Hi,

Been working through the quickstart here: 
https://hudi.apache.org/docker_demo.html

I get an NPE when running the merge on read spark job.

Here’s the spark-submit command (copied from the quickstart instructions)

https://gist.github.com/tcbakes/4a11cff217fb8a98205b4cc46cd29750


Here’s the NPE:

https://gist.github.com/tcbakes/021258638184ddcbde2b0320ec589fde


I attached my debugger to the process and discovered that the schemaProvider is 
null in on line 65 here:

https://github.com/apache/incubator-hudi/blob/3a0044216cb2f707639d48e2869f4ee6f25cfc19/hoodie-utilities/src/main/java/com/uber/hoodie/utilities/deltastreamer/SourceFormatAdapter.java#L65

The Copy On Write spark job/example works fine, but this one doesn’t.

Any pointers?

Thanks,
Tristan

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