Chris Albright created PARQUET-124:
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Summary: parquet.hadoop.ParquetOutputCommitter.commitJob() throws
parquet.io.ParquetEncodingException
Key: PARQUET-124
URL: https://issues.apache.org/jira/browse/PARQUET-124
Project: Parquet
Issue Type: Bug
Components: parquet-mr
Affects Versions: parquet-mr_1.6.0, 1.6.0rc2
Reporter: Chris Albright
Priority: Minor
I'm running an example combining Avro, Spark and Parquet
(https://github.com/massie/spark-parquet-example), and in the process of
updating the library versions, am getting the warning below.
The version of Parquet-Hadoop in the original example is 1.0.0. I am using
1.6.0rc3
The ParquetFileWriter.mergeFooters(Path, List<Footer>) method is performing a
check to ensure the footers are all for files in the output directory. The
output directory is supplied by ParquetFileWriter.writeMetadataFile; in 1.0.0,
the output path was converted to a fully qualified output path before the call
to mergeFooters, but in 1.6.0rc[2,3] that conversion happens after the call to
mergeFooters. Because of this, the check within merge footers is failing (the
URI for the footers starts with file:, but not the URI for the root path does
not)
Here is the warning message and stacktrace.
Oct 30, 2014 9:11:31 PM WARNING: parquet.hadoop.ParquetOutputCommitter: could
not write summary file for /tmp/1414728690018-0/output
parquet.io.ParquetEncodingException:
file:/tmp/1414728690018-0/output/part-r-00000.parquet invalid: all the files
must be contained in the root /tmp/1414728690018-0/output
at
parquet.hadoop.ParquetFileWriter.mergeFooters(ParquetFileWriter.java:422)
at
parquet.hadoop.ParquetFileWriter.writeMetadataFile(ParquetFileWriter.java:398)
at
parquet.hadoop.ParquetOutputCommitter.commitJob(ParquetOutputCommitter.java:50)
at
org.apache.spark.rdd.PairRDDFunctions.saveAsNewAPIHadoopDataset(PairRDDFunctions.scala:936)
at
org.apache.spark.rdd.PairRDDFunctions.saveAsNewAPIHadoopFile(PairRDDFunctions.scala:832)
at
com.zenfractal.SparkParquetExample$.main(SparkParquetExample.scala:72)
at com.zenfractal.SparkParquetExample.main(SparkParquetExample.scala)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at com.intellij.rt.execution.application.AppMain.main(AppMain.java:134)
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