1. Select a mapping from a project or folder from the Object Explorer view to open in the editor.
2. In the Properties view, select the Run-time tab.
3. Select Hadoop as the value for the validation environment.
By default, the Blaze and Spark engines are selected. Disable the engines that you do not want to use.
4. Select Hadoop for the execution environment.
5. In the Hadoop environment, select Connection and use the drop down in the value field to browse for a connection or create a connection parameter:
- - To select a connection, click Browse and select a connection.
- - To create a connection parameter, click Assign Parameter.
6. Configure the rest of the properties for the Hadoop execution environment.
7. Right-click an empty area in the editor and click Validate.
The Developer tool validates the mapping.
8. View validation errors on the Validation Log tab.
9. Click the Data Viewer view.
10. Click Show Execution Plan to view the execution plan for the mapping.