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https://issues.apache.org/jira/browse/NIFI-7691?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17167824#comment-17167824
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Karthikeyan Singaravelan commented on NIFI-7691:
------------------------------------------------
GitHub PR : https://github.com/apache/nifi/pull/4443
> Nifi web api crashes due to empty payload causing NullPointerException
> ----------------------------------------------------------------------
>
> Key: NIFI-7691
> URL: https://issues.apache.org/jira/browse/NIFI-7691
> Project: Apache NiFi
> Issue Type: Bug
> Components: Flow Versioning
> Affects Versions: 1.11.4
> Reporter: Karthikeyan Singaravelan
> Priority: Major
> Time Spent: 10m
> Remaining Estimate: 0h
>
> Following endpoints that accept POST and PUT payload don't validate the
> request object to be null and throw NullPointerException on empty payloads.
> Endpoints and source code line as below. I will add a patch to check for null
> in these endpoints.
>
> {code:java}
> curl -X POST http://localhost:8080/nifi-api/versions/process-groups/123
> - VersionsResource.java:472
> curl -X POST
> http://localhost:8080/nifi-api/versions/revert-requests/process-groups/123
> - VersionsResource.java:1072
> curl -X POST
> http://localhost:8080/nifi-api/versions/update-requests/process-groups/123
> - VersionsResource.java:1008
> curl -X PUT http://localhost:8080/nifi-api/flow/process-groups/1123
> - FlowResource.java:638
> curl -X PUT
> http://localhost:8080/nifi-api/flow/process-groups/123/controller-services
> - FlowResource.java:825
> curl -X POST
> http://localhost:8080/nifi-api/parameter-contexts/1/update-requests
> - ParameterContextResource.java:332
> curl -X POST
> http://localhost:8080/nifi-api/parameter-contexts/1/validation-requests
> - ParameterContextResource.java:622
> curl -X POST http://localhost:8080/nifi-api/process-groups/123/templates
> - ProcessGroupResource.java:3534
> {code}
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