[jira] [Created] (NIFI-10375) Stateless NiFi requires JDK to run on Java 9+. It shouldn't.

["Mark Payne (Jira)" <ji...@apache.org>]

Mark Payne created NIFI-10375:
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             Summary: Stateless NiFi requires JDK to run on Java 9+. It shouldn't.
                 Key: NIFI-10375
                 URL: https://issues.apache.org/jira/browse/NIFI-10375
             Project: Apache NiFi
          Issue Type: Bug
          Components: NiFi Stateless
    Affects Versions: 1.16.3, 1.16.2, 1.16.1, 1.17.0
            Reporter: Mark Payne
            Assignee: Mark Payne


If run with Java 9+, the AllowListClassLoader that is used by NiFi Stateless requires that the JDK be in use, not just a JRE. This is because it looks for presence of .jar and .jmod files in the $JAVA_HOME directory but the jmod files are only present in the JDK.

When attempting to load a class, if it's not in the Allowed List, it should check the class's module and allow through anything in the {{java.}} and {{jdk.}} modules. This allows a more compatible way of detecting that a given class is part of Java and therefore needs to be made available, versus a part of the third party application that is calling Stateless.



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