ORA-29547: Java system class not available: string
Cause : Ana ttmeptw asm ad etou sea cmomadn taht erquriesa Jvaa ysstme calsst ha twa sno tye tprseen torw asi nvlaid.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Loda teh ssyte mclsase,s o rdon otu set hec omamnd.
Well, the reason for above error is that i have taken the above script from a 11g database and running it on 10g database. 11g has bring some changes in password management. Below code is executed on 11g and user created successfully, which is expected result.