Github user tzulitai commented on a diff in the pull request:
https://github.com/apache/flink/pull/1962#discussion_r123150036
--- Diff:
flink-connectors/flink-connector-elasticsearch-base/src/main/java/org/apache/flink/streaming/connectors/elasticsearch/ElasticsearchSinkBase.java
---
@@ -208,6 +222,13 @@ public void invoke(T value) throws Exception {
checkErrorAndRethrow();
elasticsearchSinkFunction.process(value, getRuntimeContext(),
requestIndexer);
+
+ // if there is a connectivity failure, then retry
+ if (failureThrowable.get() != null &&
--- End diff --
I'm wondering whether or not checking the exception type would be enough
for verifying the connectivity failure.
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