Avro Schema Compatibility In Kafka

Kevin Feasel

2018-03-27

Hadoop

Neha Bhardwaj walks us through an error in Kafka:

You might have come across a similar exception while working with AVRO schemas.

Kafka throws this exception due to a compatibility issue since the current schema is not compatible with the earlier schema registered on this topic.

You can check the current schema(s) on the topic using:
curl -X GET <a href=”http://localhost:8081/subjects//versions/”&gt;http://localhost:8081/subjects//versions/

Read on to understand what this error means and how you can fix it if you see it.

Related Posts

Testing Kafka Streams Applications

Yeva Byzek continues her series on testing Kafka-based streaming applications: When you create a stream processing application with Kafka’s Streams API, you create a Topologyeither using the StreamsBuilder DSL or the low-level Processor API. Normally, the topology runs with the KafkaStreams class, which connects to a Kafka cluster and begins processing when you call start(). For testing though, connecting to a running […]

Read More

Auto ML With SQL Server 2019 Big Data Clusters

Marco Inchiosa has a model scenario for using Big Data Clusters to scale out a machine learning problem: H2O provides popular open source software for data science and machine learning on big data, including Apache SparkTM integration. It provides two open source python AutoML classes: h2o.automl.H2OAutoML and pysparkling.ml.H2OAutoML. Both APIs use the same underlying algorithm implementations, […]

Read More

Categories

March 2018
MTWTFSS
« Feb Apr »
 1234
567891011
12131415161718
19202122232425
262728293031