Joseph Witt created NIFI-1346:
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Summary: Content viewer using old attributes
Key: NIFI-1346
URL: https://issues.apache.org/jira/browse/NIFI-1346
Project: Apache NiFi
Issue Type: Bug
Components: Core Framework, Core UI
Affects Versions: 0.4.1
Environment: template attached
Reporter: Joseph Witt
Assignee: Matt Gilman
Fix For: 0.5.0
Attachments: content_viewer_looks_at_old_attributes (1).xml
The attached template allows you to quickly reproduce and observe the problem.
The flow generates a flow file, replaces the text with a simple two line CSV,
updates an attribute to add the mime.type of 'text/csv'. For the flow on the
left if you view provenance events of the 3rd processor (update attribute) you
will be able to view the content apparently by its auto detected type which is
considered 'text/plain'. If however you use the flow on the right and view the
content of provenance events for the fourth processor you'll see it is now
using the supplied mime.type.
What I suspect is happening is that the content viewer is being given access to
the attributes of that flow file as they were before they were changed. It
should be giving it access to the attributes after the change (at least in
these cases, i can see when there is a before claim and an after claim that it
would work differently)
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