Hi Robert,

I had this exact problem myself.  See the following section (or a slightly more up-to-date version for v0.9.1.2) for details on how to fix it:

http://www.mchange.com/projects/c3p0/index.html#other_ds_configuration

--Matt

On Mon, Oct 19, 2009 at 11:11 PM, Robert Nicholson <robert.nicholson@gmail.com> wrote:
At work we have multi threaded applications that are talking to a servlet which provides a means to write to the database. It seems that occasionally we're seeing this service block indefinately and we suspect that it's related to it's use of the c3p0 connection pool. We'll know for sure when we see the problem again as we will kill -QUIT to get a stack dump.

So, is there any history of 0.9.1.2 blocking indefinately when checking out a connection from it's connection pool? 

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