Mysterious chunking behaviour when using Akka HTTP
Hi everyone! When using chunked encoding I notice that I’m getting a chunk of len(1) as the first chunk. It could of course be something I’m doing, but I wasn’t expecting this. Any ideas? My test...
View ArticleProjection from events with protobuf serialization
Hi all, I implemented a Projection with Events from Akka Persistence serialized with the ProtobufSerializer. The projection is implemented in a different project and runs as a standalone process....
View ArticleOffset-reset-protection in combination with RestartSource
Hi and thanks for this great library(-ies), we use the alpakka Kafka connector in our project to consume messages from Apache Kafka and are currently investigating " unexpected consumer offset reset"...
View ArticleAlpakka Kafka Conditional Publish
Hello :) Can I ask how to do a conditional publish with msg data in the code shown in the following link? e.g. if msg.record.value contains some string, then publish otherwise skip etc. github.com...
View ArticlegRPC Stream Cancellation, under what conditions?
In an Akka streaming project we are seeing a very high volume of these error messages: Error in stage [akka.stream.scaladsl.MergeHub$$anon$2$$anon$3]: Upstream producer failed with exception, removing...
View ArticleFlexiflow and async boundary
Hi, I wonder if anyone could help clarify a point, does the flexiflow create asynchronous boundary around it or is it an operator that is also fused like any other ? 1 post - 1 participant Read full...
View ArticleHow to connect to redis in akka?
Hi friends, I have been trying to find resources on how to connect to redis on akka but I have not been successful. I could not find any good dependencies/libraries to use. Could someone enlighten me...
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How to create a priority based mailbox for an Akka actor [Java]
Hello! I want to prioritize by message type the order of the messages that will be read from the message queue by an Actor. For example: First Int message will be processed. Then String type message...
View ArticleCurrent state of Bulk Stream References
Hi, as mentioned in Bulk Stream References this feature is not implemented, but the referenced issue Bulk Transfer Stream Refs #24276 is marked as complete. Is there a way of already using the large...
View ArticleAkka Java Documentation Release 2.6.19
I have downloaded the Akka Java Documentation pdf version for the older Release 2.5.1, 2.0.x. I do not find the pdf version for the latest release 2.6.19 or any of the 2.6 releases? 1 post - 1...
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When is akka 2.5.x end of life
I could not see any official statement about EOL for akka 2.5.x. I could only found the following statement in 2.5.32 release notes: “This is expected to be one of the last releases in the 2.5 series,...
View ArticleHow to return a value of specific type?
I have a Manager class that supports different Actor commands and is the entry point for my Actor system. It routes the messages to the appropriate Worker through a Router. The main method calls the...
View ArticleAccess REST API on unix domain socket with Alpakka
Hi, I am trying to access REST API using Unix Domain Socket by following the link :Unix Domain Socket • Alpakka Documentation curl -k -v -X GET “http://localhost/test” --unix-socket...
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Akka Persistence and efficient querying for potential target Actor
Hello, I am currently evaluating Akka with Akka Persistence for new project in our company. I am new to DDD and builiding Microservices the reactive way (with actors and without), but I like what I...
View ArticleAkka Http Core - How to get Request Parameter?
Using akka-http, I just want to get a simple parameter from a request such as the “1234” in “http://site.com/login/?user=1234” One tutorial led me to create a Http server with (HttpRequest =>...
View ArticleWhere to find good Scala 3 Akka examples?
Where to find good Scala 3 Akka examples? I’m trying to find but its difficult 1 post - 1 participant Read full topic
View ArticleClusterSingleton on a ClusterSharding server
Hi everyone, I have a service running as ClusterSharding with some coordinators which are started from a InitActor using the ShardedDaemonProcess, and at the current time everything works and the...
View ArticleTypesafe.config version for akka
Hi. I’m upgrading our akka application from 2.5 to 2.6. I noticed that akka 2.6.19 is using typesafe.config 1.4.2, whereas we are using 1.3.1, which means this will be the class-path version. Would...
View ArticleHow to get exception information in akka.actor.typed.SupervisorStrategy?
when there is some problem(e.g. db Exception,biz Exception) in an Actor, I hope the actor can throw exception in which some detail error message included to it’s supervisor. The supervisor then can...
View ArticleAkka Persistence Updates to address CVEs
I’m using the release 1.0.5 of Akka Persistence Cassandra and Slick 3.3.3. There’s dependencies that are flagged with high vulnerabilities for these releases. The following dependent jars contain high...
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