This does in fact seem like a bug. FYI, I've created a JIRA for this and I'm working on a patch:
https://issues.apache.org/jira/browse/PIG-2195 On Mon, Jul 25, 2011 at 2:11 PM, Bill Graham <[email protected]> wrote: > Hi, > > I'm trying to run a simple AvroStorage example to read from a tsv file via > PigStorage and write to Avro, but the job fails with the following > exception: > > java.lang.ClassCastException: org.apache.pig.data.BinSedesTuple cannot be > cast to org.apache.avro.generic.IndexedRecord > at > org.apache.avro.generic.GenericData.getField(GenericData.java:470) > at > org.apache.avro.generic.GenericDatumWriter.writeRecord(GenericDatumWriter.java:102) > at > org.apache.avro.generic.GenericDatumWriter.write(GenericDatumWriter.java:65) > at > org.apache.pig.piggybank.storage.avro.PigAvroDatumWriter.write(PigAvroDatumWriter.java:99) > at > org.apache.avro.generic.GenericDatumWriter.write(GenericDatumWriter.java:57) > at > org.apache.avro.file.DataFileWriter.append(DataFileWriter.java:244) > at > org.apache.pig.piggybank.storage.avro.PigAvroRecordWriter.write(PigAvroRecordWriter.java:49) > at > org.apache.pig.piggybank.storage.avro.AvroStorage.putNext(AvroStorage.java:580) > > The sample script is taken from this wiki section: > > http://linkedin.jira.com/wiki/display/HTOOLS/AvroStorage+-+Pig+support+for+Avro+data#AvroStorage-PigsupportforAvrodata-A.Howtostoredataindifferentways > . > > I'm using the pig trunk and Avro 1.6.0. > > Has anyone encountered this or know what the issue is? It seems like this > use case isn't supported in the current version of AvroStorage, so it's > either a bug in the code or the documentation. The unit tests only include > tests to verify that avro data read via AvroStorage could then produce avro, > but there is no test to go from PigStorage to AvroStorage. > > thanks, > Bill >
