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

Question

I am using PySpark(v.2.1.0) in iPython notebook (python v.3.6) over virtualenv in my Mac(Sierra 10.12.3 Beta).

1.I launched iPython notebook by shooting this in Ter

Answer 1

If you are using Anaconda, try to install java-jdk for Anaconda:

conda install -c cyclus java-jdk