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https://issues.apache.org/jira/browse/NIFI-1431?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15123976#comment-15123976
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Michael Moser commented on NIFI-1431:
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Hey [~joewitt], I don't really have a use case of my own right now, besides
simple testing like [~aaronst] was doing. Someone, someday might find it useful
to get content regularly whether it has changed on the server or not. I'm sure
in the future I will forget that GetHTTP and InvokeHTTP do GET requests
differently, then I'll have to read the source again to remember.
> GetHTTP docs should explain Etag/LastMod support
> ------------------------------------------------
>
> Key: NIFI-1431
> URL: https://issues.apache.org/jira/browse/NIFI-1431
> Project: Apache NiFi
> Issue Type: Improvement
> Components: Documentation & Website, Extensions
> Affects Versions: 0.4.1
> Environment: Ubuntu 14.04 LTS
> Reporter: Aaron Stephens
> Assignee: Joseph Witt
> Priority: Minor
> Labels: GetHTTP, processor
> Fix For: 0.5.0
>
> Attachments:
> 0001-NIFI-1431-Added-documentation-about-how-ETag-and-Las.patch, Screen Shot
> 2016-01-22 at 8.07.51 PM.png
>
>
> I've ran into a bug where GetHTTP will stop working after the processor has
> been started and stopped a couple times. What I mean by "stop working" is
> that the processor will start the tasks, but no output is ever generated, no
> errors/warnings, and no FlowFiles show up in Provenance. The weird thing is
> that it always works the first time. Sometimes it breaks after one
> start/stop, sometimes it lasts two or three cycles. But the end state is
> always the same. The only way I've been able to get around this issue is by
> deleting and re-creating the processor, or by restarting NiFi completely.
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