If you update an

intelligent structure model

that was created with an older version of

Intelligent Structure Discovery

, where all output fields were assigned a string data type, the Structure Parser transformation might change field data types during the update. If, for any of the affected fields, the downstream transformation or the target expects a string, edit the model to change the data type back to string. Then, in the Mapping Designer, click the provided link to update the model in the transformation again.

Before you run a mapping with a Hadoop Files source, verify that you configured the field mapping correctly. The source fields and the Structure Parser transformation incoming fields have the same names, so you can automatically map the fields. For configuration information, see Processing input from a Hadoop Files source.

Before you run a mapping with a flat file source, verify that the Source transformation uses a reference file that contains a list of paths to the files that you want the Structure Parser transformation to process. When you configure the Source transformation, do not select the file that you want to process. Ensure that the Source transformation has one source field. Ensure that the Structure Parser transformation accesses the source field on the

Field Mapping

tab. For configuration information, see Processing input from a flat file source.

When you use a Structure Parser transformation in a mapplet, to prevent runtime errors, be sure that the combined Mapplet transformation name doesn't exceed 80 characters. For more information, see Mapplet transformation names.