It seems most documentation or helper libraries relating to JNI (Java Native Interface) are concerned with calling native code from Java. This seems to be the main use of it, ev
Since CORBA doesn't seem to be what you want, here are links describing how to start JVM from C/C++ and calling JAVA-methods.
http://java.sun.com/docs/books/jni/html/invoke.html and http://java.sys-con.com/node/45840
PS: When interfacing Java with C++ you should also have a look at JNA or bridj.