dongjoon-hyun commented on code in PR #43324:
URL: https://github.com/apache/spark/pull/43324#discussion_r1354140989


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resource-managers/kubernetes/docker/src/main/dockerfiles/spark/Dockerfile:
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@@ -49,6 +49,7 @@ COPY sbin /opt/spark/sbin
 COPY kubernetes/dockerfiles/spark/entrypoint.sh /opt/
 COPY kubernetes/dockerfiles/spark/decom.sh /opt/
 COPY examples /opt/spark/examples
+RUN ln -s $(basename $(ls /opt/spark/examples/jars/spark-examples_*.jar)) 
/opt/spark/examples/jars/spark-examples.jar

Review Comment:
   The first argument is a link source and the second argument is the location 
of newly created symbolic link. Since we don't use directory in the symbolic 
link, this relation is maintained even during copying the whole Spark directory.



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