《Spark环境部署》spark-shell环境下配置本地读入文本信息时出现报错： console>:17: error: not found: value sc

Spark环境部署,配置本地读入文本信息时出现报错：

Caused by: org.apache.hadoop.ipc.RemoteException: Cannot create directory /tmp/hive/root/648867dc-0554-406f-8a02-233cef6b6cf2. Name node is in safe mode.
The reported blocks 71 needs additional 2 blocks to reach the threshold 0.9990 of total blocks 73.
The number of live datanodes 1 has reached the minimum number 0. Safe mode will be turned off automatically once the thresholds have been reached.
at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkNameNodeSafeMode(FSNamesystem.java:1335)
at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.mkdirs(FSNamesystem.java:3874)
at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.mkdirs(NameNodeRpcServer.java:984)
at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.mkdirs(ClientNamenodeProtocolServerSideTranslatorPB.java:634)
at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)atorg.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:616)atorg.apache.hadoop.ipc.RPC$Server.call(RPC.java:982)
at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2217)atorg.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2213)atjava.security.AccessController.doPrivileged(NativeMethod)atjavax.security.auth.Subject.doAs(Subject.java:422)atorg.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1762)atorg.apache.hadoop.ipc.Server$Handler.run(Server.java:2211)
at org.apache.hadoop.ipc.Client.call(Client.java:1475)
at org.apache.hadoop.ipc.Client.call(Client.java:1412)
at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)atcom.sun.proxy.$Proxy22.mkdirs(Unknown Source)
at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.mkdirs(ClientNamenodeProtocolTranslatorPB.java:558)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:191)
at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
at com.sun.proxy.$Proxy23.mkdirs(Unknown Source)
at org.apache.hadoop.hdfs.DFSClient.primitiveMkdir(DFSClient.java:3000)
at org.apache.hadoop.hdfs.DFSClient.mkdirs(DFSClient.java:2970)
at org.apache.hadoop.hdfs.DistributedFileSystem$21.doCall(DistributedFileSystem.java:1047)
at org.apache.hadoop.hdfs.DistributedFileSystem$21.doCall(DistributedFileSystem.java:1043)
at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)
at org.apache.hadoop.hdfs.DistributedFileSystem.mkdirsInternal(DistributedFileSystem.java:1061)
at org.apache.hadoop.hdfs.DistributedFileSystem.mkdirs(DistributedFileSystem.java:1036)
at org.apache.hadoop.hive.ql.session.SessionState.createPath(SessionState.java:639)
at org.apache.hadoop.hive.ql.session.SessionState.createSessionDirs(SessionState.java:574)
at org.apache.hadoop.hive.ql.session.SessionState.start(SessionState.java:508)
… 84 more
:14: error: not found: value spark
import spark.implicits._
^
:14: error: not found: value spark
import spark.sql
^
Welcome to
scala> val textRDD = sc.testFile(“file:////access.txt”)
:17: error: not found: value sc
val textRDD = sc.testFile(“file:////access.txt”)

解决方法：
关闭Hadoop的安全模式即可：hadoop dfsadmin -safemode leave