Data Not replicating

Hi,

I am using Slony-I for replicating a database.I have a master database
and two slave databases in another server on the same host. I have done
all steps mentioned in
http://www.testdriveinteractive.com/files/Tutorial_All_PP_Slony_Replicat
ion.pdf, and started the Slony-I service. But the data is not
replicating in slave database tables. The master database server shows
the following log,

LOG: unexpected EOF on client connection
ERROR: schema "_testcluster" does not exist at character 30
STATEMENT: select last_value::int4 from "_testcluster".sl_local_node_id
LOG: could not receive data from client: No connection could be made
because the target machine actively refused it.

What is the wrong ?

Thanks and Regards,
Vishnu S

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