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https://issues.apache.org/jira/browse/NIFI-5145?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16479984#comment-16479984
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ASF subversion and git services commented on NIFI-5145:
-------------------------------------------------------

Commit 29e96ed0e0b63bc2f5b0f07751fe7efbc10f18ab in nifi's branch 
refs/heads/master from [~ca9mbu]
[ https://git-wip-us.apache.org/repos/asf?p=nifi.git;h=29e96ed ]

NIFI-5145: Fixed MockPropertyValue to call the correct 
evaluateAttributeExpressions when FF is null

Signed-off-by: Matthew Burgess <mattyb...@apache.org>

This closes #2717


> MockPropertyValue.evaluateExpressionLanguage(FlowFile) cannot handle null 
> inputs
> --------------------------------------------------------------------------------
>
>                 Key: NIFI-5145
>                 URL: https://issues.apache.org/jira/browse/NIFI-5145
>             Project: Apache NiFi
>          Issue Type: Bug
>            Reporter: Mike Thomsen
>            Assignee: Mike Thomsen
>            Priority: Major
>             Fix For: 1.7.0
>
>
> The method mentioned in the title line cannot handle null inputs, even though 
> the main NiFi execution classes can handle that scenario. This forces hack to 
> pass testing with nulls that looks like this:
> String val = flowFile != null ? 
> context.getProperty(PROP).evaluateExpressionLanguage(flowfile).getValue() : 
> context.getProperty(PROP).evaluateExpressionLanguage(new 
> HashMap()).getValue();



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