[jira] [Commented] (KYLIN-5330) During the initialization process of the log thread, the SparkEnv is empty, which leads to failure

[ASF GitHub Bot (Jira)]

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https://issues.apache.org/jira/browse/KYLIN-5330?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17645191#comment-17645191
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ASF GitHub Bot commented on KYLIN-5330:
---------------------------------------

sonarcloud[bot] commented on PR #2042:
URL: https://github.com/apache/kylin/pull/2042#issuecomment-1344029132

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> 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
>            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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