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https://issues.apache.org/jira/browse/NIFI-4632?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16446635#comment-16446635
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ASF GitHub Bot commented on NIFI-4632:
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Github user elgalu commented on the issue:
https://github.com/apache/nifi/pull/2288
@simnotes how are you deploying to K8s? did you use
https://github.com/AlexsJones/kubernetes-nifi-cluster ?
> Site-to-Site failing with default configuration
> -----------------------------------------------
>
> Key: NIFI-4632
> URL: https://issues.apache.org/jira/browse/NIFI-4632
> Project: Apache NiFi
> Issue Type: Bug
> Components: Core Framework
> Affects Versions: 1.5.0
> Reporter: Mark Payne
> Assignee: Mark Payne
> Priority: Critical
> Fix For: 1.5.0
>
>
> With a new install, from 'master' branch I created an Input Port and then a
> Remote Process Group pointing to localhost:8080/nifi. When attempting to send
> data to my Input Port, nothing appears to happen in the UI. In the logs, I
> see the following:
> {code}
> 2017-11-22 09:30:39,918 WARN [NiFi Web Server-184]
> o.a.nifi.web.server.HostHeaderHandler Request host header
> [<hostname>.local:8080] different from web hostname [localhost(:8080)].
> Overriding to [localhost:8080/nifi-api/site-to-site/peers]
> 2017-11-22 09:30:39,918 WARN [Http Site-to-Site PeerSelector]
> o.a.n.r.util.SiteToSiteRestApiClient Failed to parse Json. The specified URL
> http://<hostname>.local:8080/nifi-api is not a proper remote NiFi endpoint
> for Site-to-Site communication.
> requestedUrl=http://<hostname>.local:8080/nifi-api/site-to-site/peers,
> response=<h1>System Error</h1>
> <h2>The request contained an invalid host header [<hostname>.local:8080] in
> the request [/nifi-api/site-to-site/peers]. Check for request manipulation or
> third-party intercept. </h2>
> {code}
> I tried updating nifi.properties to set the "nifi.web.http.host" property to
> <hostname>.local and that did resolve the issue... but then I could not
> connect to the UI using localhost:8080 but instead had to connect using
> <hostname>.local.
> This appears to not affect any released versions of NiFi.
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