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Akka Actor logging of line numbers

We are using Akka 2.4.19 with Scala 2.12.12. If I configure logback to log line numbers I only see: Slf4jLogger.scala:83 which is a class in the akka library. How do I get the real location of the...

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Akka Remote Performance issue

I am facing a performance issue in Akka remoting. I have 2 actors Actor1 and Actor2. The message sending between the actor is synchronous ask request from Actor1 to Actor2 and the response back from...

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Akka 2.5.32 released

Dear hakkers, We are pleased to announce the 2.5.32 patch release of Akka 2.5. The release backports some fixes. This is expected to be one of the last releases in the 2.5 series, and we encourage any...

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Connection was closed while response was still in-flight with localstack-s3

Hello, i’m running locally akka-stream-alpakka-s3 v2.0.2 scala 2.12.12 localstack v0.11.6 docker run -e SERVICES='s3' -e DEFAULT_REGION='eu-west-1' -p 4566:4566 -it localstack/localstack:0.11.6 create...

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How to restart the stopped Actor?

Hi everyone, github.com akka/alpakka-kafka/blob/master/core/src/main/scala/akka/kafka/internal/KafkaConsumerActor.scala#L564 val (resumeThese, pauseThese) =...

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Cluster Sharding - Persistence - Multiple Keyspaces

Hi everybody, I have a question about Akka Casssandra Persistance Plugin and Cluster Shard Persistence Plugin… In our project, we initially used one single Keyspace for Akka Cassapersistance Plugin...

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Unable to access akka documentation, server seems to be down and have a...

Unable to access akka documentation, server seems to be down and have a config issue eg: when accessing https://doc.akka.io/docs/akka/current/typed/index.html/ I get:...

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Actor Architecture: How to

Hello everyone. I’m extremely new to the Akka framework. I followed a lightbend certification on academy, and the full IoT tutorial on akka website. But now it’s time to try to put hands on it. I am...

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How to persist messages with new sequence Number in case of Recovery Failures

How to make sure that in case of Recovery failures, the queued messages for actor are persisted to Journal. I am using classic actors. But if the recovery fails, the messages in the queue are not...

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SOLVED: Scala Akka Typed: how to add a Jackson module to avoid...

Hi, I am having trouble de-serializing a Map[Address,Job] inside a State object. The problem stems from the fact that the de-serializer for the Address is not found. For this test:...

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Error while saving snapshot: (persistence_id, sequence_number) already exists

Hi, folks , I am getting the below error sometimes: Detail: Key (persistence_id, sequence_number)=(MEMBERSHIP-d8ec1971-f095-43d2-a69f-39772463fd90, 43) already exists. I am using postgres as database...

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"Retry request for shard"">Akka-Cluster: "Failed to persist event" =>"Retry request for shard"

Hi everyone, we are using Akka-Cluster-Sharding with the following components akka: 2.5.31 scala: 2.11 akka-persistence-cassandra: 0.102 We got an temporary perstistence issue after a GC pause on one...

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Typed actor references from Receptionist

I’m using akka 2.5.21, in Java. After registering the actors (and also spawning them) to a Receptionist I tried to look them up in another class with Receptionist.Find message. For this I created a...

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Akka 2.6.9 Artery Implementation listening on default port always i.e. 25502

I am using Akka 2.6.9 version in Java project. Project consist of multiple modules having port 2551 for 1st module and 2552 port for 2nd module with a common hostname(localaddress) and fetching the...

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Slick custom profile

Hello! Is there somewhere an example on how a Slick custom profile should look like ? Context: I want to use streaming with Slick/Alpakka with Dremio. It’s a little bit of a weird system (they don’t...

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Must EventSourcedBehavior.emptyState() return a new object?

Hello all, I’m new to this forum. Greetings! I’m using EventSourcedBehavior in Java. When implementing the emptyState() method, does the method body need to create a new instance of the state, or is...

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Akka http parameter optional dsl error

I have a route like /test?format=xx and parameter format is optional in scala, I wrote: path("test") { parameters("format".optional) {format => get { complete(...) } } But I got the following...

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Akka Persistence Cassandra - High RU/s on tag_views table

I’m currently using Akka Persistence w/ the Datastax Cassandra plugin against CosmosDB. I also leverage Akka Persistence Query to create a projection from a Cassandra Read Journal. (see below) The...

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Akka design advice

Hi everyone, I am very new to Akka and therefore an absolute beginner. I am trying get more familiar with it by writing a small personal project with Akka and so I am wondering how to do it “the right...

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Akka 2.6.9 -> Message Serialization failing with Artery and Java 8

Sending message remotely from one Node1 to other remote Node2 getting below error: Encoder[(akka://sys)] Failed to serialize message [ActorSelection(Class RemoteMessage)]. RemoteMessage class...

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