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https://issues.apache.org/jira/browse/NIFI-4348?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16157296#comment-16157296
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Kay-Uwe Moosheimer edited comment on NIFI-4348 at 9/7/17 5:38 PM:
------------------------------------------------------------------
java.lang.NullPointerException
at
org.apache.nifi.attribute.expression.language.StandardPropertyValue.isExpressionLanguagePresent(*StandardPropertyValue.java:204*)
Possible fix:
return (isSet() && preparedQuery.isExpressionLanguagePresent());
was (Author: moosheimer):
java.lang.NullPointerException
at
org.apache.nifi.attribute.expression.language.StandardPropertyValue.isExpressionLanguagePresent(*StandardPropertyValue.java:204*)
Prossible fix:
return (isSet() && preparedQuery.isExpressionLanguagePresent());
> 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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