[
https://issues.apache.org/jira/browse/SPARK-36717?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Apache Spark reassigned SPARK-36717:
------------------------------------
Assignee: (was: Apache Spark)
> Incorrect order of variable initialization may lead to incorrect behavior
> -------------------------------------------------------------------------
>
> Key: SPARK-36717
> URL: https://issues.apache.org/jira/browse/SPARK-36717
> Project: Spark
> Issue Type: Bug
> Components: Spark Core
> Affects Versions: 3.1.2
> Reporter: Li Jianmeng
> Priority: Major
> Fix For: 3.1.3
>
>
> Incorrect order of variable initialization may lead to incorrect behavior,
> Related code:
> [TorrentBroadcast.scala|https://github.com/apache/spark/blob/0494dc90af48ce7da0625485a4dc6917a244d580/core/src/main/scala/org/apache/spark/broadcast/TorrentBroadcast.scala#L94]
> , TorrentBroadCast will get wrong checksumEnabled value after
> initialization, this may not be what we need, we can move L94 front of
> setConf(SparkEnv.get.conf) to avoid this.
> Supplement:
> Example 1:
> {code:java}
> class Broadcast {
> def setConf(): Unit = {
> checksumEnabled = true
> }
> setConf()
> var checksumEnabled = false
> }
> println(new Broadcast().checksumEnabled){code}
> output:
> {code:java}
> false{code}
> Example 2:
> {code:java}
> class Broadcast {
> var checksumEnabled = false
> def setConf(): Unit = {
> checksumEnabled = true
> }
> setConf()
> }
> println(new Broadcast().checksumEnabled){code}
> output:
> {code:java}
> true{code}
--
This message was sent by Atlassian Jira
(v8.3.4#803005)
---------------------------------------------------------------------
To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org
For additional commands, e-mail: issues-h...@spark.apache.org
