upgrade help

i'm trying to upgrade portal 6.3 to portal 7 using http://docs.sun.com/app/docs/doc/819-3027/6n59bv1o3?a=view as a guide.

and get the below error message. ideas on where to being troubleshooting?

root@blahblah # ./psupgrade

Gathering system details...

Checking for installed components...

....................................

Detected Portal Installation.

Loading current installation properties file....

Please enter the Web Container Admin password :

Exception in thread "main" java.lang.NullPointerException

at com.sun.portal.fabric.upgrade.PSUpgrade.init(PSUpgrade.java:1155)

at com.sun.portal.fabric.upgrade.PSUpgrade.main(PSUpgrade.java:222)

[721 byte] By [krupsa] at [2007-11-26 19:12:12]
# 1

Can you provide me the following information....

1. Are you using Web Server or Application Server(AS)?.

2. Do you upgraded the Access Manager?.

3. If it is Application Server, do you upgraded?

Send me the upgrade log file which are present at /var/sadm/install/logs/

Thanks

sreenigaddama at 2007-7-9 21:10:29 > top of Java-index,Web & Directory Servers,Portal Servers...
# 2
actually - i think we tracked it down. the psupgrade script only works for 6.3. we have 6.2 installed.thanks folks!
krupsa at 2007-7-9 21:10:29 > top of Java-index,Web & Directory Servers,Portal Servers...