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https://issues.apache.org/jira/browse/NIFI-4518?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16221541#comment-16221541
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ASF GitHub Bot commented on NIFI-4518:
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Github user scottyaslan commented on the issue:
https://github.com/apache/nifi/pull/2227
Thanks @mcgilman this has been merged to master.
> Controller Service's can't be managed/viewed if a large number of processors
> reference it
> -----------------------------------------------------------------------------------------
>
> Key: NIFI-4518
> URL: https://issues.apache.org/jira/browse/NIFI-4518
> Project: Apache NiFi
> Issue Type: Bug
> Components: Core UI
> Affects Versions: 1.2.0, 1.3.0
> Reporter: Scott Reisdorf
> Assignee: Matt Gilman
> Priority: Critical
>
> The Controller service dialog that allows you to view controller service
> information, enable/disable services will never open preventing management of
> the service if you have a lot of processors referencing it.
> The error in the nifi-app.log is:
> {noformat}
> 2017-10-23 21:27:25,923 WARN [NiFi Web Server-17020]
> org.eclipse.jetty.http.HttpParser URI is too large >16384
> {noformat}
> it appears the Url used when opening the popup to view the information,
> enable/disable makes a large URL call out passing all the referencing
> component ids. This is over the allowed limit.
> Example url that is called which appears to be the culprit when opening the
> controller service information.
> http://localhost:8079/nifi-api/flow/bulletin-board?sourceId=6d759987-ce58-384b-1d8b-54b8e3790e2c%7C36365568-36bb-35ad-bc43-5eb81a4c4c0f%7Ce2aa3d0b-f5d4-36bc-1b60-a3c5c3fe8bf5%7C849225eb-87c8-3dac-1787-1b197963d01e%7C840b409c-3f8e-3fb0-d362-2d4763ebe048%7Ca49fc30c-5ed0-36f6-8214-babfece050e9%7C7f85a8a8-223a-3fe5-952b-a740768174ac%7C223135f0-b3e9-30ad-b5f2-14f9a7c85912
> ....
> Note when this happens you are then never able to manage this controller
> service and when attempting to open the controller service information it
> kills the NiFi user interface and forces the user to log back in.
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