Ok, now I have a followup question... how does one recover from an exception writing an Avro? The incomplete record is being written, which is crashing the reader.
On Fri, Mar 23, 2012 at 8:01 PM, Russell Jurney <russell.jur...@gmail.com>wrote: > Thanks Scott, looking at the raw data it seems to have been a truncated > record due to UTF problems. > > Russell Jurney http://datasyndrome.com > > On Mar 23, 2012, at 7:59 PM, Scott Carey <scottca...@apache.org> wrote: > > > It appears to be reading a union index and failing in there somehow. If > it did not have any of the pig AvroStorage stuff in there I could tell you > more. > > What does avro-tools.jar 's 'tojson' tool do? (java –jar > avro-tools-1.6.3.jar tojson <file> | your_favorite_text_reader) > What version of Avro is the java stack trace below? > > > On 3/23/12 7:01 PM, "Russell Jurney" <russell.jur...@gmail.com> wrote: > > I have a problem record I've written in Avro that crashes anything which > tries to read it :( > > Can anyone make sense of these errors? > > The exception in Pig/AvroStorage is this: > > java.io.IOException: java.lang.ArrayIndexOutOfBoundsException: 64 >> at >> org.apache.pig.piggybank.storage.avro.AvroStorage.getNext(AvroStorage.java:275) >> at >> org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigRecordReader.nextKeyValue(PigRecordReader.java:187) >> at >> org.apache.hadoop.mapred.MapTask$NewTrackingRecordReader.nextKeyValue(MapTask.java:532) >> at >> org.apache.avro.io.parsing.Symbol$Alternative.getSymbol(Symbol.java:364) >> at org.apache.avro.io.ResolvingDecoder.doAction(ResolvingDecoder.java:229) >> at org.apache.avro.io.parsing.Parser.advance(Parser.java:88) >> at >> org.apache.avro.io.ResolvingDecoder.readIndex(ResolvingDecoder.java:206) >> at >> org.apache.avro.generic.GenericDatumReader.read(GenericDatumReader.java:142) >> at >> org.apache.pig.piggybank.storage.avro.PigAvroDatumReader.readRecord(PigAvroDatumReader.java:67) >> at >> org.apache.avro.generic.GenericDatumReader.read(GenericDatumReader.java:138) >> at >> org.apache.avro.generic.GenericDatumReader.read(GenericDatumReader.java:129) >> at org.apache.avro.file.DataFileStream.next(DataFileStream.java:233) >> at org.apache.avro.file.DataFileStream.next(DataFileStream.java:220) >> at >> org.apache.pig.piggybank.storage.avro.PigAvroRecordReader.getCurrentValue(PigAvroRecordReader.java:80) >> at >> org.apache.pig.piggybank.storage.avro.AvroStorage.getNext(AvroStorage.java:273) >> ... 7 more > > > When reading the record in Python: > > File "/me/Collecting-Data/src/python/cat_avro", line 21, in <module> >> for record in df_reader: >> File >> "/opt/local/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/site-packages/avro-_AVRO_VERSION_-py2.6.egg/avro/datafile.py", >> line 354, in next >> datum = self.datum_reader.read(self.datum_decoder) >> File >> "/opt/local/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/site-packages/avro-_AVRO_VERSION_-py2.6.egg/avro/io.py", >> line 445, in read >> return self.read_data(self.writers_schema, self.readers_schema, >> decoder) >> File >> "/opt/local/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/site-packages/avro-_AVRO_VERSION_-py2.6.egg/avro/io.py", >> line 490, in read_data >> return self.read_record(writers_schema, readers_schema, decoder) >> File >> "/opt/local/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/site-packages/avro-_AVRO_VERSION_-py2.6.egg/avro/io.py", >> line 690, in read_record >> field_val = self.read_data(field.type, readers_field.type, decoder) >> File >> "/opt/local/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/site-packages/avro-_AVRO_VERSION_-py2.6.egg/avro/io.py", >> line 488, in read_data >> return self.read_union(writers_schema, readers_schema, decoder) >> File >> "/opt/local/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/site-packages/avro-_AVRO_VERSION_-py2.6.egg/avro/io.py", >> line 650, in read_union >> raise SchemaResolutionException(fail_msg, writers_schema, >> readers_schema) >> avro.io.SchemaResolutionException: Can't access branch index 64 for union >> with 2 branches > > > When reading the record in Ruby: > > /Users/peyomp/.rvm/gems/ruby-1.8.7-p352/gems/avro-1.6.1/lib/avro/io.rb:298:in >> `read_data': Writer's schema and Reader's schema ["string","null"] do not >> match. (Avro::IO::SchemaMatchException) > > > -- > Russell Jurney twitter.com/rjurney russell.jur...@gmail.com datasyndrome. > com > > -- Russell Jurney twitter.com/rjurney russell.jur...@gmail.com datasyndrome.com
