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https://issues.apache.org/jira/browse/NIFI-543?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16415637#comment-16415637
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ASF GitHub Bot commented on NIFI-543:
-------------------------------------

Github user markap14 commented on a diff in the pull request:

    https://github.com/apache/nifi/pull/2509#discussion_r177426377
  
    --- Diff: 
nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-web/nifi-web-api/src/main/java/org/apache/nifi/web/dao/impl/StandardProcessorDAO.java
 ---
    @@ -382,6 +382,7 @@ private void verifyUpdate(ProcessorNode processor, 
ProcessorDTO processorDTO) {
                         configDTO.getSchedulingPeriod(),
                         configDTO.getSchedulingStrategy(),
                         configDTO.getExecutionNode(),
    +                    configDTO.isExecutionNodeRestricted(),
    --- End diff --
    
    This should not be checked, as it's not a configuration element that the 
user is able to configure.


> Provide extensions a way to indicate that they can run only on primary node, 
> if clustered
> -----------------------------------------------------------------------------------------
>
>                 Key: NIFI-543
>                 URL: https://issues.apache.org/jira/browse/NIFI-543
>             Project: Apache NiFi
>          Issue Type: Sub-task
>          Components: Core Framework, Documentation & Website, Extensions
>            Reporter: Mark Payne
>            Assignee: Sivaprasanna Sethuraman
>            Priority: Major
>
> There are Processors that are known to be problematic if run from multiple 
> nodes simultaneously. These processors should be able to use a 
> @PrimaryNodeOnly annotation (or something similar) to indicate that they can 
> be scheduled to run only on primary node if run in a cluster.



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