Looks like you have corrupted avro files / NOT avro files inside catalog. Or your files have different schema.
Try to read about AvroStorage and run it using debug key (see doc https://cwiki.apache.org/confluence/display/PIG/AvroStorage). It sohuld help you to get the idea where things go wrong. lobal Parameters - debug n Users can check debug information using this option where *n* represents the debug level: 1. Show names of some function calls when *n>=3*; 2. Show details when *n>=5*. - 2013/10/1 Yang <teddyyyy...@gmail.com> > I had this code: > > a = load 'myfile.avro' USING AvrotStorage(); > .... > > it works fine. > > but after I change 'myfile' to 'mydirectory/path/' or 'mydirectory/path/*', > it loads nothing, and gave an error :"Schema for a unknown." > > I guess the AvroStorage() does not provide the ability to load multiple > files? ----- I remember the default PigStorage does allow file globs to be > loaded > > thanks! > yang >
