pan3793 commented on code in PR #654:
URL: https://github.com/apache/spark-website/pull/654#discussion_r2647406716


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developer-tools.md:
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@@ -352,17 +352,32 @@ By default, this script will format files that differ 
from git master. For more
 
 <h3>IDE setup</h3>
 
+Make sure you have a clean start before setting up the IDE: A clean git clone 
of the Spark repo, install the latest 
+version of the IDE. If something goes wrong, clear the build outputs by 
`./build/sbt clean` and `./build/mvn clean`, 
+clear the m2 cache by `rm -rf ~/.m2/repository/*`, remove the IDE folder such 
as `.idea`, re-import the project into 
+the IDE and try again.
+
 <h4>IntelliJ</h4>
 
 While many of the Spark developers use SBT or Maven on the command line, the 
most common IDE we 
 use is IntelliJ IDEA. You can get the community edition for free (Apache 
committers can get 

Review Comment:
   there is no IDEA community edition now ...
   
   
https://blog.jetbrains.com/idea/2025/07/intellij-idea-unified-distribution-plan/



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