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From "Vineet Garg (Jira)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-24210) PartitionManagementTask fails if one of tables dropped after fetching TableMeta
Date Fri, 02 Oct 2020 16:12:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-24210?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17206302#comment-17206302
] 

Vineet Garg commented on HIVE-24210:
------------------------------------

+1. LGTM

> PartitionManagementTask fails if one of tables dropped after fetching TableMeta
> -------------------------------------------------------------------------------
>
>                 Key: HIVE-24210
>                 URL: https://issues.apache.org/jira/browse/HIVE-24210
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Naresh P R
>            Assignee: Naresh P R
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> After fetching tableMeta based on configured dbPattern & tablePattern for PMT
> https://github.com/apache/hive/blob/master/standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/PartitionManagementTask.java#L125
> If one of the tables dropped before scheduling AutoPartition Discovery or MSCK, then
entire PMT will be stopped because of below exception even though we can run MSCK for other
valid tables.
> {code:java}
> 2020-09-21T10:45:15,875 ERROR [pool-4-thread-150]: metastore.PartitionManagementTask
(PartitionManagementTask.java:run(163)) - Exception while running partition discovery task
for table: null
> org.apache.hadoop.hive.metastore.api.NoSuchObjectException: hive.default.test_table table
not found
>  at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.get_table_core(HiveMetaStore.java:3391)

>  at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.getTableInternal(HiveMetaStore.java:3315)

>  at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.get_table_req(HiveMetaStore.java:3291)

>  at sun.reflect.GeneratedMethodAccessor6.invoke(Unknown Source)
>  at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

>  at java.lang.reflect.Method.invoke(Method.java:498) 
>  at org.apache.hadoop.hive.metastore.RetryingHMSHandler.invokeInternal(RetryingHMSHandler.java:147)

>  at org.apache.hadoop.hive.metastore.RetryingHMSHandler.invoke(RetryingHMSHandler.java:108)

>  at com.sun.proxy.$Proxy30.get_table_req(Unknown Source) ~[?:?]
>  at org.apache.hadoop.hive.metastore.HiveMetaStoreClient.getTable(HiveMetaStoreClient.java:1804)

>  at org.apache.hadoop.hive.metastore.HiveMetaStoreClient.getTable(HiveMetaStoreClient.java:1791)

>  at org.apache.hadoop.hive.metastore.PartitionManagementTask.run(PartitionManagementTask.java:130){code}
> Exception is thrown from here.
> [https://github.com/apache/hive/blob/master/standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/PartitionManagementTask.java#L130]



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