Mott Leroy <mott@xxxxxxxxxxx> writes: > How can I go about tracking down the source of these? I think if you turn on log_connections, you'll at least get log entries showing what machine(s) the bad connection attempts are coming from. Not sure if that'll be enough for you. > My db clients are JDBC connections from web applications. You might try asking about it on the pgsql-jdbc list; perhaps there's a known issue of this kind. regards, tom lane ---------------------------(end of broadcast)--------------------------- TIP 9: In versions below 8.0, the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match