Hi,
I see unwanted Warning when I try to save a Parquet file in hdfs in Spark.
Please find below the code and the Warning message. Any idea as to how to
avoid the unwanted Warning message?
activeSessionsToBeSaved.saveAsNewAPIHadoopFile("test", classOf[Void],
classOf[ActiveSession],
classOf[ParquetOutputFormat[ActiveSession]], job.getConfiguration)
Nov 8, 2015 11:35:39 PM WARNING: parquet.hadoop.ParquetOutputCommitter:
could not write summary file for active_sessions_current
parquet.io.ParquetEncodingException:
maprfs:/user/testId/active_sessions_current/part-r-00142.parquet invalid:
all the files must be contained in the root active_sessions_current
at
parquet.hadoop.ParquetFileWriter.mergeFooters(ParquetFileWriter.java:422)
at
parquet.hadoop.ParquetFileWriter.writeMetadataFile(ParquetFileWriter.java:398)
at
parquet.hadoop.ParquetOutputCommitter.commitJob(ParquetOutputCommitter.java:51)
at
org.apache.spark.rdd.PairRDDFunctions$$anonfun$saveAsNewAPIHadoopDataset$1.apply$mcV$sp(PairRDDFunctions.scala:1056)
at
org.apache.spark.rdd.PairRDDFunctions$$anonfun$saveAsNewAPIHadoopDataset$1.apply(PairRDDFunctions.scala:998)
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