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https://issues.apache.org/jira/browse/HIVE-19740?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16512971#comment-16512971
 ] 

Jaume M commented on HIVE-19740:
--------------------------------

This is not a bug but after 2.x 
{{hive.metastore.event.db.notification.api.auth}} is {{true}} by default so if 
you just upgrade the version in a kerberized cluster, hiverserver2 will 
probably not be able to connect to the metastore. As specified 
[here|https://cwiki.apache.org/confluence/display/Hive/HiveReplicationv2Development]
 this can solved by setting {{hive.metastore.event.db.notification.api.auth}} 
to {{false}} or adding something like this to your core.xml or hive-site.xml:
{code}
<property>
     <name>hadoop.proxyuser.hive.hosts</name>
     <value>HS2_HOST</value>
</property>
<property>
    <name>hadoop.proxyuser.hive.groups</name>
    <value>*</value>
</property>
{code}

> Hiveserver2 can't connect to metastore when using Hive 3.0
> ----------------------------------------------------------
>
>                 Key: HIVE-19740
>                 URL: https://issues.apache.org/jira/browse/HIVE-19740
>             Project: Hive
>          Issue Type: Bug
>    Affects Versions: 3.0.0
>            Reporter: heyang wang
>            Priority: Major
>         Attachments: hive-site.xml
>
>
> I am using docker to deploy Hadoop 2.7, Hive 3.0 and Spark 2.3.
> After starting all the docker image. Hive server2 can't start while 
> outputting the following error log:
> 2018-05-30T14:13:53,832 WARN [main]: server.HiveServer2 
> (HiveServer2.java:startHiveServer2(1041)) - Error starting HiveServer2 on 
> attempt 1, will retry in 60000ms
>  java.lang.RuntimeException: Error initializing notification event poll
>  at org.apache.hive.service.server.HiveServer2.init(HiveServer2.java:269) 
> ~[hive-service-3.0.0.jar:3.0.0]
>  at 
> org.apache.hive.service.server.HiveServer2.startHiveServer2(HiveServer2.java:1013)
>  [hive-service-3.0.0.jar:3.0.0]
>  at 
> org.apache.hive.service.server.HiveServer2.access$1800(HiveServer2.java:134) 
> [hive-service-3.0.0.jar:3.0.0]
>  at 
> org.apache.hive.service.server.HiveServer2$StartOptionExecutor.execute(HiveServer2.java:1282)
>  [hive-service-3.0.0.jar:3.0.0]
>  at org.apache.hive.service.server.HiveServer2.main(HiveServer2.java:1126) 
> [hive-service-3.0.0.jar:3.0.0]
>  at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_131]
>  at 
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) 
> ~[?:1.8.0_131]
>  at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>  ~[?:1.8.0_131]
>  at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_131]
>  at org.apache.hadoop.util.RunJar.run(RunJar.java:221) 
> [hadoop-common-2.7.4.jar:?]
>  at org.apache.hadoop.util.RunJar.main(RunJar.java:136) 
> [hadoop-common-2.7.4.jar:?]
>  Caused by: java.io.IOException: org.apache.thrift.TApplicationException: 
> Internal error processing get_current_notificationEventId
>  at 
> org.apache.hadoop.hive.metastore.messaging.EventUtils$MSClientNotificationFetcher.getCurrentNotificationEventId(EventUtils.java:75)
>  ~[hive-exec-3.0.0.jar:3.0.0]
>  at 
> org.apache.hadoop.hive.ql.metadata.events.NotificationEventPoll.<init>(NotificationEventPoll.java:103)
>  ~[hive-exec-3.0.0.jar:3.0.0]
>  at 
> org.apache.hadoop.hive.ql.metadata.events.NotificationEventPoll.initialize(NotificationEventPoll.java:59)
>  ~[hive-exec-3.0.0.jar:3.0.0]
>  at org.apache.hive.service.server.HiveServer2.init(HiveServer2.java:267) 
> ~[hive-service-3.0.0.jar:3.0.0]
>  ... 10 more
>  Caused by: org.apache.thrift.TApplicationException: Internal error 
> processing get_current_notificationEventId
>  at 
> org.apache.thrift.TApplicationException.read(TApplicationException.java:111) 
> ~[hive-exec-3.0.0.jar:3.0.0]
>  at org.apache.thrift.TServiceClient.receiveBase(TServiceClient.java:79) 
> ~[hive-exec-3.0.0.jar:3.0.0]
>  at 
> org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore$Client.recv_get_current_notificationEventId(ThriftHiveMetastore.java:5541)
>  ~[hive-exec-3.0.0.jar:3.0.0]
>  at 
> org.apache.hadoop.hive.metastore.api.ThriftHiveMetastore$Client.get_current_notificationEventId(ThriftHiveMetastore.java:5529)
>  ~[hive-exec-3.0.0.jar:3.0.0]
>  at 
> org.apache.hadoop.hive.metastore.HiveMetaStoreClient.getCurrentNotificationEventId(HiveMetaStoreClient.java:2713)
>  ~[hive-exec-3.0.0.jar:3.0.0]
>  at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_131]
>  at 
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) 
> ~[?:1.8.0_131]
>  at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>  ~[?:1.8.0_131]
>  at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_131]
>  at 
> org.apache.hadoop.hive.metastore.RetryingMetaStoreClient.invoke(RetryingMetaStoreClient.java:212)
>  ~[hive-exec-3.0.0.jar:3.0.0]
>  at com.sun.proxy.$Proxy34.getCurrentNotificationEventId(Unknown Source) 
> ~[?:?]
>  at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_131]
>  at 
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) 
> ~[?:1.8.0_131]
>  at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>  ~[?:1.8.0_131]
>  at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_131]
>  at 
> org.apache.hadoop.hive.metastore.HiveMetaStoreClient$SynchronizedHandler.invoke(HiveMetaStoreClient.java:2763)
>  ~[hive-exec-3.0.0.jar:3.0.0]
>  at com.sun.proxy.$Proxy34.getCurrentNotificationEventId(Unknown Source) 
> ~[?:?]
>  at 
> org.apache.hadoop.hive.metastore.messaging.EventUtils$MSClientNotificationFetcher.getCurrentNotificationEventId(EventUtils.java:73)
>  ~[hive-exec-3.0.0.jar:3.0.0]
>  at 
> org.apache.hadoop.hive.ql.metadata.events.NotificationEventPoll.<init>(NotificationEventPoll.java:103)
>  ~[hive-exec-3.0.0.jar:3.0.0]
>  at 
> org.apache.hadoop.hive.ql.metadata.events.NotificationEventPoll.initialize(NotificationEventPoll.java:59)
>  ~[hive-exec-3.0.0.jar:3.0.0]
>  at org.apache.hive.service.server.HiveServer2.init(HiveServer2.java:267) 
> ~[hive-service-3.0.0.jar:3.0.0]
>  ... 10 more
>  
> On metastore container, I got similar error log as following:
>  
> org.apache.thrift.TException: MetaException(message:User root is not allowed 
> to perform this API call)
> at 
> org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.get_current_notificationEventId(HiveMetaStore.java:7361)
>  ~[hive-exec-3.0.0.jar:3.0.0]
>  
>  ERROR [pool-9-thread-75]: metastore.HiveMetaStore 
> (HiveMetaStore.java:get_current_notificationEventId(7359)) - Not authorized 
> to make the get_current_notificationEventId call. You can try to disable 
> metastore.metastore.event.db.notification.api.auth
>  
> After some search, I found those error seems to be related to new auth rule 
> enhanced by Hive 3.0 on Hive replication as HIVE-17606 raised.
>  
> I have attached my  [^hive-site.xml] which contain only few basic settings. I 
> am not sure what I encountered is a feature or bug, can anyone share some 
> light on this?
>  
> Update:
> After setting hive.metastore.event.db.notification.api.auth to false on 
> hive-site.xml. Hiveserver2 can start and function normally.
>  



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