The below are the vesrions i am using. Hadoop Version: Hadoop 2.2.0 Apache Pig version 0.12.1-SNAPSHOT (rexported) Hive 0.13.1 My Issue: I am trying to run below cmd in Pig Grunt shell. grunt> a = LOAD 'batting_data' USING org.apache.hive.hcatalog.pig.HCatLoader(); Error: 2016-08-27 18:52:51,670 [main] ERROR org.apache.pig.tools.grunt.Grunt - ERROR 1070: Could not resolve org.apache.hive.hcatalog.pig.HCatLoader using imports: [, java.lang., org.apache.pig.builtin., org.apache.pig.impl.builtin.] Details at logfile: /home/edureka/pig_1472348224417.log And then i executed the below one. [edureka@localhost ~]$ pig -useHCatalog Error: [edureka@localhost ~]$ pig -useHCatalog ls: cannot access /usr/lib/hive-0.13.1-bin/lib/slf4j-api-*.jar: No such file or directory Please initialize HCAT_HOME Can any one share the root cause please. ... View more