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Posted to issues@nifi.apache.org by "Kay-Uwe Moosheimer (JIRA)" <ji...@apache.org> on 2017/09/03 18:13:00 UTC

[jira] [Created] (NIFI-4348) isExpressionLanguagePresent throws NPE when attribute is null

Kay-Uwe Moosheimer created NIFI-4348:
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             Summary: isExpressionLanguagePresent throws NPE when attribute is null
                 Key: NIFI-4348
                 URL: https://issues.apache.org/jira/browse/NIFI-4348
             Project: Apache NiFi
          Issue Type: Improvement
          Components: Core Framework
    Affects Versions: 1.3.0
            Reporter: Kay-Uwe Moosheimer
            Priority: Trivial


The following code throws a NPE:

    PropertyValue property = context.getProperty(SOME_PROPERTY);
    if (property.isExpressionLanguagePresent()) {

when the property is not set (NULL).
So I have to write

    PropertyValue property = context.getProperty(SOME_PROPERTY);
    if (property.isSet() && property.isExpressionLanguagePresent()) {    

It would be great if the method isExpressionLanguagePresent() checks for NULL and then return false.




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