Error Handling Elements in Apache Beam Pipelines

A basic try/catch around a string conversion.
Example constructor of a Failure object.
Parsing some fields out of auditd log strings. In this example, we use an inappropriately small number type. If the number is too large for an Integer, the transform outputs a Failure object, and continues processing elements.
Accessing the PCollections stored in a PCollectionTuple.

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