java.net.SocketException: Connection reset while streaming data from MS SQL...
Hi I am getting the following error when reading data from MS SQL server using Alpakka slick connector using Akka Streams: java.net.SocketException: Connection reset It processes few records and then...
View ArticleAkka kubernetes api discovery - javax.net.ssl.SSLHandshakeException: General...
During a CA rotation our service stopped working. The readiness probe failed with the following error: {"@timestamp":"2021-01-29T12:38:57.943Z","@version":"1","message":"Querying for pods with label...
View ArticleA lot requests results in "response entity was not subscribed after ..."
Hi. I’ve already asked this question on StackOverflow, but nobody helps me. You can check it here. I will duplicate my problem here: I have an akka-streams application, and there is a graph which...
View ArticleHow to catch the exception when cluster initialized failed with classic...
Looks like we have a temporarily issue with our network, and our Akka app restarted but failed to initialize the cluster/classic remotting codes, and it remains as a stale process, we have to manually...
View ArticleAkka 2.6.12 released
Dear hakkers, We are pleased to announce a new patch release of Akka 2.6. This release is to fix a memory leak affecting streams creating many nested streams with flat map concat or merge. 2.6.12...
View ArticleThe first seed node won't join the cluster via other seed node after restarting
hi, I encountered this issue on our production cluster. I wonder if anyone else has experienced the same problem. I doubt it is a configuration issue on our side because the workaround config we used...
View ArticleDelete persistence Journal events once life cycle of behavior
I have setup a Persistence behavior using Akka Persistence Typed. Persistence Id will be created dynamically and internally a Supervisor/Router manages the short lived child actors. Also I am applying...
View ArticleActor processes messages way too late, dispatcher configuration problem?
Hi We use akka actors with persistence (postgresql database connected with akka-persistence-jdbc version 3.5.3) and cluster version 2.6.9 with scala version 2.13. There are two actors A and B which...
View ArticleLimits in the Number of ShardRegions in a Cluster
Hi all, Is there any limit for the number of ShardRegions in a cluster? Any considerable performance issue could be happened? In our design: We need about 20 ShardRegions (in each DC), Each...
View ArticleAkka Cluster is from unavailability to recovery, and member nodes cannot...
My example is modified from an official example: akka-sample-cluster-java， The configuration ： akka { loglevel = debug actor { provider = cluster serialization-bindings {...
View ArticleMQTT 5 via alpakka
Hello, I am not sure if this question has been asked before here. I did not find it, so I post: Our enterprise is now reaching the point where we need to support MQTT 5. This protocol version offers...
View ArticleAlpakka Kafka 2.0.7 released
Dear hakkers, Alpakka Kafka 2.0.7 contains updates to the testkit only. Alpakka Kafka TestKit Bug fix use the start/stop “restart” script for testkit testcontainers in the Alpakka Kafka testcontainer...
View Article"Address already in use" error from ScalaTestWithActorTestKit
with extends ScalaTestWithActorTestKit(ConfigFactory.parseString(""" // akka.persistence.testkit.events.serialize = off // akka { // remote { // artery.enabled = on // artery.transport = aeron-udp //...
View ArticleWhat is the folder of ddata-{akka-system-name}-replicator-2551 used for?
I’m using akka cluster, akka sharding and akka persistence for my system. When the system is running, I notice there is always a folder called ddata-{akka-system-name}-replicator-2551 created in the...
View ArticleAkka gRPC 1.1.0 released
ar hakkers, We’re happy to announce version 1.1.0 of Akka gRPC! gRPC is a transport mechanism for request/response and (non-persistent) streaming use cases. See Why gRPC? for more information about...
View ArticleMissing entries (events) in cassandra messages table
Hi, I have a strange issue with my persistence/eventsourcing/cluster/sharding system. I have millions of persistent actors that are short-living (2 to 7 days, mostly only 2) that model state. The idea...
View ArticlePersistence actor logging
Hi, how can se set im applicaiton.conf the logging level of a persistence shared actor? I am getting as debug level, some messages like: Received Journal Response:… Handle command:… Save snapshot…: 3...
View ArticleAlpakka not using more than one CPU core
Hi, We have created a Alpakka stream, which consumes Kafka message from a topic and then process those messages. These messages are processed in parallel, using mapAsyncUnordered with a configured...
View Articleakka.actor.Inbox gone from Akka 2.6+?
Our team was using a 2.4 version (Scala 2.11) of Akka for Java. We were tasked with upgrading this version, and when trying to go to the latest (2.6 with Scala 2.13), it looks like we’re using the...
View ArticleAkka Recovery Timedout
Hey guys! hope you all fine. We’ve a microservice using akka classic with persistence actor through Mongo (using reactivemongo). We’ve yesterday seen akka.persistence.RecoveryTimedOut: Recovery timed...
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