Simon Bence created NIFI-8434:
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Summary: Add the possibility to use new class loader when a
controller service is enabled
Key: NIFI-8434
URL: https://issues.apache.org/jira/browse/NIFI-8434
Project: Apache NiFi
Issue Type: Improvement
Components: Core Framework
Reporter: Simon Bence
Assignee: Simon Bence
Currently NiFi supports both instance level class loading (with
RequiresInstanceClassLoading annotation) and dynamically modified class path
(with PropertyDescriptor.dynamicallyModifiesClassPath for controller services.
The PropertyDescriptor.dynamicallyModifiesClassPath, when the property changes,
makes the framework to create a new ClassLoader, making a separate "sandbox"
for the new run (enable) of the service.
In certain cases, this might not be enough and "reloading" of the ClassLoader
would be preferred during every enabling of the controller service.
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