icegem-cache-utils/src/main/java/com/googlecode/icegem/cacheutils/Launcher.java
private static void debug(String message, Throwable t) {
	if (debugEnabled) {
	    System.err.println("0 [Launcher] " + message);

	    if (t != null) {
		t.printStackTrace(System.err);
	    }
	}
    }
private static void debug(String message, Throwable t) {
	if (debugEnabled) {
	    System.err.println("0 [Launcher] " + message);

	    if (t != null) {
		t.printStackTrace(System.err);
	    }
	}
    }
Prints debug information if debug is enabled.

@param message
- Debug message.
@param t
- Instance of Throwable.