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From "ASF GitHub Bot (Jira)" <j...@apache.org>
Subject [jira] [Work logged] (HIVE-23797) Throw exception when no metastore found in zookeeper
Date Mon, 06 Jul 2020 15:08:00 GMT

     [ https://issues.apache.org/jira/browse/HIVE-23797?focusedWorklogId=454895&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-454895
]

ASF GitHub Bot logged work on HIVE-23797:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 06/Jul/20 15:07
            Start Date: 06/Jul/20 15:07
    Worklog Time Spent: 10m 
      Work Description: dengzhhu653 commented on a change in pull request #1201:
URL: https://github.com/apache/hive/pull/1201#discussion_r450287586



##########
File path: standalone-metastore/metastore-common/src/main/java/org/apache/hadoop/hive/metastore/HiveMetaStoreClient.java
##########
@@ -327,6 +327,13 @@ private void resolveUris() throws MetaException {
       MetaStoreUtils.logAndThrowMetaException(e);
     }
 
+    if (metastoreUrisString.isEmpty() && "zookeeper".equalsIgnoreCase(serviceDiscoveryMode))
{
+      throw new MetaException("No metastore server available. "
+          + "Please ensure that at least one metastore server is online");
+    }
+
+    LOG.info("Resolved metastore uris: " + Arrays.toString(metastoreUrisString.toArray()));

Review comment:
       done




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Issue Time Tracking
-------------------

    Worklog Id:     (was: 454895)
    Time Spent: 0.5h  (was: 20m)

> Throw exception when no metastore  found in zookeeper
> -----------------------------------------------------
>
>                 Key: HIVE-23797
>                 URL: https://issues.apache.org/jira/browse/HIVE-23797
>             Project: Hive
>          Issue Type: Improvement
>            Reporter: Zhihua Deng
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 0.5h
>  Remaining Estimate: 0h
>
> When enable service discovery for metastore, there is a chance that the client may find
no metastore uris available in zookeeper, such as during metastores startup or the client
wrongly configured the path. This results to redundant retries and finally MetaException
with "Unknown exception" message.



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