BulkProcessor ADD send on closed channel

[cheaster062211]

Please use the following questions as a guideline to help me answer
your issue/question without further inquiry. Thank you.

Which version of Elastic are you using?

[*] elastic.v7 (for Elasticsearch 7.x)
[ ] elastic.v6 (for Elasticsearch 6.x)
[ ] elastic.v5 (for Elasticsearch 5.x)
[ ] elastic.v3 (for Elasticsearch 2.x)
[ ] elastic.v2 (for Elasticsearch 1.x)

Please describe the expected behavior

When using the bulkProcessor add function, under what circumstances will panic

Please describe the actual behavior

Any steps to reproduce the behavior?

[cheaster062211]

panic is send on closed channel What is the best posture to use bulkProcessor

[olivere]

There is a working recipe here. Notice that you should move to the official client ASAP.