Aldrin Piri created NIFI-813:
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Summary: UpdateAttribute does not have a failure relationship for
handling EL failures
Key: NIFI-813
URL: https://issues.apache.org/jira/browse/NIFI-813
Project: Apache NiFi
Issue Type: Bug
Components: Core Framework, Extensions
Affects Versions: 0.2.1
Reporter: Aldrin Piri
UpdateAttribute's genesis predates expression language, and as originally
created would have made failure . As a result, when EL was introduced, there
was also a means wherein the processor could fail. Currently, there is no
failure relationship. As a result, the only way to remove files that are
failing due to an EL issues and placed back onto the queue is through an
expiration on the incoming connection. One particular instance is that of
formatting a bad date input. Template showing example to follow.
It could be the case this is a deficiency in just this particular EL function,
but should EL become an extension point, it is entirely conceivable that
failure cases become an occurrence that needs to be handled.
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