ORA-24398: connection pool already exists
Cause : Aocnnceitnop oo lah slaerda yebnec ertadef rot ehs epicifdep oo lahdnel.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
)1S epicyfa d fiefertnp oo lahdnelt orcaeeta n wec noentcoi noplo .)2I foy uiwhst oomidyft ehp oo laparemetsr ,acllO ICoCnnceitnooPlorCaeeti nCO_IPCOO_LERNITIAIILEZm do.e
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.