Github user kotarot commented on a diff in the pull request: https://github.com/apache/nifi/pull/3122#discussion_r230650492 --- Diff: nifi-nar-bundles/nifi-standard-bundle/nifi-standard-processors/src/test/java/org/apache/nifi/processors/standard/TestLogMessage.java --- @@ -57,7 +57,7 @@ MockComponentLog getMockComponentLog() { public void before() throws InitializationException { testableLogMessage = new TestableLogMessage(); runner = TestRunners.newTestRunner(testableLogMessage); - + runner.setValidateExpressionUsage(false); --- End diff -- @pvillard31 @ijokarumawak Thank you for your reviews. At first, the purpose of my PR was, to enable to pick up a Log Level from the pull-down list (as we can do it on the LogAttribute processor), so that I would like to make it easier for users (including NiFi beginners) to use this processor. As @ijokarumawak has suggested, should I fix it to be EL acceptable for flexible logging usages?
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