How to write from Apache Flink to Elasticsearch

Question

I am trying to connect Flink to Elasticsearch and when I run the Maven project I have this error :

or another way to do it, I am using this example : https://github.com/keiraqz/KafkaFlinkElastic

Answer 1

The example you linked depends on various Flink modules with different version which is highly discouraged. Try setting them all to one version and see if this fixes the issue.