java.lang.NoClassDefFoundError on Spark local mode using --conf spark.jars#1047
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richox merged 1 commit intoapache:masterfrom Jul 20, 2025
Merged
java.lang.NoClassDefFoundError on Spark local mode using --conf spark.jars#1047richox merged 1 commit intoapache:masterfrom
richox merged 1 commit intoapache:masterfrom
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richox
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Jul 1, 2025
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Which issue does this PR close?
Closes #1046
Rationale for this change
In Spark local mode, the jar packages submitted via
--conf spark.jarsare loaded by Spark's childfirst class loader rather than the system class loader.What changes are included in this PR?
use contextClassLoader instead of systemClassLoader
Are there any user-facing changes?
No