Maybe you need to specify that you are connecting to localhost, and you mustn't forget about dbname. 
my $db=DBI->connect("dbi:PgPP:dbname=testdb;host=localhost", 'postgres
+','xxxxxxxxx') or die DBI->errstr;

[download]
Hope that helps.

In reply to Re: Trouble establishing a dialogue between Perl and PostgreSQL by olus
in thread Trouble establishing a dialogue between Perl and PostgreSQL by DigitalKitty

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