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Posted to issues@kylin.apache.org by "Xiaoxiang Yu (Jira)" <ji...@apache.org> on 2023/03/29 07:04:00 UTC
[jira] [Resolved] (KYLIN-5330) During the initialization process of the log thread, the SparkEnv is empty, which leads to failure
[ https://issues.apache.org/jira/browse/KYLIN-5330?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Xiaoxiang Yu resolved KYLIN-5330.
---------------------------------
Resolution: Fixed
> During the initialization process of the log thread, the SparkEnv is empty, which leads to failure
> --------------------------------------------------------------------------------------------------
>
> Key: KYLIN-5330
> URL: https://issues.apache.org/jira/browse/KYLIN-5330
> Project: Kylin
> Issue Type: Bug
> Affects Versions: 5.0-alpha
> Reporter: sibing.zhang
> Assignee: sibing.zhang
> Priority: Major
> Fix For: 5.0-alpha
>
> Attachments: image-2022-12-05-16-26-36-021.png
>
>
> There is a null pointer exception in the yarn application log file:
> !image-2022-12-05-16-26-36-021.png|width=897,height=163!
> *root cause*
> When SparkEnv has not been initialized, the log thread executes the SparkEnv.get operation first, causing NPE problems.
> *fix design*
> When SparkEnv.get is executed, it will cause a null pointer exception. If SparkEnv cannot be obtained, the new org.apache.hadoop.conf.Configuration object will be used.
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