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Posted to issues@spark.apache.org by "Apache Spark (Jira)" <ji...@apache.org> on 2020/10/02 00:14:00 UTC
[jira] [Commented] (SPARK-33048) Fix SparkBuild.scala to recognize
build settings for Scala 2.13
[ https://issues.apache.org/jira/browse/SPARK-33048?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17205898#comment-17205898 ]
Apache Spark commented on SPARK-33048:
--------------------------------------
User 'sarutak' has created a pull request for this issue:
https://github.com/apache/spark/pull/29927
> Fix SparkBuild.scala to recognize build settings for Scala 2.13
> ---------------------------------------------------------------
>
> Key: SPARK-33048
> URL: https://issues.apache.org/jira/browse/SPARK-33048
> Project: Spark
> Issue Type: Sub-task
> Components: Build
> Affects Versions: 3.0.1, 3.1.0
> Reporter: Kousuke Saruta
> Assignee: Kousuke Saruta
> Priority: Major
>
> In SparkBuild.scala, a variable 'scalaBinaryVersion' is hardcoded as '2.12'.
> So, an environment variable 'SPARK_SCALA_VERSION' is also to be '2.12'.
> This issue causes some test suites (e.g. SparkSubmitSuite) to be error.
> {code}
> ===== TEST OUTPUT FOR o.a.s.deploy.SparkSubmitSuite: 'user classpath first in driver' =====
> 20/10/02 08:55:30.234 redirect stderr for command /home/kou/work/oss/spark-scala-2.13/bin/spark-submit INFO Utils: Error: Could not find or load m
> ain class org.apache.spark.launcher.Main
> 20/10/02 08:55:30.235 redirect stderr for command /home/kou/work/oss/spark-scala-2.13/bin/spark-submit INFO Utils: /home/kou/work/oss/spark-scala-
> 2.13/bin/spark-class: line 96: CMD: bad array subscript
> {code}
> The reason of this error is that environment variables 'SPARK_JARS_DIR' and 'LAUNCH_CLASSPATH' is defined in bin/spark-class as follows.
> {code}
> SPARK_JARS_DIR="${SPARK_HOME}/assembly/target/scala-$SPARK_SCALA_VERSION/jars"
> LAUNCH_CLASSPATH="${SPARK_HOME}/launcher/target/scala-$SPARK_SCALA_VERSION/classes:$LAUNCH_CLASSPATH"
> {code}
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