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Subject: Re: Sudden JVM crashes - a Postgres driver problem?
Date: Thu, 13 Oct 2005 13:14:21 +0200
Message-ID: <6BCB9D8A16AC4241919521715F4D8BCE6C7AC5@algol.sollentuna.se>
Thread-Topic: [pgsql-www] Sudden JVM crashes - a Postgres driver problem?
Thread-Index: AcXP5ZeokWTgYejQQrSH1m5HtKYOlAAADeQAAAARTlAAAAr/AAAAOOtQ
From: "Magnus Hagander" <mha@sollentuna.net>
To: =?iso-8859-1?Q?Robert_S=F6semann?= <robert.soesemann@goelz.com>,
	<pgsql-www@postgresql.org>

Hello!

I think you'll want to redirect this to the JDBC list. This list is =
about discussing the postgresql website itself. See =
http://jdbc.postgresql.org/lists.html.

//Magnus

> -----Original Message-----
> From: pgsql-www-owner@postgresql.org=20
> [mailto:pgsql-www-owner@postgresql.org] On Behalf Of Robert S=F6semann
> Sent: Thursday, October 13, 2005 1:08 PM
> To: pgsql-www@postgresql.org
> Subject: [pgsql-www] Sudden JVM crashes - a Postgres driver problem?
>=20
> Hello,
>=20
>=20
> we have a really tricky problem while running our web-application:
>=20
> The JVM crashes from time to time for no apparent reason.
> There seems to be no direct relation to any user-action,=20
> method-call or whatever.
>=20
> We've checked the JVM crash dumps, but were not able to find=20
> something suspicious. The only ideas we've come up, were the=20
> usual suspects: JNI-calls and JDBC-Type2-drivers.
>=20
> This is our current setup:
> - JVM 1.4.2_09 on Linux SuSE 9.3
> - mysql-database 4.1.14-max with
> - mysql-connector-java-3.0.14-production driver
> - postgresql-database 8.0.3 with postgresql-8.0-312.jdbc3 driver
>=20
> The only JNI-calls that I know of, is through some 3rd party=20
> UUID-library from "org.doomdark.jug". Maybe the forementioned=20
> jdbc-drivers contain JNI-calls, despite being Type4-drivers.
>=20
> I've also checked a bunch of mailing-lists and it seems there=20
> are some outstanding bugs in hotspot, that may trigger the=20
> crash. Does anybody have more information or a workaround for this?
>=20
>=20
> Who can help? Thanks in advance!
>=20
> Robert
> Leiter Softwareentwicklung
> ________________________________________
>=20
> G=F6lz & Schwarz GmbH=20
> Waltherstr. 29, 80337 M=FCnchen, Germany=20
> phone: + 49 - (0)89 / 54 46 70 - 0=20
> fax: +49 - (0)89 / 54 46 70 - 10=20
> e-mail: robert.soesemann@goelz.com=20
> web: http://www.goelz.com=20
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