Simple Apache-commons configuration example throws ConfigurationRuntimeException
问题 I'm trying to test a very simple example given in the Apache-commons configuration library user's guide regarding declaring and creating beans. I copied the code in the example almost word by word, and yet I'm getting a ConfigurationRuntimeException (this after overcoming a different exception, see this question). Here is the xml file I'm using - windowcongif.xml : <?xml version="1.0" encoding="ISO-8859-1" ?> <config> <gui> <windowManager config-class="test.DefaultWindowManager" closable=