SpringBoot Set spring.elasticsearch.socket-keep-alive default to true

Elasticsearch's first connection after a period of inactivity (about 30 min) causes a connection timeout. Set spring.elasticsearch.socket-keep-alive default to true can aviod this problem

Comment From: pivotal-cla

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Comment From: pivotal-cla

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Comment From: wilkinsona

Thanks for the suggestion. The Elasticsearch client does not have keep-alive enabled by default and we want to align with that. If you believe it should be enabled by default, please raise it with the client's maintainers.