Akka HTTP 10.2.7 Released with Security Fix
Dear hakkers, We are happy to announce the 10.2.7 release of Akka HTTP. This release is an important security fix release. This release fixes CVE-2021-42697, a parsing problem that can lead to a...
View ArticleOn the future of Akka & Lightbend
After the defacto abandonment of Play! and Lagom and the big highlighting of “Akka Serverless” I’m wondering what the planned future for Akka itself (and all the other akka-* modules/projects except...
View ArticleRolling restart slowness with Kubernetes and Akka sharded cluster
We have a setup of multiple roles representing different types of akka sharded clusters in Kubernetes. In our latest change we added several new sharded clusters. We noticed during rolling restart...
View ArticleDownloading zip file of a csv, from S3 bucket using Akka and Alpakka streams
I am having an issue for downloading S3 bucket content, which is for now a single zip file, unzip it and have it in memory. I couldn’t find relevant information, but I know I shall do something...
View ArticleHandling bursts of http calls in an orderly fasion
Hi, I’m going to exaggerate a bit here for illustrative purposes. Is it possible to configure akka-http such that even 100,000 POSTs sent within a space of 1 ms (part of the same tcp connection or...
View ArticleMessage lost on stopMessage processing during rolling restart
We have 2 pods and 2 actor cluster roles T and A. Each pod has the 2 cluster roles. Actor T1 sends a message to actors A1 and A2 while a rolling restart is happening. A1 gets the message. But A2...
View ArticleAlpakka S3 - not giving feedback (document not stored)
Hello everyone I am facing a weird issue with the Alpakka S3 sink/flow: I am not getting any feedback (errors) and no document is stored, but the stream continues. I should note that I am running...
View ArticleMigrating from 2.5.26 to 2.6.16, where is akka.actor.typed.Dropped?
Hi, I’m trying to migrate to 2.6.16 and it looks like akka.actor.typed.Dropped class has been removed. see https://doc.akka.io/api/akka/2.5.26/akka/actor/typed/Dropped.html and...
View ArticleActors misbehaving when service has multiple nodes
There’s a backend service that holds 2 instances on AWS. Service is communicating messages via actors. So, actors are created when the websocket request comes to the backend service. An actor can be...
View ArticleOffering elements to a Source in Akka typed
I’m refering to this documentation - Source Here under, the definition for Source, it says “You can push elements to the queue and they will be emitted to the stream if there is demand from...
View ArticleAkka Management - Clarification for version requirements
I’ve noticed the issues and PRs that say Akka Management was upgraded to Akka 2.6 as of the 1.1 update. However, the front Overview page of the documentation still states The current version may be...
View ArticleSink.asPublisher default time out behavior
Hello I wonder what is the reason behind Publisher created from Sink.asPublisher timing out behavior that is enabled by default? Is this to prevent resource leaking? I stumbled upon this some time ago...
View ArticleHaving Difficulty working with clusters
Hello I am tring to run the example at reactivedesignpatterns dot com lectures distributed1. ClusterMain runs successfully. Then ClusterWorker gets this error: Bind failed for TCP channel on endpoint...
View ArticleCould not run Distributed Actors on Cluster
Hello I am trying to run cluster example here: reactivedesignpatterns dot com but I receive this error when running ClusterWorker. I am new to Akka. What should I do? [ERROR] [akka.io.TcpListener]...
View ArticleHaving difficulty working with cluster structure
Hello I am trying to do the example at reactivedesignpatterns dot com, lectures,distributed1. First I run ClusterMain which runs smoothly. Then I run ClusterWorker. I receive following error. (I am...
View ArticleThe GRPC Quickstart does not compile
You can download it here: Akka gRPC Quickstart with Scala · Lightbend Tech Hub The error is: [error] (protocExecutable) lmcoursier.internal.shaded.coursier.error.FetchError$DownloadingArtifacts: Error...
View ArticleAkka HTTP 10.1.15 Released
Dear hakkers, We are happy to announce the 10.1.15 release of Akka HTTP. This release is an important security fix release. Note, that we do not plan any further releases for 10.1.x, so please...
View ArticleConsuming elements from a Source.queue and connecting to...
I am trying to process HTTP requests in a way that will not result in Exceeded configured max-open-requests value of [32] My idea for this is to use a cachedHostConnectionPool that will open a limited...
View ArticleClusterSharding stopping ShardedDaemonProcess actors
Hi, I currently have a process on which the ActorSystem starts a ShardedDaemonProcess across clusters. However, in some situations, I have to stop all the actors running on the actorSystem and...
View ArticleInitializing typed actor behavior from an async (bootstrap) call?
Hi I’m finally getting started with Akka Typed and I ran into this issue: My main/root actor needs to bootstrap the system from persistent state So from Behaviors.setup I would like to perform some...
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