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https://issues.apache.org/jira/browse/NIFI-5567?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16602372#comment-16602372
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Christof Dilcher commented on NIFI-5567:
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Hi [~alopresto],
hi [~mattyb149],
could you please have a quick look at this?
I am pretty sure I am doing everything right as it seems to be working with the
InvokeHTTP processor.
Just with the GetFile processor (which is obligatory for me to use in this
case) it has this weird behavior described above.
Thanks!
Christof
> EvaluateXPath processor produces empty string sets for valid XPaths
> -------------------------------------------------------------------
>
> Key: NIFI-5567
> URL: https://issues.apache.org/jira/browse/NIFI-5567
> Project: Apache NiFi
> Issue Type: Bug
> Reporter: Christof Dilcher
> Priority: Major
> Attachments: EvaluateXPath_ExampleXML_empty_string_set.xml,
> EvaluateXPath_FlowFile_Attributes_empty_string_set.png,
> EvaluateXPath_ProcessorConfiguration_empty_string_set.png,
> EvaluateXPath_Template.png, EvaluateXPath_Template_empty_string_set.xml
>
>
> I have found that valid XPath expressions apparently produce empty strings in
> EvaluateXPath processor which can be observed in the attached screenshots. I
> am using nifi 1.7.1 and jdk1.8.0_181.jdk. Any help would be appreciated!
> The source of the XML files is a GetFile Processor or a GenrateFlowFile
> Processor.
> I have also tested it with an InvokeHTTP processor where it works fine.
> However this does not solve it for me as I am dealing with physical XML files
> here. However this little detail might be interesting for the error finding
> process.
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