I am trying to write a simple consumer for a rabbitMQ queue on which a DLX (binded to another queue is configured). I am using camel 3.14.5 at the moment. My camel route declaration looks like : And my connectionFactory : But then when my processor throw an exception I get the following logs : How should I co…
Tag: rabbitmq
RabbitMQ Streams
Using this document as a reference: https://blog.rabbitmq.com/posts/2021/07/rabbitmq-streams-first-application I have created a stream in RabbitMQ and added 1 million messages to it. I’m trying to read back all of the messages in the stream by doing the following: However, this will only print up to mes…
Does Spring AMQP CorrelationData getFuture wait indefinitely without timeout?
In the context of Publisher confirms, when waiting for the CorrelationData’s future (SettableListenableFuture#get()) – does it wait indefinitely or is there a timeout configured under the water? Answer It does wait indefinitely. There is just no any opinion and everything is delegated directly to …
Gatling JMS scenario does not terminate
I am trying to loadtest a simple request/reply scenario over a rabbitmq broker. This scenario sends a simple text message to the defined queue and then wait on the defined replyQueue for an answer. On the other side of the request queue is simple message listener that reads the JMSReplyTo field and sends a me…
invalid stream header – when publishing message manually on rabbitmq console
I have an application with spring-jms, spring-boot and rabbitmq-jms. When I try send a message and recieve by application runs successfully. But when I publish message manually on rabbitmq console I got error bellow on application listening: This is my JMS configuration Publishing message Consuming message li…
What kind of threading model changes led to DMLC
The doc explains why DMLC was introduced in version 2: https://docs.spring.io/spring-amqp/reference/html/#choose-container This architecture was required because, in early versions of the RabbitMQ client, multiple concurrent deliveries were not possible. Newer versions of the client have a revised threading m…
Rabbit MQ doesn’t flush acks?
The problem appeared in logs: Consumer failed to start in 60000 milliseconds; does the task executor have enough threads to support the container concurrency? We try to open handlers for like 50 queues dynamically by SimpleMessageListenerContainer.addQueueNames(), then application is started. It consumes some…
Dynamically configure RabbitMQ users and permissions with Java Spring AMQP
For security reasons, I want to configure separate user accounts with specific permissions to isolates queues in RabbitMQ. As users need to be a dynamic (adding new, removing deactivated…) I would like to achieve this with Java Spring AMQP. Creating queues, exchanges and bindings is possible with The Ra…
Java RabbitMQ: can’t map message to corresponding class
I have two different java spring projects that communicate through rabbitmq. I’m trying to send a java object but I get this error message: I’m aware that the problem is in the classpath that should be the same in both producer and consumer, but since each project has a different name I can’…
Sending messages from Java to RabbitMQ using com.rabbitmq.http.client.Client
I’m trying to send messages from a Java service to RabbitMQ. I’m using some Java RabbitMQ client library and trying to run the following code: In the last line (Client objectinitialization), the following error is thrown: java.lang.NoClassDefFoundError: org/springframework/http/converter/json/Jack…