FWIW SunJSSE.java is in the source distribution.
dherron@dherron:~/jdk6-open$ find . -type f -name '*JSSE*' -print ./6open-b09/control/build/linux-i586/classes/sun/security/ssl/SunJSSE.class ./6open-b09/jdk/src/share/classes/sun/security/ssl/SunJSSE.java
FWIW SunJSSE.java is in the source distribution.
dherron@ dherron: ~/jdk6- open$ find . -type f -name '*JSSE*' -print b09/control/ build/linux- i586/classes/ sun/security/ ssl/SunJSSE. class b09/jdk/ src/share/ classes/ sun/security/ ssl/SunJSSE. java
./6open-
./6open-