"Cannot store property '" + getPath() + "' because storage location is not set"); return prevValue; tracer.warning( "Unable to initialize persistent property storage for '" + getPath() + "'"); tracer.throwing("PersistentPropertyStorage", "<init>", e); return prevValue; } catch (IOException e) { tracer.warning( "Unable to persist property '" + getPath() + "'"); tracer.throwing("PersistentPropertyStorage", "set(String)", e);