Github user JPercivall commented on a diff in the pull request:
https://github.com/apache/nifi/pull/571#discussion_r72169945
--- Diff:
nifi-commons/nifi-expression-language/src/main/java/org/apache/nifi/attribute/expression/language/StandardPropertyValue.java
---
@@ -134,9 +139,14 @@ public PropertyValue
evaluateAttributeExpressions(final FlowFile flowFile, final
return this;
}
- return new
StandardPropertyValue(preparedQuery.evaluateExpressions(flowFile,
additionalAttributes, decorator), serviceLookup, null);
+ VariableRegistry sysRegistry = variableRegistry != null ?
variableRegistry : VariableRegistryUtils.createVariableRegistry();
--- End diff --
Is there any time this is designed to be null or is this just a fallback?
If it does get created here, it won't have the variables from the properties
values ingested by the FlowController.
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