Comments in these two source files mention JIMAGE_NOT_FOUND, but JIMAGE_NOT_FOUND is not defined anywhere:

src/java.base/share/native/libjimage/jimage.cpp: * function returns JIMAGE_NOT_FOUND and the value of size is undefined.
src/java.base/share/native/libjimage/jimage.hpp: * function returns JIMAGE_NOT_FOUND and the value of size is undefined.