Re: [c3p0-users] Deadlock between multiple c3p0 helper threads

[Thilo-Alexander G. <th...@gi...>]

On Wed, Jun 20, 2012 at 6:34 PM, Thilo-Alexander Ginkel
<th...@gi...> wrote:
> I am currently running c3p0 (version 0.9.2-pre2-RELEASE) with
> Hibernate 4 and mysql-connector-java 5.1.20 and the following c3p0
> settings (on top of the defaults):
> [...]
>
> Apparently this causes three helper threads to be spawned on my
> machine. Unfortunately, this seems to introduce a deadlock in c3p0's
> housekeeping (note the cyclic reference in the monitor acquisition for
> the objects 0x00007f3af06f6bb0 and 0x00007f3af0bb6f68):

Ah, just spotted
http://sourceforge.net/tracker/index.php?func=detail&aid=3530236&group_id=25357&atid=383690.
I'll update to -pre4 and will report back should I encounter the issue
again.

Regards,
Thilo