DefaultByteBufferPool memory leak when maximumPoolSize is set

DefaultByteBufferPool decrements the currentQueueLength value when retrieving a ByteBuffer from the threadlocal queue, not when values are polled from the shared queue.

In my debugger I have maxPoolSize=10, and after a few minutes of running a server(POST operations) my currentQueueLength is -15722 and my queue has 33 elements, despite a maximum configured value of 10.