How to call an existing akka cluster
Hello I have a running akka cluster that did some initial work and now this cluster is in iddle state. Each actor has an initialized context. I am using receptionlist. Everything works very well. I...
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JmsConsumer does not close connection on stream restart
Greetings all, I came across some struggle using akka-stream-alpakka-jms_2.13-5.0.0. The problem given a ConnectionFactory set with a clientId (due to being a durable topic subscription solution) var...
View ArticleHow to wait for file to write before reading it again for further processing
Hi, I am new to Akka and Alpakka so appreciate any help please. I am trying to save a tar.gz file, then unpack it and save the unpacked files, then read one of the unpacked files for further...
View ArticleWhy doesn't the EventSourcedBehaviorTestKit change state?
I declare the traits Command, Event and Aggregate. All of them extend the CborSerializable. The Aggragate carries the state of entity. trait CborSerializable trait Command extends CborSerializable...
View ArticleShare a client connection pool across the cluster
Hi, We are using ClusterSharding for our deployment and are now trying to integrate AkkaHttp Client into it. First we thought of using the CachedHostConnectionPool but it seems like it opens a pool...
View ArticleMessage was dropped. Due to overflow of send queue, size [3072]
hi team. my local Akka cluster version works with two VM. When I switched with more machines then I started to have this issue Message [xxx] to Actor[akka://xxx] was dropped. Due to overflow of send...
View ArticleSet type of service field in IP headers
Hi all, I would to know if there is a way to set the value of the differentiated service field in the IP header of the packets sent during an http request. In the documentation I saw that something...
View ArticleSet type of service field in IP headers
Hi all, I would to know if there is a way to set the value of the type of service field in the IP header of the packets sent during an http request. In the documentation I saw that this field that can...
View ArticleQuestion about serialization with @JsonTypeInfo
It’s actually not a question about Akka， but I really can’t solve it by myself. I declare a container Tree[T]. trait NodeId { def id: Int } trait Tree[T <: NodeId] { def find(id: Int): Option[T]...
View ArticleGet Actor reference from unique path
Hello I am struggling to get an actor reference from a dynamic path I created a bunch of actors at the root level with an unique name for each actor My idea is to allow after any new actor of my...
View ArticleHow to interact with an actor who is the child of a Sharded Actor in Akka Typed
Is there a way to send a direct message to a child actor of a Shard Actor, without going through the parent? I’m forced to send a message to the parent (EntityRef of the shard actor) which then...
View ArticleAkka Cluster Comunication Problem
Akka cluster node is constantly printing the following log. i can not figure out the problem. thx for help [INFO] [akkaDeadLetter][03/09/2023 13:12:24.640]...
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About Akka gRPC
Hi~ I’m trying to use Akka-gRPC .First , I flow the guide Server . My development environment: JDK 11.0.16 Maven configuration: <properties>...
View ArticleHow to implement ProtobufSerializer
Hello I can’t find relevant information to implement ProtobufSerializer instead of jackson-json Could you maybe confirm that ProtobufSerializer is more performant please? If so I should I implement...
View ArticleHow to organise Akka gRPC protobuf files in micro services?
Hi, We are struggling to figure out what is good way to organise Akka gRPC protobuf files in micro service architecture. For example, we have three micro services A,B and C where A and B accessing C...
View ArticleHow to keep track the id of entity between write side and read side?
I’m working on a project with CQRS pattern. By reading the Akka Guide :: Akka Guide (lightbend.com), I’m confused with keeping track the id of entity. In the Domain Layer, at the write side, I use...
View ArticleLightbend Tutorial doesn't work on SBT version 1.8.2
Hello, I’m current going through Lightbend’s tutorial on Microservices: Section 2: Start a project :: Akka Guide, however I’m running into an issue where if I upgrade the sbt.version to 1.8.2 and and...
View ArticleWhy does the dead letter happen?
It’s the entity Project. object Project { val EntityKey: EntityTypeKey[Command] = EntityTypeKey[Command](name = "Project") def init(system: ActorSystem[_]): Unit = {...
View ArticleSFTP Server: SSH-2.0-WeOnlyDo-wodFTPD
Hi, I’m triyng to connect to an SFTP Server: SSH-2.0-WeOnlyDo-wodFTPD 3.3.0.424, we get Broken Transport, Encounterd EOF. What can be done here, or at least where to look? 1 post - 1 participant Read...
View ArticleQuestion about changes to the Akka license
As far as I correctly understood the changes, nothing changes for development and other non-production work such as testing BSL v1.1. Production use of the software requires a commercial license. The...
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