Stan Rosenberg created CRUNCH-597:
-------------------------------------
Summary: Unable to process parquet files using Hadoop
Key: CRUNCH-597
URL: https://issues.apache.org/jira/browse/CRUNCH-597
Project: Crunch
Issue Type: Bug
Components: Core, IO
Affects Versions: 0.13.0
Reporter: Stan Rosenberg
Assignee: Josh Wills
Current version of parquet-hadoop results in the following stack trace while
attempting to read from parquet file,
{code}
java.lang.Exception: java.lang.ClassCastException:
org.apache.hadoop.mapreduce.lib.input.FileSplit cannot be cast to
parquet.hadoop.ParquetInputSplit
at
org.apache.hadoop.mapred.LocalJobRunner$Job.run(LocalJobRunner.java:406)
Caused by: java.lang.ClassCastException:
org.apache.hadoop.mapreduce.lib.input.FileSplit cannot be cast to
parquet.hadoop.ParquetInputSplit
at
parquet.hadoop.ParquetRecordReader.initialize(ParquetRecordReader.java:107)
at
org.apache.crunch.impl.mr.run.CrunchRecordReader.initialize(CrunchRecordReader.java:140)
at
org.apache.hadoop.mapred.MapTask$NewTrackingRecordReader.initialize(MapTask.java:478)
at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:671)
at org.apache.hadoop.mapred.MapTask.run(MapTask.java:330)
at
org.apache.hadoop.mapred.LocalJobRunner$Job$MapTaskRunnable.run(LocalJobRunner.java:268)
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at java.util.concurrent.FutureTask.run(FutureTask.java:262)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)
{code}
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