Karthikeyan Singaravelan created NIFI-7682:
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Summary: Nifi web api crashes on empty payload to
versions/active-requests
Key: NIFI-7682
URL: https://issues.apache.org/jira/browse/NIFI-7682
Project: Apache NiFi
Issue Type: Bug
Components: Flow Versioning
Affects Versions: 1.11.4
Reporter: Karthikeyan Singaravelan
There is a crash in the nifi web api on posting empty payload via curl to
versions/active-requests endpoint. It seems the request is not validated to be
null and causes NullPointerException.
There should be a null check to throw exception stating request should not be
empty before getting group ID at
[https://github.com/apache/nifi/blob/4d940bb151eb8d250b0319318b96d23c4a9819ae/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-web/nifi-web-api/src/main/java/org/apache/nifi/web/api/VersionsResource.java#L263]
.
I would like to contribute a patch to nifi with the fix that I have already
tested manually. I am a new contributor so any help on this will be appreciated.
*Curl request :*
{code:java}
$ curl -X POST http://localhost:8080/nifi-api/versions/active-requests
An unexpected error has occurred. Please check the logs for additional
details{code}
*Error log :*
{code:java}
2020-07-28 12:26:50,706 ERROR [NiFi Web Server-27]
o.a.nifi.web.api.config.ThrowableMapper An unexpected error has occurred:
java.lang.NullPointerException. Returning Internal Server Error response.
java.lang.NullPointerException: null
at
org.apache.nifi.web.api.VersionsResource.createVersionControlRequest(VersionsResource.java:263)
{code}
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