ApacheKafkaTutorials | Example Code for Kafka Tutorials @ Learning Journal | Pub Sub library
kandi X-RAY | ApacheKafkaTutorials Summary
kandi X-RAY | ApacheKafkaTutorials Summary
Example Code for Kafka Tutorials @ Learning Journal Visit for Tutorials.
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Top functions reviewed by kandi - BETA
- Command line .
- Create a Supplier from a byte array
- Serialize the Supplier into a byte array
- Saves and commit and commit .
- Partition a message to a specific topic .
- Get the offset for the given topic partition
- Invoked when a set of partitions have been revoked .
- Sets the field .
- Returns field value .
- This method is called when the producer completes .
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ApacheKafkaTutorials Examples and Code Snippets
Community Discussions
Trending Discussions on ApacheKafkaTutorials
QUESTION
I am try to understand Avro Serialization on Confluent Kafka along with Schema Registry usage. It was all going well till the end but the final expectations from AVRO made lots of Confusions to me. As per my reading and understanding, Avro Serialization gives us the flexibility that when we have a change in schema, we can simply manage that without impacting the older producer/consumer.
Following the same, I have developed a python producer which will Check for a Schema existence in Schema-Registry, if absent, create it and start Producing the json messages show below. When I need to change schema, I simply update it in my producer and this produces messages with new schema.
My Old Schema :
...ANSWER
Answered 2018-Oct-26 at 06:54It's not clear what compatibility setting you're using on the registry, but I will assume backwards, which means you would have needed to add a field with a default.
Sounds like you're getting a Python KeyError
because those keys don't exist.
Instead of msg.value()["non-existing-key"]
, you can try
option 1: treat it like a dict()
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Install ApacheKafkaTutorials
You can use ApacheKafkaTutorials 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 ApacheKafkaTutorials 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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