ERROR: Couldn't open transport for host.impala:26000(connect() failed: Connectio
[size=large]今天impala集群在执行:invalidatemetadata;时,报ERROR:Couldn'topentransportforhost.impala:26000(connect()failed:Connectionrefused)经过分析后,发现主节点的catalog服务已经停了,没启动,serviceimpala-catalogstatusImpalaCatalog