Hive JDBC:java.lang.RuntimeException: org.apache.hadoop.ipc.RemoteException(org.apache-CFANZ编程社区

Hive JDBC:java.lang.RuntimeException: org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.security.authorize.AuthorizationException): User: root is not allowed to impersonate anonymous

今天使用JDBC来操作Hive时，首先启动了hive远程服务模式：hiveserver2 &(表示后台运行)，然后到eclipse中运行程序时出现错误：

java.sql.SQLException: Could not open client transport with JDBC Uri: jdbc:hive2://192.168.182.11:10000/default: Failed to open new session: java.lang.RuntimeException: org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.security.authorize.AuthorizationException): User: root is not allowed to impersonate anonymous

at org.apache.hive.jdbc.HiveConnection.<init>(HiveConnection.java:224)

at org.apache.hive.jdbc.HiveDriver.connect(HiveDriver.java:107)

at java.sql/java.sql.DriverManager.getConnection(DriverManager.java:678)

at java.sql/java.sql.DriverManager.getConnection(DriverManager.java:252)

at demo.jdbc.JDBCUtils.getConnection(JDBCUtils.java:31)

at demo.jdbc.DemoTest.main(DemoTest.java:16)

Caused by: org.apache.hive.service.cli.HiveSQLException: Failed to open new session: java.lang.RuntimeException: org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.security.authorize.AuthorizationException): User: root is not allowed to impersonate anonymous

at org.apache.hive.jdbc.Utils.verifySuccess(Utils.java:267)

at org.apache.hive.jdbc.Utils.verifySuccess(Utils.java:258)

at org.apache.hive.jdbc.HiveConnection.openSession(HiveConnection.java:683)

at org.apache.hive.jdbc.HiveConnection.<init>(HiveConnection.java:200)

... 5 more

at org.apache.hive.service.cli.session.SessionManager.createSession(SessionManager.java:419)

at org.apache.hive.service.cli.session.SessionManager.openSession(SessionManager.java:362)

at org.apache.hive.service.cli.CLIService.openSessionWithImpersonation(CLIService.java:193)

at org.apache.hive.service.cli.thrift.ThriftCLIService.getSessionHandle(ThriftCLIService.java:440)

at org.apache.hive.service.cli.thrift.ThriftCLIService.OpenSession(ThriftCLIService.java:322)

at org.apache.hive.service.rpc.thrift.TCLIService$Processor$OpenSession.getResult(TCLIService.java:1377)

at org.apache.hive.service.rpc.thrift.TCLIService$Processor$OpenSession.getResult(TCLIService.java:1362)

at org.apache.thrift.ProcessFunction.process(ProcessFunction.java:39)

at org.apache.thrift.TBaseProcessor.process(TBaseProcessor.java:39)

at org.apache.hive.service.auth.TSetIpAddressProcessor.process(TSetIpAddressProcessor.java:56)

at org.apache.thrift.server.TThreadPoolServer$WorkerProcess.run(TThreadPoolServer.java:286)

at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)

at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)

at java.lang.Thread.run(Thread.java:748)

Caused by: java.lang.RuntimeException: java.lang.RuntimeException: org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.security.authorize.AuthorizationException): User: root is not allowed to impersonate anonymous

at org.apache.hive.service.cli.session.HiveSessionProxy.invoke(HiveSessionProxy.java:89)

at org.apache.hive.service.cli.session.HiveSessionProxy.access$000(HiveSessionProxy.java:36)

at org.apache.hive.service.cli.session.HiveSessionProxy$1.run(HiveSessionProxy.java:63)

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:1698)

at org.apache.hive.service.cli.session.HiveSessionProxy.invoke(HiveSessionProxy.java:59)

at com.sun.proxy.$Proxy37.open(Unknown Source)

at org.apache.hive.service.cli.session.SessionManager.createSession(SessionManager.java:410)

... 13 more

Caused by: java.lang.RuntimeException: org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.security.authorize.AuthorizationException): User: root is not allowed to impersonate anonymous

at org.apache.hadoop.hive.ql.session.SessionState.start(SessionState.java:606)

at org.apache.hadoop.hive.ql.session.SessionState.start(SessionState.java:544)

at org.apache.hive.service.cli.session.HiveSessionImpl.open(HiveSessionImpl.java:164)

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.hive.service.cli.session.HiveSessionProxy.invoke(HiveSessionProxy.java:78)

... 21 more

Caused by: java.lang.RuntimeException: org.apache.hadoop.ipc.RemoteException:User: root is not allowed to impersonate anonymous

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)

at com.sun.proxy.$Proxy30.getFileInfo(Unknown Source)

at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo(ClientNamenodeProtocolTranslatorPB.java:771)

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.$Proxy31.getFileInfo(Unknown Source)

at org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:2108)

at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1305)

at org.apache.hadoop.hdfs.DistributedFileSystem$22.doCall(DistributedFileSystem.java:1301)

at org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)

at org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1301)

at org.apache.hadoop.fs.FileSystem.exists(FileSystem.java:1426)

at org.apache.hadoop.hive.ql.session.SessionState.createRootHDFSDir(SessionState.java:704)

at org.apache.hadoop.hive.ql.session.SessionState.createSessionDirs(SessionState.java:650)

at org.apache.hadoop.hive.ql.session.SessionState.start(SessionState.java:582)

... 28 more

java.lang.NullPointerException

at demo.jdbc.DemoTest.main(DemoTest.java:19)

主要报错内容是：java.lang.RuntimeException: org.apache.hadoop.ipc.RemoteException:User: root is not allowed to impersonate anonymous

解决办法：通过httpfs协议访问rest接口，以root用户包装自己用户的方式操作HDFS

首先需要开启rest接口，在hdfs-site.xml文件中加入：

<name>dfs.webhdfs.enabled</name>

</property>

然后在core-site.xml文件中加入：

<name>hadoop.proxyuser.root.hosts</name>

</property>

<name>hadoop.proxyuser.root.groups</name>

</property>