jruby/warbler — pull request #162 by sgonyea (2013-05-03 23:25:01+00:00)
Title: Close the URLClassLoader before deleting tempJARs

- This only matters on Windows. It seems to lock the extracted JAR files and Java can't delete those files until the Java process ceases its execution.
- Calling URLClassLoader.close() only works on Java 7+, so reflection is used.