[NIFI-9054] Calling Nifi Registry's createExtensionBundleVersion REST endpoint will cause NullPointerException

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.14.0
• Fix Version/s: 1.15.0
• Component/s: NiFi Registry
• Assignee: Kalmár Róbert
• Reporter: Kalmár Róbert
• Created: 17/Aug/21 10:39
• Updated: 19/Aug/21 13:58
• Resolved: 19/Aug/21 13:58

Description

When uploading a nar file via this API that has an empy restricted element in it's extension-manifest.xml the request will fail because of a NullPointerException 

2021-08-16 11:34:18,736 ERROR org.apache.nifi.registry.web.mapper.ThrowableMapper: An unexpected error has occurred: java.lang.NullPointerException. Returning Internal Server Error response.2021-08-16 11:34:18,736 ERROR org.apache.nifi.registry.web.mapper.ThrowableMapper: An unexpected error has occurred: java.lang.NullPointerException. Returning Internal Server Error response.java.lang.NullPointerException: null at org.apache.nifi.registry.service.extension.StandardExtensionService.getExtensionEntities(StandardExtensionService.java:336) at org.apache.nifi.registry.service.extension.StandardExtensionService.createBundleVersion(StandardExtensionService.java:260) at org.apache.nifi.registry.web.service.StandardServiceFacade.createBundleVersion(StandardServiceFacade.java:482) at org.apache.nifi.registry.web.service.StandardServiceFacade$$FastClassBySpringCGLIB$$8b3bf0a8.invoke(<generated>)

It looks like Jackson has changed it's behavior regarding empty xml elements in version 1.12.0

https://github.com/FasterXML/jackson/wiki/Jackson-Release-2.12

 

Issue Links

• links to: GitHub Pull Request #5309