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Talend Open Studio Cookbook by Rick Barton

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Enabling and disabling reject flows

Rejected data is closely coupled to schemas (Chapter 2, Metadata and Schemas), as many of the input and output components will validate data according to a schema definition and then pass any incorrect data to a reject flow.

Reject flows thus allow non-conforming data to be collected and handled as per the needs of a project.

In some cases, depending upon the business requirement, rejects are not acceptable. In these cases, reject flows should be disabled and the job allowed to fail.

Tip

Whether a job dies on the first incorrect record, collects rejects in a file, or completely ignores rejects is a design decision that should be based upon the requirements for the process. Where possible, designers and developers ...

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