In my experience, AvroStorage only really works reliably in Pig 0.10. I believe CDH will have Pig 0.10 in v4.1. I suggest you upgrade to v0.10 manually now, and if your data still won't load, please file a JIRA.
Russell Jurney http://datasyndrome.com On Jun 15, 2012, at 1:50 AM, Markus Resch <[email protected]> wrote: > Hey all, > > we're currently testing to switch over from CDH3 to CDH4. > When I try to read my Avro input data I get en Schema unknown Error: > > bash-3.2$ pig > 12/06/15 08:48:08 WARN pig.Main: Cannot write to log > file: /usr/lib/pig/pig_1339750088923.log > 2012-06-15 08:48:09,415 [main] INFO > org.apache.pig.backend.hadoop.executionengine.HExecutionEngine - > Connecting to hadoop file system at: file:/// > 2012-06-15 08:48:09,421 [main] WARN > org.apache.hadoop.conf.Configuration - fs.default.name is deprecated. > Instead, use fs.defaultFS > 2012-06-15 08:48:09,747 [main] WARN > org.apache.hadoop.conf.Configuration - fs.default.name is deprecated. > Instead, use fs.defaultFS > grunt> REGISTER /usr/lib/pig/contrib/piggybank/java/piggybank.jar; > grunt> dataImport = LOAD '/our/path/to/our/data/data.avro' USING > org.apache.pig.piggybank.storage.avro.AvroStorage (); > grunt> describe > dataImport; > Schema for dataImport unknown. > > Is this somehow a known issue or do I make something wrong? > > Thanks > Markus > > >
