Sqoop的权限异常 [英] Permission exception for Sqoop

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本文介绍了Sqoop的权限异常的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!

问题描述

Stack:使用Ambari 2.1安装了HDP-2.3.2.0-2950

Stack : Installed HDP-2.3.2.0-2950 using Ambari 2.1

安装是自动的.因为这些机器(总共9个节点)具有Internet连接,并且是使用根凭据完成的.

The installation was auto. as the machines(total 9 nodes) had Internet connectivity and was done using root credentials.

一个ls命令输出以供参考(缺少qoop用户):

An ls command output for reference(sqoop user IS missing) :

[root@l1031lab ~]# hadoop fs -ls /user
Found 7 items
drwx------   - accumulo  hdfs          0 2015-11-05 14:03 /user/accumulo
drwxrwx---   - ambari-qa hdfs          0 2015-10-30 16:08 /user/ambari-qa
drwxr-xr-x   - hcat      hdfs          0 2015-10-30 16:17 /user/hcat
drwxr-xr-x   - hdfs      hdfs          0 2015-11-11 10:09 /user/hdfs
drwx------   - hive      hdfs          0 2015-11-06 09:42 /user/hive
drwxrwxr-x   - oozie     hdfs          0 2015-11-05 12:53 /user/oozie
drwxrwxr-x   - spark     hdfs          0 2015-11-05 13:59 /user/spark
[root@l1031lab ~]#
[root@l1031lab ~]#

当我想到用户组时,另一个令人担忧的(sqoop用户正在丢失)输出:

Another worrisome(sqoop user IS missing) output when I thought about the user groups :

cat /etc/group
root:x:0:
bin:x:1:bin,daemon
daemon:x:2:bin,daemon
sys:x:3:bin,adm
adm:x:4:adm,daemon
tty:x:5:
disk:x:6:
lp:x:7:daemon
mem:x:8:
kmem:x:9:
wheel:x:10:
mail:x:12:mail
uucp:x:14:
man:x:15:
games:x:20:
gopher:x:30:
video:x:39:
dip:x:40:
ftp:x:50:
lock:x:54:
audio:x:63:
nobody:x:99:
users:x:100:oozie,ambari-qa,tez,falcon
dbus:x:81:
utmp:x:22:
utempter:x:35:
floppy:x:19:
vcsa:x:69:
cdrom:x:11:
tape:x:33:
dialout:x:18:
haldaemon:x:68:haldaemon
ntp:x:38:
saslauth:x:76:
mailnull:x:47:
smmsp:x:51:
stapusr:x:156:
stapsys:x:157:
stapdev:x:158:
sshd:x:74:
tcpdump:x:72:
slocate:x:21:
ovirtagent:x:175:
rpc:x:32:
rpcuser:x:29:
nfsnobody:x:65534:
munin:x:499:
screen:x:84:
scotty:x:999:
tquest:x:6382:
fuse:x:497:
httpfs:x:496:httpfs
knox:x:6383:
spark:x:6384:
hdfs:x:6385:hdfs
accumulo:x:495:
falcon:x:494:
flume:x:493:
hbase:x:492:
hive:x:491:
oozie:x:490:
storm:x:489:

使用Sqoop(以"sqoop" Linux用户身份)从SQL Server将表导入HDFS时:

While importing a table from sql server onto HDFS using Sqoop(as the 'sqoop' Linux user) :

ERROR tool.ImportTool: Encountered IOException running import job: org.apache.hadoop.security.AccessControlException: Permission denied: user=sqoop, access=WRITE, inode="/user/sqoop/.staging":hdfs:hdfs:drwxr-xr-x
        at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.check(FSPermissionChecker.java:319)
        at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.check(FSPermissionChecker.java:292)
        at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkPermission(FSPermissionChecker.java:213)
        at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkPermission(FSPermissionChecker.java:190)
        at org.apache.hadoop.hdfs.server.namenode.FSDirectory.checkPermission(FSDirectory.java:1771)
        at org.apache.hadoop.hdfs.server.namenode.FSDirectory.checkPermission(FSDirectory.java:1755)
        at org.apache.hadoop.hdfs.server.namenode.FSDirectory.checkAncestorAccess(FSDirectory.java:1738)
        at org.apache.hadoop.hdfs.server.namenode.FSDirMkdirOp.mkdirs(FSDirMkdirOp.java:71)
        at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.mkdirs(FSNamesystem.java:3896)
        at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.mkdirs(NameNodeRpcServer.java:984)
        at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.mkdirs(ClientNamenodeProtocolServerSideTranslatorPB.java:622)
        at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
        at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:616)
        at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:969)
        at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2137)
        at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2133)
        at java.security.AccessController.doPrivileged(Native Method)
        at javax.security.auth.Subject.doAs(Subject.java:415)
        at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2131)
        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.ipc.RemoteException.instantiateException(RemoteException.java:106)
        at org.apache.hadoop.ipc.RemoteException.unwrapRemoteException(RemoteException.java:73)
        at org.apache.hadoop.hdfs.DFSClient.primitiveMkdir(DFSClient.java:3010)
        at org.apache.hadoop.hdfs.DFSClient.mkdirs(DFSClient.java:2978)
        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:1043)
        at org.apache.hadoop.hdfs.DistributedFileSystem.mkdirs(DistributedFileSystem.java:1036)
        at org.apache.hadoop.mapreduce.JobSubmissionFiles.getStagingDir(JobSubmissionFiles.java:133)
        at org.apache.hadoop.mapreduce.JobSubmitter.submitJobInternal(JobSubmitter.java:144)
        at org.apache.hadoop.mapreduce.Job$10.run(Job.java:1290)
        at org.apache.hadoop.mapreduce.Job$10.run(Job.java:1287)
        at java.security.AccessController.doPrivileged(Native Method)
        at javax.security.auth.Subject.doAs(Subject.java:415)
        at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
        at org.apache.hadoop.mapreduce.Job.submit(Job.java:1287)
        at org.apache.hadoop.mapreduce.Job.waitForCompletion(Job.java:1308)
        at org.apache.sqoop.mapreduce.ImportJobBase.doSubmitJob(ImportJobBase.java:196)
        at org.apache.sqoop.mapreduce.ImportJobBase.runJob(ImportJobBase.java:169)
        at org.apache.sqoop.mapreduce.ImportJobBase.runImport(ImportJobBase.java:266)
        at org.apache.sqoop.manager.SqlManager.importTable(SqlManager.java:673)
        at org.apache.sqoop.manager.SQLServerManager.importTable(SQLServerManager.java:163)
        at org.apache.sqoop.tool.ImportTool.importTable(ImportTool.java:497)
        at org.apache.sqoop.tool.ImportTool.run(ImportTool.java:605)
        at org.apache.sqoop.Sqoop.run(Sqoop.java:148)
        at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
        at org.apache.sqoop.Sqoop.runSqoop(Sqoop.java:184)
        at org.apache.sqoop.Sqoop.runTool(Sqoop.java:226)
        at org.apache.sqoop.Sqoop.runTool(Sqoop.java:235)
        at org.apache.sqoop.Sqoop.main(Sqoop.java:244)
Caused by: org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.security.AccessControlException): Permission denied: user=sqoop, access=WRITE, inode="/user/sqoop/.staging":hdfs:hdfs:drwxr-xr-x
        at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.check(FSPermissionChecker.java:319)
        at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.check(FSPermissionChecker.java:292)
        at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkPermission(FSPermissionChecker.java:213)
        at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkPermission(FSPermissionChecker.java:190)
        at org.apache.hadoop.hdfs.server.namenode.FSDirectory.checkPermission(FSDirectory.java:1771)
        at org.apache.hadoop.hdfs.server.namenode.FSDirectory.checkPermission(FSDirectory.java:1755)
        at org.apache.hadoop.hdfs.server.namenode.FSDirectory.checkAncestorAccess(FSDirectory.java:1738)
        at org.apache.hadoop.hdfs.server.namenode.FSDirMkdirOp.mkdirs(FSDirMkdirOp.java:71)
        at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.mkdirs(FSNamesystem.java:3896)
        at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.mkdirs(NameNodeRpcServer.java:984)
        at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.mkdirs(ClientNamenodeProtocolServerSideTranslatorPB.java:622)
        at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
        at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:616)
        at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:969)
        at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2137)
        at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2133)
        at java.security.AccessController.doPrivileged(Native Method)
        at javax.security.auth.Subject.doAs(Subject.java:415)
        at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2131)
        at org.apache.hadoop.ipc.Client.call(Client.java:1427)
        at org.apache.hadoop.ipc.Client.call(Client.java:1358)
        at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
        at com.sun.proxy.$Proxy14.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: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:187)
        at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
        at com.sun.proxy.$Proxy15.mkdirs(Unknown Source)
        at org.apache.hadoop.hdfs.DFSClient.primitiveMkdir(DFSClient.java:3008)
        ... 28 more

使用Sqoop(以Linux的"root"用户身份)从sql服务器将表导入HDFS时:

While importing a table from sql server onto HDFS using Sqoop(as the 'root' Linux user) :

ERROR tool.ImportTool: Encountered IOException running import job: org.apache.hadoop.security.AccessControlException: Permission denied: user=root, access=WRITE, inode="/user/root/.staging":hdfs:hdfs:drwxr-xr-x
        at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.check(FSPermissionChecker.java:319)
        at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.check(FSPermissionChecker.java:292)
        at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkPermission(FSPermissionChecker.java:213)
        at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkPermission(FSPermissionChecker.java:190)
        at org.apache.hadoop.hdfs.server.namenode.FSDirectory.checkPermission(FSDirectory.java:1771)
        at org.apache.hadoop.hdfs.server.namenode.FSDirectory.checkPermission(FSDirectory.java:1755)
        at org.apache.hadoop.hdfs.server.namenode.FSDirectory.checkAncestorAccess(FSDirectory.java:1738)
        at org.apache.hadoop.hdfs.server.namenode.FSDirMkdirOp.mkdirs(FSDirMkdirOp.java:71)
        at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.mkdirs(FSNamesystem.java:3896)
        at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.mkdirs(NameNodeRpcServer.java:984)
        at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.mkdirs(ClientNamenodeProtocolServerSideTranslatorPB.java:622)
        at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
        at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:616)
        at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:969)
        at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2137)
        at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2133)
        at java.security.AccessController.doPrivileged(Native Method)
        at javax.security.auth.Subject.doAs(Subject.java:415)
        at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2131)
        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.ipc.RemoteException.instantiateException(RemoteException.java:106)
        at org.apache.hadoop.ipc.RemoteException.unwrapRemoteException(RemoteException.java:73)
        at org.apache.hadoop.hdfs.DFSClient.primitiveMkdir(DFSClient.java:3010)
        at org.apache.hadoop.hdfs.DFSClient.mkdirs(DFSClient.java:2978)
        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:1043)
        at org.apache.hadoop.hdfs.DistributedFileSystem.mkdirs(DistributedFileSystem.java:1036)
        at org.apache.hadoop.mapreduce.JobSubmissionFiles.getStagingDir(JobSubmissionFiles.java:133)
        at org.apache.hadoop.mapreduce.JobSubmitter.submitJobInternal(JobSubmitter.java:144)
        at org.apache.hadoop.mapreduce.Job$10.run(Job.java:1290)
        at org.apache.hadoop.mapreduce.Job$10.run(Job.java:1287)
        at java.security.AccessController.doPrivileged(Native Method)
        at javax.security.auth.Subject.doAs(Subject.java:415)
        at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
        at org.apache.hadoop.mapreduce.Job.submit(Job.java:1287)
        at org.apache.hadoop.mapreduce.Job.waitForCompletion(Job.java:1308)
        at org.apache.sqoop.mapreduce.ImportJobBase.doSubmitJob(ImportJobBase.java:196)
        at org.apache.sqoop.mapreduce.ImportJobBase.runJob(ImportJobBase.java:169)
        at org.apache.sqoop.mapreduce.ImportJobBase.runImport(ImportJobBase.java:266)
        at org.apache.sqoop.manager.SqlManager.importTable(SqlManager.java:673)
        at org.apache.sqoop.manager.SQLServerManager.importTable(SQLServerManager.java:163)
        at org.apache.sqoop.tool.ImportTool.importTable(ImportTool.java:497)
        at org.apache.sqoop.tool.ImportTool.run(ImportTool.java:605)
        at org.apache.sqoop.Sqoop.run(Sqoop.java:148)
        at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
        at org.apache.sqoop.Sqoop.runSqoop(Sqoop.java:184)
        at org.apache.sqoop.Sqoop.runTool(Sqoop.java:226)
        at org.apache.sqoop.Sqoop.runTool(Sqoop.java:235)
        at org.apache.sqoop.Sqoop.main(Sqoop.java:244)
Caused by: org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.security.AccessControlException): Permission denied: user=root, access=WRITE, inode="/user/root/.staging":hdfs:hdfs:drwxr-xr-x
        at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.check(FSPermissionChecker.java:319)
        at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.check(FSPermissionChecker.java:292)
        at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkPermission(FSPermissionChecker.java:213)
        at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkPermission(FSPermissionChecker.java:190)
        at org.apache.hadoop.hdfs.server.namenode.FSDirectory.checkPermission(FSDirectory.java:1771)
        at org.apache.hadoop.hdfs.server.namenode.FSDirectory.checkPermission(FSDirectory.java:1755)
        at org.apache.hadoop.hdfs.server.namenode.FSDirectory.checkAncestorAccess(FSDirectory.java:1738)
        at org.apache.hadoop.hdfs.server.namenode.FSDirMkdirOp.mkdirs(FSDirMkdirOp.java:71)
        at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.mkdirs(FSNamesystem.java:3896)
        at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.mkdirs(NameNodeRpcServer.java:984)
        at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.mkdirs(ClientNamenodeProtocolServerSideTranslatorPB.java:622)
        at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
        at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:616)
        at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:969)
        at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2137)
        at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2133)
        at java.security.AccessController.doPrivileged(Native Method)
        at javax.security.auth.Subject.doAs(Subject.java:415)
        at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2131)
        at org.apache.hadoop.ipc.Client.call(Client.java:1427)
        at org.apache.hadoop.ipc.Client.call(Client.java:1358)
        at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
        at com.sun.proxy.$Proxy14.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: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:187)
        at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
        at com.sun.proxy.$Proxy15.mkdirs(Unknown Source)
        at org.apache.hadoop.hdfs.DFSClient.primitiveMkdir(DFSClient.java:3008)
        ... 28 more

当我使用Sqoop(作为"hdfs" Linux用户)将来自sql server的表导入HDFS时,它起作用,但是有一个错误日志语句

When I import a table from sql server onto HDFS using Sqoop(as the 'hdfs' Linux user), it works but there is ONE error log statement

 INFO sqoop.Sqoop: Running Sqoop version: 1.4.6.2.3.2.0-2950
16/05/04 16:34:13 WARN tool.BaseSqoopTool: Setting your password on the command-line is insecure. Consider using -P instead.
16/05/04 16:34:14 INFO manager.SqlManager: Using default fetchSize of 1000
16/05/04 16:34:14 INFO tool.CodeGenTool: Beginning code generation
16/05/04 16:34:14 INFO manager.SqlManager: Executing SQL statement: SELECT t.* FROM [DimSampleDesc] AS t WHERE 1=0
16/05/04 16:34:15 INFO orm.CompilationManager: HADOOP_MAPRED_HOME is /usr/hdp/2.3.2.0-2950/hadoop-mapreduce
Note: /tmp/sqoop-hdfs/compile/6f239d67662b5e2a3462b51268033d6e/DimSampleDesc.java uses or overrides a deprecated API.
Note: Recompile with -Xlint:deprecation for details.
16/05/04 16:34:17 ERROR orm.CompilationManager: Could not make directory: /root/.

我有以下问题:

  1. 为什么会出现错误,尽管有自动提示.安装,即我没有跳过任何服务/配置
  2. 执行Sqoop导入或MR的理想方式是什么(我的意思是应该使用各个用户)

推荐答案

您必须为启动命令的用户创建家庭用户(在HDFS上)

You have to create a home user (on HDFS) for the user who starts the command

启动sqoop命令时,Hadoop会将本地用户与HDFS用户映射,尝试查找/user/${USER.NAME}的主目录

When you start sqoop command, Hadoop will map the local user with an HDFS user, trying to locate the home which is /user/${USER.NAME}

似乎Hadoop超级用户是hdfs,因此您需要执行以下操作:

As it appears that Hadoop super user is hdfs so you need to do :

$ su - hdfs 'hadoop fs -mkdir /user/sqoop'
$ su - hdfs 'hadoop fs -chown sqoop:hdfs /user/sqoop '

,然后以用户sqoop

另一种替代方法是,将hive的暂存目录更改为所有用户都具有写入权限的其他HDFS位置(例如/tmp)

Another alternative, is to change hive' staging directory to some other HDFS location where all users have write access to ( like /tmp)

在hive-site.xml中

in hive-site.xml

<property>
  <name>hive.exec.stagingdir</name>
  <value>/tmp</value>
</property>

这篇关于Sqoop的权限异常的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!

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