doris版本4.1.3
connector方式：stream load
报错：Previous exception in task: Connect to Backend{host='doriscluster-sample-be-0.doriscluster-sample-be-internal.doris-413.svc.cluster.local', httpPort=-1, rpcPort=9060}failed.
emr访问k8s自建doris报错
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doris版本4.1.3
connector方式：stream load
报错：Previous exception in task: Connect to Backend{host='doriscluster-sample-be-0.doriscluster-sample-be-internal.doris-413.svc.cluster.local', httpPort=-1, rpcPort=9060}failed.
