Ravi Chittilla commented on SPARK-21852:


> Empty Parquet Files created as a result of spark jobs fail when read
> --------------------------------------------------------------------
>                 Key: SPARK-21852
>                 URL: https://issues.apache.org/jira/browse/SPARK-21852
>             Project: Spark
>          Issue Type: Bug
>          Components: Input/Output
>    Affects Versions: 2.2.0
>            Reporter: Shivam Dalmia
>            Priority: Major
> I have faced an issue intermittently with certain spark jobs writing parquet 
> files which apparently succeed but the written .parquet directory in HDFS is 
> an empty directory (with no _SUCCESS and _metadata parts, even). 
> Surprisingly, no errors are thrown from spark dataframe writer.
> However, when attempting to read this written file, spark throws the error:
> {{Unable to infer schema for Parquet. It must be specified manually}}

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