PySpark in iPython notebook raises Py4JJavaError when using count() and first()

python: PySpark in iPython notebook raises Py4JJavaError when using count() and first()

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Related to: python, apache-spark, pyspark, virtualenv

[agarwalamit]

Thanks. It works with solution 1. But I often see these errors:
Py4JJavaError: An error occurred while calling Job aborted due to stage failure: Task 0 in stage 0.0 failed 1 times,
most recent failure: Lost task 0.0 in stage 0.0 (TID 0) (host.docker.internal executor driver): Python worker failed to connect back.

Py4JJavaError: An error occurred while calling o52.showString.: Job aborted due to stage failure: Task 0 in stage 0.0 failed 1 times,
most recent failure: Lost task 0.0 in stage 0.0 (TID 0) (host.docker.internal executor driver): Python worker failed to connect back.