Github user karthikgolagani commented on the issue:
https://github.com/apache/spark/pull/4775
@liancheng
Hi lian, if you are using sparkContext(sc), you can set
("parquet.enable.summary-metadata", "false") like below:
sc.("parquet.enable.summary-metadata", "false"). This fixed my issue
instantly .
I did it in my spark streaming application.
> WARN ParquetOutputCommitter: could not write summary file for
hdfs://localhost/user/hive/warehouse java.lang.NullPointerException
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