kalisetty manideep wrote:
[Backend reports "too many open connections"]
>
But I am 100% sure that its not the issue with the
code.
Do you know any Postgresql - JDBC driver, which is not
from Postgresql development group. I think JDBC driver
is not closing the connection even though I am closing
the connection.
I have no reason to believe that and you certainly haven't shown that.
Please refer to the DBACCESS file attached.
All this shows is the Connection being opened, not closed.
I've implemented an idea I got from rupa in #postgresql a while ago
about a way of logging leaked connections. I've added some code to the
Connection's finalize() method that prints some logging information if
the Connection was not closed. This is enabled by using the new
logUnclosedConnections URL parameter.
See the attached code for an example. I've put up a new jar that
contains this here: http://www.ejurka.com/pgsql/jars/km
import java.sql.*;
public class OpenConn {
public static void main(String args[]) throws Exception {
Class.forName("org.postgresql.Driver");
leakConnection();
System.gc();
}
private static void leakConnection() throws Exception {
Connection conn = DriverManager.getConnection("jdbc:postgresql://localhost:5810/jurka?logUnclosedConnections=true","jurka","");
}
}
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TIP 2: Don't 'kill -9' the postmaster
