Scott Reisdorf created NIFI-4518:
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Summary: 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: 1.3.0, 1.2.0
Reporter: Scott Reisdorf
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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