我想模拟不同的用户以获取其配置单元表数据，但是似乎env始终保持原始值。我应该怎么做才能纠正它。
#!/bin/sh
exec scala -savecompiled "$0" "$@"
!#
import scala.sys.process._
val Array(db, table, user) = args
System.setProperty("HADOOP_USER_NAME", user)
val command = Seq("hive", "-e",
f"""SELECT * FROM `${db}`.`${table}` limit 5000""")
println(command)
command.!
错误如下
Logging initialized using configuration in jar:file:/opt/cloudera/bugfix/hive_cdh5.14.4/runtime/hive-common-1.1.0-cdh5.14.4.jar!/hive-log4j.properties
FAILED: SemanticException Unable to determine if hdfs://**************** is encrypted: org.apache.hadoop.security.AccessControlException: Permission denied: user=11, access=READ, inode="****************":hive:hive:drwxrwx--x
at org.apache.hadoop.hdfs.server.namenode.DefaultAuthorizationProvider.checkAccessAcl(DefaultAuthorizationProvider.java:363)
at org.apache.hadoop.hdfs.server.namenode.DefaultAuthorizationProvider.check(DefaultAuthorizationProvider.java:256)
at org.apache.hadoop.hdfs.server.namenode.DefaultAuthorizationProvider.checkPermission(DefaultAuthorizationProvider.java:168)
at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkPermission(FSPermissionChecker.java:152)
at org.apache.hadoop.hdfs.server.namenode.FSDirectory.checkPermission(FSDirectory.java:3887)
at org.apache.hadoop.hdfs.server.namenode.FSDirectory.checkPermission(FSDirectory.java:3870)
at org.apache.hadoop.hdfs.server.namenode.FSDirectory.checkPathAccess(FSDirectory.java:3841)
at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkPathAccess(FSNamesystem.java:6750)
at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getEZForPath(FSNamesystem.java:9403)
at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.getEZForPath(NameNodeRpcServer.java:1653)
at org.apache.hadoop.hdfs.server.namenode.AuthorizationProviderProxyClientProtocol.getEZForPath(AuthorizationProviderProxyClientProtocol.java:931)
at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.getEZForPath(ClientNamenodeProtocolServerSideTranslatorPB.java:1382)
at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:617)
at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1073)
at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2281)
at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2277)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:422)
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1924)
at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2275)
我会感激你能帮我一个忙吗
最佳答案
System.setProperty不设置环境变量。正如您所评论的那样，您需要在启动Scala进程之前通过shell环境导出变量。否则，找到一种方法，使System.getenv()映射返回您要设置的值