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Pig Forum

pig -useHCatalog

  • #45308


    I am getting the following error when I run “pig -useHCatalog”.

    Exception in thread “main” java.lang.NoClassDefFoundError: /usr/lib/hive/lib/libthrift-0/9/1/jar:/usr/lib/hive/lib/hive-exec-0/12/0/2/0/6/0-76/jar:/usr/lib/hive/lib/libfb303-0/9/0/jar:/usr/lib/hive/lib/jdo-api-3/0/1/jar:/usr/lib/hive/lib/slf4j-api-1/7/2/jar
    Caused by: java.lang.ClassNotFoundException: .usr.lib.hive.lib.libthrift-0.9.1.jar:.usr.lib.hive.lib.hive-exec-
    at Method)
    at java.lang.ClassLoader.loadClass(
    at sun.misc.Launcher$AppClassLoader.loadClass(
    at java.lang.ClassLoader.loadClass(
    Could not find the main class: /usr/lib/hive/lib/libthrift-0.9.1.jar:/usr/lib/hive/lib/hive-exec- Program will exit

    I have defined all the environement variables (including PIG_CLASSPATH) as below and also defined pig.additiona.jars in the files

    export HADOOP_GROUP=hadoop ;
    export HADOOP_HOME=/usr/lib/hadoop
    export HCAT_HOME=/usr/lib/hcatalog
    export HIVE_HOME=/usr/lib/hive
    export templeton_host=$TEMPLETON_HOST
    export user_name=hcat
    export PIG_CLASSPATH=$HCAT_HOME/share/hcatalog/hcatalog-*.jar:\

    export PIG_OPTS=-Dhive.metastore.uris=thrift://$HIVE_HOST:$HIVE_PORT

    In file,


    Please let me know how this could be resolved. Thanks!

  • Author
  • #45318

    Hi Arun,

    Most likely the issue with some of the Jars. Have you installed HCatalog? From command line please run:
    $ hcat

    Try to revert back all of the environment variables and only add the following:
    In add:

    In add: ( JAVA_HOME should be set there)

    Hope this helps.



    Hi Rahman,

    Thanks for your reply. I tried this, but it did not work.

    The HDP version I was trying was HDP 2.0.2. I had another HDP installation HDP 2.0.6 and the command pig -useHCatalog worked fine there. I noticed that one of the jars /usr/lib/hive/lib/libthrift-0.9.1.jar in HDP 2.0.2 was a older version in HDP 2.0.6 (/usr/lib/hive/lib/libthrift-0.9.0.jar). So I copied all the jars from the /hive/lib library in 2.0.6 to 2.0.2 and the command worked fine.

    So I believe this is a jar issue in 2.0.2. Can you have a look or confirm?


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