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https://issues.apache.org/jira/browse/NIFI-15842?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Pierre Villard resolved NIFI-15842.
-----------------------------------
Fix Version/s: 2.10.0
Resolution: Fixed
> NPE in ParameterProviderSecretsManager when SecretReference has null
> fullyQualifiedName
> ---------------------------------------------------------------------------------------
>
> Key: NIFI-15842
> URL: https://issues.apache.org/jira/browse/NIFI-15842
> Project: Apache NiFi
> Issue Type: Bug
> Components: Core Framework
> Affects Versions: 2.9.0
> Reporter: Kevin Doran
> Assignee: Kevin Doran
> Priority: Major
> Fix For: nifi-api-2.9.0, 2.10.0
>
> Time Spent: 40m
> Remaining Estimate: 0h
>
> When a connector's configuration contains a SECRET_REFERENCE property with
> providerName populated but fullyQualifiedSecretName set to null (representing
> a secret-type property that has not been configured yet), the NiFi framework
> throws a NullPointerException during connector installation:
>
> {code}
> Error fetching parameters for ParameterProvider[id=...]: Cannot invoke
> "String.startsWith(String)" because "fqn" is null
> {code}
>
> *Root cause:*
>
> {\{ParameterProviderSecretsManager}} collects \{{fullyQualifiedName}} from
> all \{{SecretReference}} objects into a list and passes it to
> \{{ParameterProvider.fetchParameters()}}. When a reference has a null FQN
> (valid state — the secret property is defined but not yet configured), the
> null is added to the list. The default \{{fetchParameters(context, list)}}
> implementation in \{{ParameterProvider}} iterates the list and calls
> \{{startsWith()}} on each entry, which throws NPE on the null.
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