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https://issues.apache.org/jira/browse/NIFI-7264?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17060947#comment-17060947
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Shawn Weeks commented on NIFI-7264:
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>From the documentation it sounds like returning empty string was intended.
>What are some examples for jsonPathWithDefault that can't already be handled
>by checking if the jsonPath isEmpty and then going for there?
{code:java}
An empty string is generated if the Subject does not contain valid JSON, the
jsonPath is invalid, or the path does not exist in the Subject.
{code}
> Make jsonPath Expression Logging More Reasonable
> ------------------------------------------------
>
> Key: NIFI-7264
> URL: https://issues.apache.org/jira/browse/NIFI-7264
> Project: Apache NiFi
> Issue Type: Improvement
> Reporter: Shawn Weeks
> Assignee: Otto Fowler
> Priority: Trivial
>
> Currently JsonPathEvaluator logs on all errors despite some errors like the
> PathNotFoundException that might only need to be logged at the debug level.
> Since these kind of errors aren't returned to the UI we're just filling up
> the logs.
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