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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (TAJO-387) Query is hanging when errors occurs in Query or SubQuery class
Date Fri, 06 Dec 2013 12:29:35 GMT

    [ https://issues.apache.org/jira/browse/TAJO-387?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13841220#comment-13841220
] 

Hudson commented on TAJO-387:
-----------------------------

FAILURE: Integrated in Tajo-trunk-postcommit #591 (See [https://builds.apache.org/job/Tajo-trunk-postcommit/591/])
TAJO-387: Query is hanging when errors occurs in Query or SubQuery class. (hyunsik) (hyunsik:
https://git-wip-us.apache.org/repos/asf?p=incubator-tajo.git&a=commit&h=da8cd2984317b61273ccd0d415401873c4eb4d7c)
* tajo-core/tajo-core-backend/src/main/java/org/apache/tajo/master/event/SubQueryEventType.java
* tajo-core/tajo-core-backend/src/main/java/org/apache/tajo/master/event/SubQueryDiagnosticsUpdateEvent.java
* tajo-core/tajo-core-backend/src/main/java/org/apache/tajo/cli/TajoCli.java
* tajo-core/tajo-core-storage/src/main/java/org/apache/tajo/storage/AbstractStorageManager.java
* tajo-core/tajo-core-backend/src/main/java/org/apache/tajo/master/GlobalEngine.java
* tajo-core/tajo-core-backend/src/main/java/org/apache/tajo/client/QueryStatus.java
* tajo-core/tajo-core-backend/src/main/java/org/apache/tajo/master/querymaster/Query.java
* tajo-core/tajo-core-backend/src/main/java/org/apache/tajo/master/querymaster/SubQueryState.java
* tajo-core/tajo-core-backend/src/main/java/org/apache/tajo/master/YarnContainerProxy.java
* tajo-core/tajo-core-backend/src/main/java/org/apache/tajo/master/TajoContainerProxy.java
* tajo-core/tajo-core-backend/src/main/java/org/apache/tajo/master/event/QueryEventType.java
* tajo-core/tajo-core-backend/src/main/java/org/apache/tajo/worker/TajoWorkerClientService.java
* tajo-core/tajo-core-backend/src/main/java/org/apache/tajo/master/event/QueryDiagnosticsUpdateEvent.java
* tajo-catalog/tajo-catalog-common/src/main/java/org/apache/tajo/catalog/statistics/StatisticsUtil.java
* tajo-core/tajo-core-backend/src/main/java/org/apache/tajo/master/querymaster/SubQuery.java
* tajo-core/tajo-core-backend/src/main/java/org/apache/tajo/master/TajoMasterClientService.java
* tajo-core/tajo-core-backend/src/main/proto/ClientProtos.proto
* tajo-core/tajo-core-backend/src/main/java/org/apache/tajo/master/querymaster/QueryMasterTask.java
TAJO-387: Query is hanging when errors occurs in Query or SubQuery class. (Added a missed
changelog) (hyunsik: https://git-wip-us.apache.org/repos/asf?p=incubator-tajo.git&a=commit&h=988fff90c9084762666635d558a203c6903f3dc1)
* CHANGES.txt


> Query is hanging when errors occurs in Query or SubQuery class
> --------------------------------------------------------------
>
>                 Key: TAJO-387
>                 URL: https://issues.apache.org/jira/browse/TAJO-387
>             Project: Tajo
>          Issue Type: Bug
>          Components: master
>            Reporter: Hyunsik Choi
>            Assignee: Hyunsik Choi
>            Priority: Critical
>             Fix For: 0.8-incubating
>
>         Attachments: TAJO-387.patch
>
>
> Currently, Query is hanging when errors occur in Query or SubQuery. This is a critical
bug.
> Primarily, this patch fixes many bugs that cause infinite query hanging. In detail, this
patch does as follows:
>  * When there is no result file, Query::buildOrUpdateResultTableDesc causes NPE. This
patch fixes this bug.
>  * A table can be either a file or directory. 
>   ** Before this patch, a table must be a directory.
>  * Add ERROR state to Query
>  * Allow Query to avoid hanging when errors occur
>  * Enable Query to accumulate diagnostic messages.
>  * Add ERROR state to SubQuery
>  * Allow SubQuery to avoid hanging and retrieve resources when errors occur
>  * Enable SubQuery to accumulate diagnostic messages.
>  * Enable TajoCli to get proper error messages (e.g., Query Failed! or Internal Error!)
when a query is failed or faces internal errors.



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