Clearing MRR Cache
The MRR file is locked as long as its handle is open in the cache, therefore preventing any update, delete, or replace operations on the file. To release the MRR native handle, an option is available on the JMX Console to manually close all open handles:
You will get a message on the status of the invocation.
Note: A forced closure can throw an exception when the handle is being used in parallel for the
purpose of rendering. Such exceptions are ignored but logged.