I am trying to launch the hive command line interface in the Virtual box(Cloudera Quickstart VM). It throws the error as connection refused.   Here is the error   Logging initialized using configuration in jar:file:/usr/lib/hive/lib/hive-common-1.1.0-cdh5.14.0.jar!/hive-log4j.properties Exception in thread “main” java.lang.RuntimeException: java.net.ConnectException: Call From quickstart.cloudera/127.0.0.1 to quickstart.cloudera:8020 failed on connection exception: java.net.ConnectException: Connection refused; For more details see:http://wiki.apache.org/hadoop/ConnectionRefused ** at org.apache.hadoop.hive.ql.session.SessionState.start(SessionState.java:571)** ** at org.apache.hadoop.hive.cli.CliDriver.run(CliDriver.java:695)** ** at org.apache.hadoop.hive.cli.CliDriver.main(CliDriver.java:634)** ** at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)** ** at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)** ** at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)** ** at java.lang.reflect.Method.invoke(Method.java:606)** ** at org.apache.hadoop.util.RunJar.run(RunJar.java:221)** ** at org.apache.hadoop.util.RunJar.main(RunJar.java:136)** Caused by: java.net.ConnectException: Call From quickstart.cloudera/127.0.0.1 to quickstart.cloudera:8020 failed on connection exception: java.net.ConnectException: Connection refused; For more details see: http://wiki.apache.org/hadoop/ConnectionRefused ** at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)** ** at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)** ** at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)** ** at java.lang.reflect.Constructor.newInstance(Constructor.java:526)** ** at org.apache.hadoop.net.NetUtils.wrapWithMessage(NetUtils.java:791)** ** at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:731)** ** at org.apache.hadoop.ipc.Client.call(Client.java:1508)** ** at org.apache.hadoop.ipc.Client.call(Client.java:1441)** ** at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:230)** ** at com.sun.proxy.$Proxy17.getFileInfo(Unknown Source)** ** at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo(ClientNamenodeProtocolTranslatorPB.java:786)** ** at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)** ** at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)** ** at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)** ** at java.lang.reflect.Method.invoke(Method.java:606)** ** at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:258)** ** at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:104)** ** at com.sun.proxy.$Proxy18.getFileInfo(Unknown Source)** ** at org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:2154)** ** at org.apache.hadoop.hdfs.DistributedFileSystem$20.doCall(DistributedFileSystem.java:1265)** ** at org.apache.hadoop.hdfs.DistributedFileSystem$20.doCall(DistributedFileSystem.java:1261)** ** at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)** ** at org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1261)** ** at org.apache.hadoop.fs.FileSystem.exists(FileSystem.java:1418)** ** at org.apache.hadoop.hive.ql.session.SessionState.createRootHDFSDir(SessionState.java:665)** ** at org.apache.hadoop.hive.ql.session.SessionState.createSessionDirs(SessionState.java:606)** ** at org.apache.hadoop.hive.ql.session.SessionState.start(SessionState.java:547)** ** … 8 more** Caused by: java.net.ConnectException: Connection refused ** at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)** ** at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:739)** ** at org.apache.hadoop.net.SocketIOWithTimeout.connect(SocketIOWithTimeout.java:206)** ** at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:530)** ** at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:494)** ** at org.apache.hadoop.ipc.Client$Connection.setupConnection(Client.java:648)** ** at org.apache.hadoop.ipc.Client$Connection.setupIOstreams(Client.java:744)** ** at org.apache.hadoop.ipc.Client$Connection.access$3000(Client.java:396)** ** at org.apache.hadoop.ipc.Client.getConnection(Client.java:1557)** ** at org.apache.hadoop.ipc.Client.call(Client.java:1480)** ** … 28 more** ... View more