[NIFI-7691] Nifi web api crashes due to empty payload causing NullPointerException

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.11.4
• Fix Version/s: 1.12.0
• Component/s: Flow Versioning
• Assignee: Unassigned
• Reporter: Karthikeyan Singaravelan
• Created: 30/Jul/20 11:09
• Updated: 01/Aug/20 00:58
• Resolved: 31/Jul/20 19:31

Description

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.

 

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
 

Issue Links

• links to: GitHub Pull Request #4443