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https://issues.apache.org/jira/browse/SPARK-26076?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sean Owen resolved SPARK-26076.
-------------------------------
Resolution: Fixed
Fix Version/s: 3.0.0
Issue resolved by pull request 23049
[https://github.com/apache/spark/pull/23049]
> Revise ambiguous error message from load-spark-env.sh
> -----------------------------------------------------
>
> Key: SPARK-26076
> URL: https://issues.apache.org/jira/browse/SPARK-26076
> Project: Spark
> Issue Type: Improvement
> Components: Build
> Affects Versions: 3.0.0
> Reporter: Gengliang Wang
> Assignee: Gengliang Wang
> Priority: Trivial
> Fix For: 3.0.0
>
>
> When I try to run scripts (e.g. `./sbin/start-history-server.sh -h` in latest
> master, I got such error:
> ```
> Presence of build for multiple Scala versions detected.
> Either clean one of them or, export SPARK_SCALA_VERSION in spark-env.sh.
> ```
> The error message is quite confusing and there is no `spark-env.sh` in our
> code base.
> As now with https://github.com/apache/spark/pull/22967, we can revise the
> error message as following:
> ```
> Presence of build for both scala versions(SCALA 2.11 and SCALA 2.12) detected.
> Either clean one of them or, export SPARK_SCALA_VERSION=2.12 in
> load-spark-env.sh.
> ```
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