Hadoop Radoop:java.net.ConnectException:连接被拒绝：连接
我已经为单节点集群安装了Rapidminer、Radoop、Hadoop和Hive，并执行了Radoop连接，得到了如下错误Hadoop Radoop:java.net.ConnectException:连接被拒绝：连接,hadoop,hive,rapidminer,Hadoop,Hive,Rapidminer,我已经为单节点集群安装了Rapidminer、Radoop、Hadoop和Hive，并执行了Radoop连接，得到了如下错误 [Jan 28, 2017 12:28:27 AM]: Connection test for 'Kanni' started. [Jan 28, 2017 12:28:27 AM]: Using Radoop version 7.3.0. [Jan 28, 2017 12:28:27 AM]: Running tests: [Hive connection, Fetch
[Jan 28, 2017 12:28:27 AM]: Connection test for 'Kanni' started.
[Jan 28, 2017 12:28:27 AM]: Using Radoop version 7.3.0.
[Jan 28, 2017 12:28:27 AM]: Running tests: [Hive connection, Fetch dynamic settings, Java version, HDFS, MapReduce, Radoop temporary directory, MapReduce staging directory, Spark assembly jar existence, UDF jar upload, Create permanent UDFs]
[Jan 28, 2017 12:28:27 AM]: Running test 1/10: Hive connection
[Jan 28, 2017 12:28:27 AM]: Hive server 2 connection (localhost:10000) test started.
[Jan 28, 2017 12:28:28 AM] SEVERE: Test failed: Hive connection
[Jan 28, 2017 12:28:28 AM]: Cleaning after test: Hive connection
[Jan 28, 2017 12:28:28 AM]: Total time: 1.031s
[Jan 28, 2017 12:28:28 AM] SEVERE: java.sql.SQLException: Could not open client transport with JDBC Uri: jdbc:hive2://localhost:10000/default:
java.net.ConnectException: Connection refused: connect
[Jan 28, 2017 12:28:28 AM] SEVERE: Hive server 2 connection test failed. Please check that the server/daemon runs and is accessible on the address and port you specified.
[Jan 28, 2017 12:28:28 AM] SEVERE: Test failed: Hive connection
[Jan 28, 2017 12:28:28 AM] SEVERE: Connection test for 'Kanni' failed.
谁能帮我解决这个问题 检查Radoop和RapidMiner之间连接需要打开的端口。（名称节点、数据节点…） Hadoop和RapidMiner是在同一个系统上运行还是在Azure之类的云上运行？
您是否也可以与我们共享您的日志，以便我们可以仔细查看？这是因为hive无法连接到namenode-请确保所有hadoop服务都已启动并正在运行。（命令
jps