Re: [JDBC] BUG #2060: Issue with Data base connection
От | Dave Cramer |
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Тема | Re: [JDBC] BUG #2060: Issue with Data base connection |
Дата | |
Msg-id | D0184BF9-F72A-4AB2-8BDE-32DD25148906@fastcrypt.com обсуждение исходный текст |
Ответ на | Re: BUG #2060: Issue with Data base connection (Kris Jurka <jurka@ejurka.com>) |
Список | pgsql-bugs |
It's interesting to note that *everyone* else using the JDBC driver doesn't have this problem ? Dave On 23-Nov-05, at 2:44 PM, Kris Jurka wrote: > 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",""); > } > > } > > > ---------------------------(end of > broadcast)--------------------------- > TIP 6: explain analyze is your friend
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