[FLINK-17159] Harden ElasticsearchSinkITCase

Before, it could happen that the embedded node is not ready. Now we wait
for nodes/data nodes to be live before returning from the initialization
method.
1 file changed
tree: f28ca856be0d3a0ff1412d42b3055f34c6341a35
  1. flink-connectors/
  2. .asf.yaml
  3. README.md
README.md

flink-connector-elasticsearch