [2020-07-28 16:31:45,392] [WARN] [akka.management.cluster.bootstrap.internal.HttpContactPointBootstrap]...
View ArticleHow can I supervise an actor materialized out of an ActorSource?
Say I materialize an actor inside a Flow definition from an ActorSource argument that I passed into the GraphDSL.create() call. I want to ensure this actor is supervised; it forms an essential part of...
View ArticleAkka Streams takeWhile processing elements even after condition fails
EDIT: I think this may be a bug, so i have reported this as a bug as well. I have a very simple actor that just prints the number :- public class PrintLineActor extends AbstractLoggingActor {...
View ArticleMqttSink CircuitBreaker
Hi, I’m try to understand how integrate “Publish Mqtt” using CircuitBreaker to check broker Mqtt service. Can you help me with some code example please ? For http.singlerequest i have found docs and...
View ArticleAkka Use case discussion
Hi, I was exploring akka for one of the use-case where I need to shard and persist data. I want to build system which can easily scale up-to millions on entries with operations like: a) put - stores...
View ArticleSource.queue with cachedHostConnectionPool in Java
Hi, I am trying to use source.queue with cachedHostConnectionPool in java but not able to get the correct output. Below is my attempt at it. I am always getting success response, which i understand...
View ArticleAkka Persistence : PersistencePluginProxy setup failing
(topic withdrawn by author, will be automatically deleted in 24 hours unless flagged) 1 post - 1 participant Read full topic
View ArticleGetting Materializer.settings.maxFixedBufferSize
Upgrading Play framework version, which led to an Akka upgrade, which deprecated Materializer.settings, with a reference to “Use attributes to access settings from stages”. The attribute i need to...
View ArticleAkka HTTP 10.2.0 Released
Dear hakkers, We are happy to announce the 10.2.0 release of Akka HTTP. Akka HTTP 10.2 is a modernization release to improve the integration with the latest Akka versions, streamline APIs, and improve...
View ArticleProblem with Akka cluster aware Pool routers
Hi guys i have problem with Akka cluster aware routers, we have an routee actor with some constructor params , and one of the params is a java base RedisClient that is no serializable , and we we...
View ArticleRecommended new way to pass in TLSClientAuth in Akka HTTP 10.2 API
Hello, first let me say nice work on the Akka HTTP 10.2 release. The migration has been quite easy, and as an Akka gRPC users, many changes are greatly appreciated. The one question I have is that...
View ArticleHow to Passivate a EventSourcedBehavior entity
The only example in the documentation suggest to send a Passivate message to shard. https://doc.akka.io/docs/akka/current/typed/cluster-sharding.html#passivation shard.tell(new...
View ArticleACK the commitablereadresult using both source and destination are RabbitMQ...
I need to implement rabbitmq + alpakka combination. I have 2 queues in rabbitmq (sourceQ and destinationQ).Cosume from sourceQ and tranform the message and put out it back the new transformed message...
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