I see in the documentation ( https://www.elastic.co/guide/en/elasticsearch/reference/current/_installation.html ) it is recommended to use the oracle JDK version. Let me know whether we can use Open JDK instead of Oracle JDK, is there any impact of using Open JDK.

Oracle vs Open JDK version

spinscale (Alexander Reelsen) August 17, 2018, 10:22am 2

you can also try with openjdk, see https://www.elastic.co/support/matrix#matrix_jvm

note the minimum recommended versions

Elasticsearch version 6.8.6 oss unable to start

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