Radu Cotescu created SLING-8431:
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Summary: On Java 11 the platform provided script engine factories
might be registered more than once
Key: SLING-8431
URL: https://issues.apache.org/jira/browse/SLING-8431
Project: Sling
Issue Type: Bug
Components: Scripting
Affects Versions: Scripting Core 2.0.52
Reporter: Radu Cotescu
Assignee: Radu Cotescu
Fix For: Scripting Core 2.0.58
When running on Java 11 and deploying bundles providing SPI Script Engine
Factories platform provided script engine factories might be registered more
than once. This is evidenced by the failure of the
{{org.apache.sling.scripting.core.impl.jsr223.SlingScriptEngineManagerTest#testBundledScriptEngineFactory}}
test.
This happens because the bundle class loader used for the service loader
through which SPI Script Engine Factories are loaded also provides the platform
provided factories. The solution would be to make sure that the generated
{{SortableScriptinEngineFactories}} are added to the internal set only if they
rely on different delegate factories.
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