hive元数据报错?试了很多方法都没辙?也许你漏了这一步
进入hiveCLI后,输入show databases;
显示
FAILED: SemanticException org.apache.hadoop.hive.ql.metadata.HiveException: java.lang.RuntimeException: Unable to instantiate org.apache.hadoop.hive.ql.metadata.SessionHiveMetaStoreClient
解决办法
cd /export/servers/hive-1.1.0-cdh5.14.0/bin
./hive --service metastore &