[Pgpool-general] Database connection error occurred

[solaimurugan v]

i;ve successfully installed pgpool-ii, i have few issue listing below kindly
help me out.
1 ) in pgpooladmin while i'm clicking on node status its shows 
IP Address 	Port 	Status 	
127.0.0.1 	5432 	Down 	
127.0.0.1 	5434 	Down 	
but two db instance running successfully, i can able to login using psql.
also i checked using pcp_node_info command 
./pcp_node_info 0 localhost 9898 postgres postgres 0 - output is
127.0.0.1 5432 1 0.500000 (my case status is 1 is it ok?)

2) while clicking on query cache/partition rule it is showing   Error Message 
Database connection error occurred. error caode e2001 and e3001, what could i do
to solve the above issue's

thanks & reagrds,
solai