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You have mismatched versions of elasticSearch among your nodes or you have a DB running a version of elasticSearch incompatible with the client's version. Try updating or downgrading so the versions match.
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java.lang.IllegalStateException: Message not fully read (response) for requestId [...], handler [org.elasticsearch.transport.TransportService$ContextRestoreResponseHandler/org.elasticsearch.action.support.nodes.TransportNodesAction$AsyncAction$1@44aa70c], error [false]; resetting