Oh, you maybe also need to load other jars? I load avro this way. REGISTER /me/pig/build/ivy/lib/Pig/avro-1.5.3.jar
REGISTER /me/pig/build/ivy/lib/Pig/json-simple-1.1.jar REGISTER /me/pig/contrib/piggybank/java/piggybank.jar 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
