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https://issues.apache.org/jira/browse/NIFI-1686?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15215933#comment-15215933
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ASF GitHub Bot commented on NIFI-1686:
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Github user olegz commented on the pull request:
https://github.com/apache/nifi/pull/305#issuecomment-202872584
@steveyh25
I am ok with NFE. Actually if you do some research it appears to behave a
bit better then other approaches that may look better on the surface. I've
added a small comment, otherwise it looks good. The only thing I'd like to ask
is to add some tests (to validate both success and failure) conditions. Even
the test that you modified originally just add assertions that those properties
were indeed set since that is the logic that was modified.
> NiFi is unable to populate over 1/4 of AMQP properties from flow properties
> ---------------------------------------------------------------------------
>
> Key: NIFI-1686
> URL: https://issues.apache.org/jira/browse/NIFI-1686
> Project: Apache NiFi
> Issue Type: Bug
> Components: Core Framework
> Affects Versions: 0.5.1
> Reporter: Stephen Harper
>
> When creating a flow (we used ListenHTTP, but this bug will affect all) that
> forwards on to a rabbit queue, org.apache.nifi.amqp.processors.PublishAMQP
> uses the method extractAmqpPropertiesFromFlowFile to populate the AMQP
> BasicProperties if the flow attributes match a certain format (i.e
> amqp$contentType=text/xml).
> The method in question uses reflection to find a matching method name from
> the AMQP.BasicProperties class, and tries to populate accordingly.
> This works fine for all properties that take a String argument - however
> there are some that don't (specifically, headers takes a Map<String, Object>,
> deliveryMode and priority take Integer, and timestamp takes a Date), and it
> is impossible to populate these values because the invocation assumes a
> String is required, and fails on line 210.
> Whatsmore, the comment underneath (line 215) states that "this should really
> never happen since it should be caught by the above IF" - however the author
> of the code mustn't have tested all cases because this error is consistently
> present when trying to forward flow attributes in over a quarter of the
> available amqp properties.
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