Jun Qin created FLINK-18702:
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Summary: Flink elasticsearch connector leaks threads and
classloaders thereof
Key: FLINK-18702
URL: https://issues.apache.org/jira/browse/FLINK-18702
Project: Flink
Issue Type: Bug
Components: Connectors / ElasticSearch
Affects Versions: 1.10.1
Reporter: Jun Qin
Flink elasticsearch connector leaking threads and classloaders thereof. This
results in OOM Metaspace when ES sink fails and restarted many times.
This issue is visible in Flink 1.10 but not in 1.11 because Flink 1.11 does not
create new class loaders in case of recoveries
([FLINK-16408|https://issues.apache.org/jira/browse/FLINK-16408])
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