hive_异常_01_hive启动异常-Role admin already exists(未解决)

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我是靠谱客的博主勤奋山水，最近开发中收集的这篇文章主要介绍hive_异常_01_hive启动异常-Role admin already exists(未解决)，觉得挺不错的，现在分享给大家，希望可以做个参考。

概述

一、异常信息

hive安装成功之后，执行hive命令时，控制台正常，但是通过命令：

hive -hiveconf hive.root.logger=DEBUG,console;

去查看日志时，却发现出现报如下异常：

18/03/26 18:18:29 [main]: DEBUG metastore.ObjectStore: Rollback transaction, isActive: true at:
        org.apache.hadoop.hive.metastore.ObjectStore.addRole(ObjectStore.java:3215)
18/03/26 18:18:29 [main]: DEBUG metastore.HiveMetaStore: admin role already exists
InvalidObjectException(message:Role admin already exists.)
        at org.apache.hadoop.hive.metastore.ObjectStore.addRole(ObjectStore.java:3205)
        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.hive.metastore.RawStoreProxy.invoke(RawStoreProxy.java:98)
        at com.sun.proxy.$Proxy5.addRole(Unknown Source)
        at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.createDefaultRoles_core(HiveMetaStore.java:642)
        at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.createDefaultRoles(HiveMetaStore.java:631)
        at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.init(HiveMetaStore.java:449)
        at org.apache.hadoop.hive.metastore.RetryingHMSHandler.<init>(RetryingHMSHandler.java:66)
        at org.apache.hadoop.hive.metastore.RetryingHMSHandler.getProxy(RetryingHMSHandler.java:72)
        at org.apache.hadoop.hive.metastore.HiveMetaStore.newRetryingHMSHandler(HiveMetaStore.java:5576)
        at org.apache.hadoop.hive.metastore.HiveMetaStoreClient.<init>(HiveMetaStoreClient.java:193)
        at org.apache.hadoop.hive.ql.metadata.SessionHiveMetaStoreClient.<init>(SessionHiveMetaStoreClient.java:74)
        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.hive.metastore.MetaStoreUtils.newInstance(MetaStoreUtils.java:1483)
        at org.apache.hadoop.hive.metastore.RetryingMetaStoreClient.<init>(RetryingMetaStoreClient.java:64)
        at org.apache.hadoop.hive.metastore.RetryingMetaStoreClient.getProxy(RetryingMetaStoreClient.java:74)
        at org.apache.hadoop.hive.ql.metadata.Hive.createMetaStoreClient(Hive.java:2841)
        at org.apache.hadoop.hive.ql.metadata.Hive.getMSC(Hive.java:2860)
        at org.apache.hadoop.hive.ql.session.SessionState.start(SessionState.java:453)
        at org.apache.hadoop.hive.cli.CliDriver.run(CliDriver.java:671)
        at org.apache.hadoop.hive.cli.CliDriver.main(CliDriver.java:615)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java: