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https://issues.apache.org/jira/browse/NIFI-10853?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17680694#comment-17680694
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ASF subversion and git services commented on NIFI-10853:
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Commit b7f7b411efca794d91892f0b1b06a143e024a2a6 in nifi's branch
refs/heads/main from Nissim Shiman
[ https://gitbox.apache.org/repos/asf?p=nifi.git;h=b7f7b411ef ]
NIFI-10853 Allow UpdateAttribute dynamic property to validate nifi
expressions
Signed-off-by: Matthew Burgess <[email protected]>
This closes #6770
> UpdateAttribute - expression language syntax error not caught until processor
> runtime
> -------------------------------------------------------------------------------------
>
> Key: NIFI-10853
> URL: https://issues.apache.org/jira/browse/NIFI-10853
> Project: Apache NiFi
> Issue Type: Bug
> Reporter: Nissim Shiman
> Assignee: Nissim Shiman
> Priority: Major
> Time Spent: 1.5h
> Remaining Estimate: 0h
>
> The UpdateAttribute will not show any alerts when the following expression
> language value is used for a property value:
> {code:java}
> ${filename:equals('testFile'}
> {code}
> This is also true when using the 'Verify Properties' button. (A green arrow
> is returned saying "Component Validation Passed").
> The processor will start, but when a flowfile passed through on runtime,
> though, it will fail
> with error
> {code}
> org.apache.nifi.attribute.expression.language.exception.AttributeExpressionLanguageException:
> Invalid Expression: ${filename:equals('testFile'} due to Unexpected token
> '}' at line 1, column 28. Query: ${filename:equals(testFile}
> {code}
> (This is not the case with RouteOnAttribute, which will leave the processor
> in an invalid state, flagging this as an alert, until the expression is
> corrected.)
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