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PySparkRuntimeError: [CONTEXT_ONLY_VALID_ON_DRIVER] It appears that you are attempting to reference

pinaki1
New Contributor III

Getting The above error for this line
result_df.rdd.foreachPartition(self.process_partition)

1 REPLY 1

Pradeep54
Databricks Employee
Databricks Employee

The error message "CONTEXT_ONLY_VALID_ON_DRIVER" indicates that you are attempting to reference SparkContext from a broadcast variable, action, or transformation. SparkContext can only be used on the driver, not in code that runs on workers. This is a common issue in PySpark where certain operations are mistakenly attempted on worker nodes instead of the driver node

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