[Hibernate] Connection Pooling / Connection Validation - best practices?

2003-08-27 Thread Dave Tilley
Howdy, I've been having trouble getting Connection Pooling working with either C3P0 or DBCP and using MySQL... the connection dies after some number of hours and the next time the webapp is used, it hangs, and an ioException is logged with a connection failure. I have been told there is some

Re: [Hibernate] Connection Pooling / Connection Validation - best practices?

2003-08-27 Thread Dave Tilley
Ok, So it seems to me that to use C3P0, you must set the following four paramaters. hibernate.c3p0.max_size =maximum connection pool size hibernate.c3p0.min_size = minimum connection pool size hibernate.c3p0.timeout = maximum idle time hibernate.c3p0.max_statements =size of statement cache

[Hibernate] DBCP Connection Pooling

2003-08-28 Thread Dave Tilley
Ok, I am trying to get DBCP connection pooling working reliably (and not dropping connections)...so far i am not having much success. After a period of several hours of non-use, Hibernate will generate the familiar ioExcpetion when the connections are timed out. With that in mind, can someone g

Re: [Hibernate] DBCP Connection Pooling

2003-08-28 Thread Dave Tilley
Connections only time out late at night or over the weekend when the web app in question is not being used. Normally, the web app is used heavily during the day until about 9pm and then no more until the next day. I want to take advantage of pooling with Hibernate when the app is being used he

Re: [Hibernate] DBCP Connection Pooling

2003-08-28 Thread Dave Tilley
DBCP -- i see now maybe that is not so true! Later on, i will get to use an appserver datasource for the web app in question, but for now, we're not using one quite yet. thanks again, -dave Mark Woon wrote: Dave Tilley wrote: I would *really* appreciate some guidance with this -- i