Too many acronyms. :-) JNDI was the "Java Naming and Directory Interface", part of the suite of CORBA-like Java-only distributed object tooling. My guess is t

Too many acronyms. :-) JNDI was the "Java Naming and Directory Interface", part of the suite of CORBA-like Java-only distributed object tooling. My guess is that the "lookups" feature in log4j assumed that all URL protocols were "http:" or "https:" and didn't account for either the full set of built-in protocol handlers or the fact that an application can register additional protocol handlers.