springkafka | 最近在学习spring boot2和kafka。就用学着使用spring boot2与kafka集成。项目环境 | Pub Sub library
kandi X-RAY | springkafka Summary
kandi X-RAY | springkafka Summary
springkafka
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Top functions reviewed by kandi - BETA
- Sends messages
- Send a message
- Sets the id
- Sets the send time
- Sets the message message
- The KafkaListenerContainerFactory bean
- Add consumer configuration
- Create a Kafka consumer factory
- The Kafka template
- Get producer configuration
- Create a Kafka producer factory
- Entry point for the spring application
- Listen for Kafka events
springkafka Key Features
springkafka Examples and Code Snippets
Community Discussions
Trending Discussions on springkafka
QUESTION
We are using springboot and springkafka to consume and process the messages, and Appdynamics for capturing the Performance metrics.
Appdynamics is capturing the out going topics and metrics, but not detecting the incoming topic and the metrics.The solutions we tried
Custom configured the topics name in the backend
Set enable-kafka-consumer to true
Custom-interceptors.xml mentioned below
...
ANSWER
Answered 2022-Feb-17 at 12:37All settings are correct, but instead of our class name we have to point to the spring kafka class in custom-interceptors.xml
QUESTION
I have a use case where I am creating dynamic listeners based on API calls. After receiving a certain message, I am pausing the partition individually. For example, If I received a message with offset 100, then that partition will be paused. And this will be done for all partitions. After all the partitions are paused, I want to stop the container.
This is my code -
...ANSWER
Answered 2021-May-10 at 16:29You shouldn't pause the consumer directly - the container doesn't know that you have paused it; hence it returns false.
Call pausePartition
on the container instead.
Note that either way, the consumer won't actually pause until all the records from the previous poll are processed. Set max.poll.records
to 1 to pause immediately.
EDIT
This works just fine for me...
QUESTION
We are working on a requirement where the Spring-kafka consumer is committing to a topic and then should manually commit the offset.
One of the scenario that we are thinking is what happens when the consumer fails between the time that it submits the message to the topic and before the offset is manually committed. In such a scenario the application will reprocess the message and submit one more time resulting in duplicate messages in the topic.
Is there any way that both the activities can be part of a TransactionManager, so that it success/fails all ?
Configuration file
...ANSWER
Answered 2020-May-21 at 15:31Yes; see Transactions.
The container starts the transaction, any KafkaTemplate
send operations in the listener participate in the transaction; the container sends the offset(s) to the transaction and commits (if the listener exits normally).
There is no need to "manually" commit the offset.
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
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Install springkafka
You can use springkafka like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the springkafka component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer maven.apache.org. For Gradle installation, please refer gradle.org .
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