spring-cloud-stream

问题 Sometimes, when we are stopping the application abruptly exception occurs that unlocking has been failed. Then the same group will never gets the messages. Other groups are getting messages. I am using the aws kinesis binder snapshot version. This is the error, when application is stopped. 2018-07-19 22:21:21.371 ERROR 60981 --- [s-shard-locks-1] a.i.k.KinesisMessageDrivenChannelAdapter : Error during unlocking: DynamoDbLock [lockKey=aaaa:myStream:shardId-000000000000,lockedAt=2018-07-19@22

问题 The topology I am looking for is So far I have not seen a way to define the topic per message in Cloud Stream. I understand that the consumers will be bound to specific topic but how does the producer sets the topic per message before sending the message to the exchange? source.output().send(MessageBuilder.withPayload(myMessage).build()); Does not provide any way to set the topic for the exchange to route to the proper consumer. Or maybe I don't understand something correctly? UPDATE I would

问题 The topology I am looking for is So far I have not seen a way to define the topic per message in Cloud Stream. I understand that the consumers will be bound to specific topic but how does the producer sets the topic per message before sending the message to the exchange? source.output().send(MessageBuilder.withPayload(myMessage).build()); Does not provide any way to set the topic for the exchange to route to the proper consumer. Or maybe I don't understand something correctly? UPDATE I would

问题 I launch Spring cloud data flow with docker-compose base on this website. https://dataflow.spring.io/docs/installation/local/docker/ I created 3 apps, Source, Processor & Sink. I ran export STREAM_APPS_URI=https://dataflow.spring.io/Einstein-BUILD-SNAPSHOT-stream-applications-kafka-maven When I run docker-compose -f ./docker-compose.yml -f ./docker-compose-prometheus.yml up, all my containers start up as specified in the docker-compose.yml and docker-compose-prometheus.yml. I proceed to

问题 I launch Spring cloud data flow with docker-compose base on this website. https://dataflow.spring.io/docs/installation/local/docker/ I created 3 apps, Source, Processor & Sink. I ran export STREAM_APPS_URI=https://dataflow.spring.io/Einstein-BUILD-SNAPSHOT-stream-applications-kafka-maven When I run docker-compose -f ./docker-compose.yml -f ./docker-compose-prometheus.yml up, all my containers start up as specified in the docker-compose.yml and docker-compose-prometheus.yml. I proceed to

问题 I m trying to read kafka using spring cloud stream kafka stream. then I aggregate the event in one min time window and wite it to the differnt topic. Then I need to read the aggregated event from the topic and write it to a different topic while binding the topic with the different topic in another kafka cluster. But I m getting the below binder exception. org.springframework.context.ApplicationContextException: Failed to start bean 'outputBindingLifecycle'; nested exception is java.lang

问题 I m trying to read kafka using spring cloud stream kafka stream. then I aggregate the event in one min time window and wite it to the differnt topic. Then I need to read the aggregated event from the topic and write it to a different topic while binding the topic with the different topic in another kafka cluster. But I m getting the below binder exception. org.springframework.context.ApplicationContextException: Failed to start bean 'outputBindingLifecycle'; nested exception is java.lang

问题 I'm following this Case Study, which is similar to mine where I want to receive thousand of files in a S3 bucket and launch the batch task which will consume them. But I'm getting: Problem occurred while synchronizing 'bucket' to local directory; nested exception is org.springframework.messaging.MessagingException: Failed to execute on session; nested exception is com.amazonaws.services.s3.model.AmazonS3Exception: Access Denied (Service: Amazon S3; Status Code: 403; Error Code: AccessDenied;

问题 Is it possible to log inbound messages from stream function? Is there some kind of interceptor that allows me to do that? 来源： https://stackoverflow.com/questions/65683790/spring-cloud-stream-kafka-streams-how-to-log-incomming-messages-in-stream

问题 I am a newbie in Spring cloud stream and rabbitmq. Recently I got an Exception after started one of my microservice. It is stating that could not register object because it is already registered, I think it is is because of the group name that assigned for each channel, please check the exception, 2018-05-28 10:01:38.420 ERROR 10244 --- [ask-scheduler-2] o.s.cloud.stream.binding.BindingService : Failed to create consumer binding; retrying in 30 seconds org.springframework.cloud.stream.binder