Where to find Keystore location in R12.2

Java code sign certificate located in 

/apps2/product/devr12/fs_ne/EBSapps/appl/ad/admin/adkeystore.dat


How to find  the password for the keystore.


set serveroutput on
declare
spass varchar2(30);
kpass varchar2(30);
begin
ad_jar.get_jripasswords(spass, kpass);
dbms_output.put_line(spass);
dbms_output.put_line(kpass);

end;