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From "Ashutosh Chauhan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-13608) We should provide better error message while constraints with duplicate names are created
Date Sun, 01 May 2016 21:59:12 GMT

    [ https://issues.apache.org/jira/browse/HIVE-13608?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15265971#comment-15265971
] 

Ashutosh Chauhan commented on HIVE-13608:
-----------------------------------------

Instead of re-wrapping exception in TException what needs to be done here is to not retry
if there is a non-recoverable error like {{java.sql.SQLIntegrityConstraintViolationException}}
For that you need to update regular expression which tries to determine whether its recoverable
or not in {{if (e.getMessage().matches("(?s).*(IO|TTransport)Exception.*"))}} and throw straight
away.

> We should provide better error message while constraints with duplicate names are created
> -----------------------------------------------------------------------------------------
>
>                 Key: HIVE-13608
>                 URL: https://issues.apache.org/jira/browse/HIVE-13608
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Hari Sankar Sivarama Subramaniyan
>            Assignee: Hari Sankar Sivarama Subramaniyan
>         Attachments: HIVE-13608.1.patch
>
>
> {code}
> PREHOOK: query: create table t1(x int, constraint pk1 primary key (x) disable novalidate)
> PREHOOK: type: CREATETABLE
> PREHOOK: Output: database:default
> PREHOOK: Output: default@t1
> POSTHOOK: query: create table t1(x int, constraint pk1 primary key (x) disable novalidate)
> POSTHOOK: type: CREATETABLE
> POSTHOOK: Output: database:default
> POSTHOOK: Output: default@t1
> PREHOOK: query: create table t2(x int, constraint pk1 primary key (x) disable novalidate)
> PREHOOK: type: CREATETABLE
> PREHOOK: Output: database:default
> PREHOOK: Output: default@t2
> FAILED: Execution Error, return code 1 from org.apache.hadoop.hive.ql.exec.DDLTask. MetaException(message:For
direct MetaStore DB connections, we don't support retries at the client level.)
> {code}
> In the above case, it seems like useful error message is lost. It looks like a  generic
problem with metastore server/client exception handling and message propagation. Seems like
exception parsing logic of RetryingMetaStoreClient::invoke() needs to be updated.



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