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https://issues.apache.org/jira/browse/SPARK-36694?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Armand BERGES reopened SPARK-36694:
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Didn't last answer from [~sarutak], just answer now.
> Unable to build Spark on Azure DevOps with ubuntu-latest
> --------------------------------------------------------
>
> Key: SPARK-36694
> URL: https://issues.apache.org/jira/browse/SPARK-36694
> Project: Spark
> Issue Type: Bug
> Components: Build
> Affects Versions: 2.4.8
> Reporter: Armand BERGES
> Priority: Minor
>
> Hello
> With my team we're currently triying to set up some test environment by using
> Spark on kubernetes.
> For this purpose, we're following your (great) documentation to [build
> spark|https://spark.apache.org/docs/2.4.8/building-spark.html] and [build
> spark docker
> images|https://spark.apache.org/docs/latest/running-on-kubernetes.html#docker-images].
>
> To make our build, we're using Azure DevOps.
> I don't know if it's a known bug or requirements I didn't see but I found
> that I couldn't build spark on the Azure agent *ubuntu-latest* which I trust
> to be *ubuntu-20.04*. The exact same build works on *ubuntu-18.04*.
> My maven build always failed on building *spark-unsafe_2.11* with the
> following error :
> {code:java}
> [error] warning: [options] bootstrap class path not set in conjunction with
> -source 8
> [error]
> /home/vsts/work/1/s/spark/common/unsafe/src/main/java/org/apache/spark/unsafe/Platform.java:25:
> error: cannot find symbol [error] import sun.misc.Cleaner;
> [error] ^
> [error] symbol: class Cleaner
> [error] location: package sun.misc
> [error]
> /home/vsts/work/1/s/spark/common/unsafe/src/main/java/org/apache/spark/unsafe/Platform.java:172:
> error: cannot find symbol
> [error] Cleaner cleaner = Cleaner.create(buffer, () -> freeMemory(memory));
> [error] ^
> [error] symbol: class Cleaner [error] location: class Platform
> [error]
> /home/vsts/work/1/s/spark/common/unsafe/src/main/java/org/apache/spark/unsafe/Platform.java:172:
> error: cannot find symbol
> [error] Cleaner cleaner = Cleaner.create(buffer, () -> freeMemory(memory));
> [error] ^
> [error] symbol: variable Cleaner
> [error] location: class Platform
> [error] 3 errors
> [error] 1 warning
> [error] Compile failed at Sep 8, 2021 10:37:02 AM [1.126s]{code}
>
> Please tell me if I miss anything,
> Best regards
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