错误: negotiation.cc:290] Failed RPC negotiation. Trace: 0713 17:40:48.131039 (+ 0us) reactor.cc:373] Submitting negotiation task for client connection to 10.10.10.121:7051 0713 17:40:48.131326 (+ 287us) negotiation.cc:281] Negotiation complete: Invalid argument: Client connection negotiation failed: client connection to 10.10.10.121:7051: unable to find SASL plugin: PLAIN Metrics: {“negotiator.queue_time_us”:223,”thread_start_us”:163,”threads_started”:1} W0713 17:40:48.131532 18878 heartbeater.cc:501] Failed to heartbeat to server-10-121:7051: Invalid argument: Failed to ping master at server-10-121:7051: Client connection negotiation failed: client connection to 10.10.10.121:7051: unable to find SASL plugin: PLAIN
yum install gcc python-devel
yum install cyrus-sasl*