[SPARK-49845][CORE] Make appArgs
and environmentVariables
optional in REST API
#48316
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What changes were proposed in this pull request?
This PR aims to make
appArgs
andenvironmentVariables
fields optional in REST API.Why are the changes needed?
appArgs
andenvironmentVariables
became mandatory due to the Apache Mesos limitation at Spark 2.2.2. Technically, this is a revert of SPARK-22574.Since Apache Spark 4.0 removed Mesos support, we don't need these requirements.
Does this PR introduce any user-facing change?
No because this is a relaxation of enforcement.
How was this patch tested?
Pass the CIs with the revised test case.
Was this patch authored or co-authored using generative AI tooling?
No.