3、 java.sql.SQLException: Could not open client transport with JDBC Uri: jdbc:hive2://192.168.10.100:11111/default: java.NET.ConnectException: Connection refused
这是由于远程hive集群没有启动hiveserver2导致的。
4、出现异常
java.sql.SQLException: Error while processing statement: FAILED: Execution Error, return code 1 from org.apache.hadoop.hive.ql.exec.mr.MapRedTask