Github user MikeThomsen commented on a diff in the pull request:
https://github.com/apache/nifi/pull/2560#discussion_r175285785
--- Diff:
nifi-nar-bundles/nifi-mongodb-bundle/nifi-mongodb-processors/src/main/java/org/apache/nifi/processors/mongodb/PutMongo.java
---
@@ -86,19 +91,27 @@
.name("Update Query Key")
.description("Key name used to build the update query criteria;
this property is valid only when using update mode, "
+ "otherwise it is ignored")
- .required(true)
- .addValidator(StandardValidators.NON_EMPTY_VALIDATOR)
+ .required(false)
+ .addValidator(Validator.VALID)
--- End diff --
Wasn't sure if that's the case.
---
