I am following GW8 installation manual, and finished installing GW8.

when I ran following command I got error messages

cd /opt/novell/groupwise/agents/bin

./gwpoa --show --home /opt/novell/groupwise/gw8podir/ &
./gwpoa --show @khi_sasi_town.poa &

11:15:21 608 Checking guardian database
11:15:21 376 Error Listen Port is already in use. [0000]
11:15:21 376 Error verifying that the port is usable. [8555]
11:15:21 376 Shutdown of Threads
11:15:21 376 Error Starting TCP/IP Agent: [8555]
11:15:21 608 Guardian database: OK

whats wrong ?

'gwpoa_logs.zip' is a tarball attached

Regards
needee