今天用Hive的JDBC实例时出现了HiveSQLException: Error while compiling statement: No privilege 'Create' found for outputs { database:default }的错误，日志如下。
org.apache.hive.service.cli.HiveSQLException: Error while compiling statement: No privilege 'Create' found for outputs { database:default } at org.apache.hive.jdbc.Utils.verifySuccess(Utils.java:231) at org.apache.hive.jdbc.Utils.verifySuccessWithInfo(Utils.java:217) at org.apache.hive.jdbc.HiveStatement.execute(HiveStatement.java:254) at zimo.hadoop.hive.Hive.main(Hive.java:27) Caused by: org.apache.hive.service.cli.HiveSQLException: Error while compiling statement: No privilege 'Create' found for outputs { database:default } at org.apache.hive.service.cli.operation.Operation.toSQLException(Operation.java:314) at org.apache.hive.service.cli.operation.SQLOperation.prepare(SQLOperation.java:102) at org.apache.hive.service.cli.operation.SQLOperation.runInternal(SQLOperation.java:171) at org.apache.hive.service.cli.operation.Operation.run(Operation.java:256) at org.apache.hive.service.cli.session.HiveSessionImpl.executeStatementInternal(HiveSessionImpl.java:376) at org.apache.hive.service.cli.session.HiveSessionImpl.executeStatementAsync(HiveSessionImpl.java:363) 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:497) at org.apache.hive.service.cli.session.HiveSessionProxy.invoke(HiveSessionProxy.java:79) at org.apache.hive.service.cli.session.HiveSessionProxy.access$000(HiveSessionProxy.java:37) at org.apache.hive.service.cli.session.HiveSessionProxy$1.run(HiveSessionProxy.java:64) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAs(Subject.java:422) at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1628) at org.apache.hadoop.hive.shims.HadoopShimsSecure.doAs(HadoopShimsSecure.java:536) at org.apache.hive.service.cli.session.HiveSessionProxy.invoke(HiveSessionProxy.java:60) at com.sun.proxy.$Proxy22.executeStatementAsync(Unknown Source) at org.apache.hive.service.cli.CLIService.executeStatementAsync(CLIService.java:270) at org.apache.hive.service.cli.thrift.ThriftCLIService.ExecuteStatement(ThriftCLIService.java:401) at org.apache.hive.service.cli.thrift.TCLIService$Processor$ExecuteStatement.getResult(TCLIService.java:1313) at org.apache.hive.service.cli.thrift.TCLIService$Processor$ExecuteStatement.getResult(TCLIService.java:1298) 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$WorkerProcess.run(TThreadPoolServer.java:206) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at java.lang.Thread.run(Thread.java:745)
从日志可以清楚地看出，出现该错误的原因是因为我们创建的用户没有执行‘Create’操作的权限，所以我们需要将权限授予该用户。
解决办法：
hive> set system:user.name=hadoop;
1.给当前用户权限：
给用户当前权限：
hive> grant create on database default to user hadoop;
OK
Time taken: 0.146 seconds
或者给用户所有权限 ：
hive> grant all on database default to user hadoop; OK Time taken: 0.146 seconds
2.在其他有权限的数据库里创建表
比如 当前用户在db1里面有权限，而在default里面是没有的那么可以：
use db1; create table default.test ( name string );
这样也可以创建。
然后，我们的问题就能得到解决了！
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