Peter Turcsanyi created NIFI-9861:
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Summary: Stateless ClassLoader isolation does not work in Java 11
Key: NIFI-9861
URL: https://issues.apache.org/jira/browse/NIFI-9861
Project: Apache NiFi
Issue Type: Bug
Reporter: Peter Turcsanyi
Stateless ClassLoader isolation implementation (NIFI-9576) expects that the
system class loader is an {{URLClassLoader}} instance but it is not true for
Java 11. Due to this, {{BlockListClassLoader}} gets initialized with an empty
set of classes and it cannot block anything (there is no isolation, otherwise
it works on Java 11 as before NIFI-9576)
[https://github.com/apache/nifi/blob/7fde2bbfd1afdd6037765340eca9fc675542323e/nifi-stateless/nifi-stateless-bootstrap/src/main/java/org/apache/nifi/stateless/bootstrap/StatelessBootstrap.java#L150-L153]
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