UNIX and Linux Applications

I dont' what happened with my servers (test servers only) but I just noticed that suddenly I cannot up the domain anymore (Sun Java System Application Server 9.1_01).

a. server.log
org.postgresql.util.PSQLException: Connection refused. Check that the hostname and port are correct and that the postmaster is accepting TCP/IP connections. at org.postgresql.core.v3.ConnectionFactoryImpl.openConnectionImpl(ConnectionFactoryImpl.java:123)

b. domain log
Domain chdomain failed to startup. There is a conflict on port 62006 Please check the server log for more details.
CLI156 Could not start the domain chdomain.

netstat -an

127.0.0.1.65280 *.* 0 0 49152 0 LISTEN
*.62206 *.* 0 0 49152 0 LISTEN
*.62209 *.* 0 0 49152 0 LISTEN
*.4646 *.* 0 0 49152 0 LISTEN
*.62208 *.* 0 0 49152 0 LISTEN
*.62210 *.* 0 0 49152 0 LISTEN
*.62211 *.* 0 0 49152 0 LISTEN
*.62212 *.* 0 0 49152 0 LISTEN
*.62207 *.* 0 0 49152 0 LISTEN

This is a web app server and the DB server is separate which is running in postgress. Postgress is not running on the DB server currently.. ANy ideas..

Do you know how to check other process running on the same port? This is the only domain in this server though. Pls advise

If postgres process is not running in DB server, then you have to check the postgresql log, solve the issue and bring the server up.