Wpis z mikrobloga

Kod to coś prostego:

REGISTER 'hdfs:///user/cloudera/json-simple-1.1.1.jar';
REGISTER 'hdfs:///user/cloudera/elephant-bird-hadoop-compat-4.1.jar';
REGISTER 'hdfs:///user/cloudera/elephant-bird-pig-4.1.jar';
REGISTER 'hdfs:///user/cloudera/elephant-bird-core-4.1.jar';

A = LOAD '/user/cloudera/test.json' USING com.twitter.elephantbird.pig.JsonLoader('-nestedLoad');
describe A;

Przy register próbowałem kilku sposobów:
1. Register '/user/cloudera/json-simple-1.1.1.jar'
2. Register /user/cloudera/json-simple-1.1.1.jar
3. REGISTER 'hdfs:///user/cloudera/elephant-bird-core-4.1.jar';

Nic nie działa.