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Alpakka 2.0.0 RC1 released
@ennru wrote: Dear Hakkers, The Alpakka contributors are happy to announce the first release candidate for Alpakka 2.0! What is Alpakka? The Alpakka project is an open source initiative to implement...
View ArticleUnexpected ShardAllocationStrategy behavior
@bert wrote: Hi, in our application we noticed that the ShardAllocationStrategy sometimes behaves in an unexpected manner. We’re using Akka 2.5.27 (yes we’ll upgrade to 2.5.30). As an example, suppose...
View ArticleProxy try to register to itselves, so ClusterSharding does not work
@i.na wrote: Hello, I’m using akka cluster sharding feature. I have two nodes. one is worker node and the other one is proxy node. Configuration and the code of starting node are as follows. For proxy...
View ArticleAkka Persistence Cassandra 1.0.0-RC1 released
@patriknw wrote: This is the first release candidate for 1.0 Main highlights: Cassandra session, an Akka streams/Future based API for Cassandra, has been moved from the plugin to become Alpakka...
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No cache directives available
@kondaurovDev wrote: Hi, i use latest akka http within my java project I don’t have cache directives like cacheProhibitet, i only have ‘CacheConditionDirectives’. What am i doing wrong? I use intellij...
View ArticleNot able to Produce message to myTopic using Transactional.Sink when I'm...
@appy wrote: Hi I was trying to use Producer api like shown in Alpakka documentation. I’m able to consume record using Transactional source and Producer is created but not able to put message to topic...
View ArticleAlpakka Kafka connector in Akka Streams
@ullasdiwakar wrote: I am using Alpakka Kafka connector in the Source and using the flow to forward messages to an actor. There is no configuration for restart in the Source in case of error, but I...
View ArticleSftp error - Dying because - Idle connection
@kumargaurav.cdac wrote: I am trying to download files from sftp which are larger in size either 10 gb or more. while the first file is getting downloaded it throws below error then it doesn’t try to...
View ArticleHow to apply route rejection in routes individullay
@swaheed wrote: here is my route structure classA { implicit def classARejectionHandler = RejectionHandler.newBuilder() .handle { case MissingCookieRejection(cookieName) =>...
View ArticleMQTT only publishers
@tg44 wrote: Hello! My use-case only uses IoT publishers. So I started thinkering, and ended up with the decision that I will embed the MQTT-server to the backend, using the MQTT streaming connector...
View ArticleDistribute singletons across an Akka Cluster
@ripper64 wrote: I need to run several coordinators as singletons on a cluster and it might be to much load for one node. Is there a way to distribute the singletons across the cluster and not have...
View ArticleProblem with java.lang.IncompatibleClassChangeError in conjunction with Kryo
@lay wrote: Hello together, I have a problem with the error handling of an Exception of the type java.lang.IncompatibleClassChangeError in Akka 2.6.3 using classic persistence. Due to changes in the...
View ArticleGraphStage complete and get notification of downstream completion
@gioragutt wrote: Hi! I have a graph that I create with the GraphDSL in java. The structure of the graph is something like this: (S1) (S2) ... (SN) (SourceQueue) V V V V (connect to merge). V (via) V...
View ArticleConsistency of shard coordinator
@dricketts wrote: How does the shard coordinator (in distributed data mode) guarantee that an entity runs on at most one node at a time, given that distributed data mode is only eventually consistent?...
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Memor Leak in akka.dispatch.forkjoin.ForkJoinTask?
@eugenemiretsky wrote: Hey, I have a simple HTTP Application with a small in memory cache that fetches values from Redis. The amount of data promoted seems to slowly increase, where the survivor space...
View ArticleLoad Balancing in Akka Stream application
@Euqinu wrote: Hi, I have an application based on Akka streams. The application takes the input from one Kafka topic, processes it and again sends the processed data to another Kafka topic. Basically,...
View ArticleAkka cluster with artery.tcp
@haghard wrote: Hello everyone. I use akka 2.6.4 cluster with artery running on kubernetes and I see log messages like that: WARN ka.actor.default-dispatcher-27 a.r.a.c.InboundActorRefCompression...
View ArticleIteratively create and concat Sources based on previous Source output
@matlik wrote: I have an HTTP service that streams responses for a maximum time duration. After this timeout is reached, the stream will stop even if all desired data has not yet been retrieved. In...
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Kafka - Ability to react on message publication result
@sebarys wrote: Hello everyone, We’ve tried to use alpakka kafka library (https://doc.akka.io/docs/alpakka-kafka/current/home.html) to implement following scenario: some application parts must send...
View ArticleAlpakka elasticsearch7.x version
@nicebalu wrote: is there any ETA on alpakka elasticsearch with newer version of elasticseach i.e., 7.x ? because there is drastic change in elastic APIs & also no doc types in the newer versions...
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