To successfully preview data for a local complex file or run a mapping in the native environment, you must configure the INFA_PARSER_HOME environment variable for the Data Integration Service in Informatica Administrator.

Perform the following steps to configure the INFA_PARSER_HOME property:

Log in to Informatica Administrator.
Click the Data Integration Service and then click the
Processes
tab on the right pane.
Click
Edit
in the
Environment Variables
section.
Click
New
to add an environment variable.
Enter the name of the environment variable as
INFA_PARSER_HOME
.
Set the value of the environment variable to the absolute path of the Hadoop distribution directory on the machine that runs the Data Integration Service.
Recycle the Data Integration Service.