The server stack trace. Present only if the error_trace=true parameter was sent with the request.
caused_by
object
root_cause
array[object]
suppressed
array[object]
total
numberRequired
Total number of nodes selected by the request.
successful
numberRequired
Number of nodes that responded successfully to the request.
failed
numberRequired
Number of nodes that rejected the request or failed to respond. If this value is not 0, a reason for the rejection or failure is included in the response.