Block more resource loading to parent #152
Merged
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TL;DR
Block service resource loading to parent.
Type
Are all requirements met?
Complete description
ServiceLoader
tries to find resources to understand what classes to load, and for the following scenario, it will fail with a mysteries error message.com.example.Foo
exists both in parent and child classpath, in two different jarscom.example.FooImpl
only exists in parent classpathServiceLoader
to discover implementation ofcom.example.Foo
, usingChildFirstClassLoader
ServiceLoader
usesChildFirstClassLoader
to find resources from both child and parent classpath, and in this casecom.example.FooImpl
is discoveredServiceLoader
verifies whethercom.example.FooImpl
(loaded by parent class loader, and its super classcom.example.Foo
is also loaded by parent class loader; remember there are two copies ofcom.example.Foo
?) can be assigned tocom.example.Foo
(loaded by child class loader)com.example.Foo
loaded by different class loaders, with an error message like "java.util.ServiceConfigurationError: com.example.Foo: com.example.FooImpl not a subtype"Tracking Issue
Closes flyteorg/flyte#3103
Follow-up issue
NA