Fabian Hueske created FLINK-3857:
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Summary: Add reconnect attempt to Elasticsearch host
Key: FLINK-3857
URL: https://issues.apache.org/jira/browse/FLINK-3857
Project: Flink
Issue Type: Improvement
Components: Streaming Connectors
Affects Versions: 1.0.2, 1.1.0
Reporter: Fabian Hueske
Currently, the connection to the Elasticsearch host is opened in
{{ElasticsearchSink.open()}}. In case the connection is lost (maybe due to a
changed DNS entry), the sink fails.
I propose to catch the Exception for lost connections in the {{invoke()}}
method and try to re-open the connection for a configurable number of times
with a certain delay.
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