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From "Jesus Camacho Rodriguez (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-18494) Regression: from HIVE-18069, the metastore directsql is getting disabled
Date Fri, 19 Jan 2018 18:12:04 GMT

     [ https://issues.apache.org/jira/browse/HIVE-18494?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jesus Camacho Rodriguez updated HIVE-18494:
-------------------------------------------
    Attachment: HIVE-18494.patch

> Regression: from HIVE-18069, the metastore directsql is getting disabled
> ------------------------------------------------------------------------
>
>                 Key: HIVE-18494
>                 URL: https://issues.apache.org/jira/browse/HIVE-18494
>             Project: Hive
>          Issue Type: Bug
>          Components: Standalone Metastore
>            Reporter: Gopal V
>            Assignee: Jesus Camacho Rodriguez
>            Priority: Major
>         Attachments: HIVE-18494.patch
>
>
> {code:java}
> 018-01-19T02:12:34,457  WARN [pool-10-thread-1] metastore.ObjectStore: Falling back
to ORM path due to direct SQL failure (this is not an error): java.lang.String cannot be cast
to [Ljava.lang.Object; at
> org.apache.hadoop.hive.metastore.MetaStoreDirectSql.getTables(MetaStoreDirectSql.java:412)
at org.apache.hadoop.hive.metastore.ObjectStore$2.getSqlResult(ObjectStore.java:1336)
> 2018-01-19T02:12:34,457 DEBUG [pool-10-thread-1] metastore.ObjectStore: Full DirectSQL
callstack for debugging (note: this is not an error)
> java.lang.ClassCastException: java.lang.String cannot be cast to [Ljava.lang.Object;
>         at org.apache.hadoop.hive.metastore.MetaStoreDirectSql.getTables(MetaStoreDirectSql.java:412)
~[hive-exec-3.0.0-SNAPSHOT.jar:3.0.0-SNAPSHOT]
>         at org.apache.hadoop.hive.metastore.ObjectStore$2.getSqlResult(ObjectStore.java:1336)
~[hive-exec-3.0.0-SNAPSHOT.jar:3.0.0-SNAPSHOT]
>         at org.apache.hadoop.hive.metastore.ObjectStore$2.getSqlResult(ObjectStore.java:1332)
~[hive-exec-3.0.0-SNAPSHOT.jar:3.0.0-SNAPSHOT]
>         at org.apache.hadoop.hive.metastore.ObjectStore$GetHelper.run(ObjectStore.java:3200)
~[hive-exec-3.0.0-SNAPSHOT.jar:3.0.0-SNAPSHOT]
>         at org.apache.hadoop.hive.metastore.ObjectStore.getTablesInternal(ObjectStore.java:1344)
~[hive-exec-3.0.0-SNAPSHOT.jar:3.0.0-SNAPSHOT]
>         at org.apache.hadoop.hive.metastore.ObjectStore.getTables(ObjectStore.java:1323)
~[hive-exec-3.0.0-SNAPSHOT.jar:3.0.0-SNAPSHOT]
> {code}
> The DataNucleus layer returns List<String> for this case, when exactly one column
has been selected.
> And MetastoreDirectSQL is disabled for all further queries.



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