…equest

Use DfsServlet to obtain the UGI.

Changed "conf" and "servlet" to uppercase since they are static (the servlet is initialized only once).

Update the tests to ensure that the mini clusters are shutdown properly.

This update allows MiniQJMHACluster to be used in try-with-resources, ensuring that tests are cleaned-up correctly.

This update ensures that tests are cleaned-up correctly.

Create a default HDFS configuration which has test-specific data directories.  This is intended to protect against interactions between test runs that might corrupt results.  Each test run's data is automatically cleaned-up by JUnit.

The signature for close() can't throw an exception for AutoCloseable, but the definition of shutdown() didn't have to change.  Move the try-catch into close().