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Ethan Atkins
be489e05ca
Sometimes turbo mode didn't work correctly for projects where resources
were modified. This was because it was possible for the resource
classloader to inadvertently evict the dependency classloader from the
classloader cache because they had the same file stamps. There were two
fixes:
1) remove expired entries from the cache based on the
(Parent, Classpath) pair rather than just classpath
2) do not close the classloaders during cache eviction. They may still
be in use when we evict them so we need to wait until they are
explicitly closed elsewhere or until the go out of scope and are
collected by the CleanupThread
I tested this change with a spark project in which I kept modifying the
resources. Prior to this change, I could get into a state where if I
modified the resources, the dependency layer would get evicted every
time so the benefits of turbo mode were not realized.
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