Re: Memory leak in 8.0 JDBC driver? - Mailing list pgsql-jdbc

From Dave Cramer
Subject Re: Memory leak in 8.0 JDBC driver?
Date
Msg-id E62D43AF-B32C-4CA8-9192-5CFC2CE6D646@fastcrypt.com
Whole thread Raw
In response to Memory leak in 8.0 JDBC driver?  ("Albe Laurenz" <all@adv.magwien.gv.at>)
List pgsql-jdbc
Please send us the program so that we can see why, or replicate the
problem.

Dave
On 11-Aug-05, at 1:07 PM, Albe Laurenz wrote:

> Before I file a bug, I'd like to ask if the problem is known or if I
> have done anything wrong.
>
> I am running a database stress test against a PostgreSQL 8.0.3
> database
> on a Linux machine.
> The test program runs on a Windows 2000 client via JDBC, it starts
> several threads, each
> of which opens a database connection and issues random statements
> against the database
> until the program is interrupted.
>
> After about 2 hours, the program always dies with an OutOfMemoryError.
>
> I have tried both JRE 1.4.2_02 and 1.5.0_04 from Sun.
> I would suspect a programming error on my side, except the same
> program
> on the same machine
> runs for days without problems if I run it against other databases
> (Derby, Firebird, MySql,
> Oracle, MaxDB).
>
> I have got the JDBC3 driver 8.0 Build 312 from
> http://jdbc.postgresql.org/download.html,
> and I have also tried downloading and building from source.
> No matter what I do, memory runs out.
>
> - Should I report this as a bug?
> - I did not want to spam the list with the source of my test program,
> but I'd happily do
>   so if you think it would help.
> - Do you have any hints as to how I could debug the problem myself?
> Can
> you recommend a
>   memory profiler?
>
> Thank you,
> Laurenz Albe
>
> ---------------------------(end of
> broadcast)---------------------------
> TIP 2: Don't 'kill -9' the postmaster
>
>


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