Thanks for the answer...worked the way I wanted it to for my immediate problem in production.
Not keen on the fact that I know have a ton of extra SQL calls--but I guess that is the price I pay right now! :) Thanks again! -Andrew -----Original Message----- From: Armin Waibel [mailto:[EMAIL PROTECTED] Sent: Friday, October 17, 2003 11:30 AM To: OJB Users List Subject: Re: Connection failed if DB restarted? Hi Andrew, you can use the 'validationQuery' attribute of connection-pool element to specify a validation query. This query will be executed each time before a connection was delivered by the pool. Any proposals to make this more sophisticated are welcome. regards, Armin On Fri, 17 Oct 2003 11:20:02 -0400, Clute, Andrew <[EMAIL PROTECTED]> wrote: > I apologized in advance for the increase in mail traffic today. I have > checked the archives for an answer to this, to no avail. > > I am seeing, as expected, if our Database has been restarted that any > db connections in the pool as becoming invalid. I understand how this > is happening -- the connection doesn't realize the socket connection > has been reset, and so it fails to persist any data. I have simulated > the situation, > and I can see the connection when it is retrieved from the pool is still > marked as active. > > I am using ConnectionFactoryPooledImpl. What seems odd to me, is it > never self-corrects. It looks to me like when the connection failed, > it is still in the pool, and I never get a valid connection. > > OJB is being used by EJB's sitting in Jboss. I am not using OJB as a > deployed EJB, but calling directly. I am also not using a DataSource > inside of Jboss, but instead the connection pool from OJB. > > It seems to me using the pooled connections, that when the database is > restarted, then I have to take down my Jboss server and restart it to > refresh the pool. Am I missing something here? Now, I could use no > pool, and then the problem never arises. Would using the DataSource > from jBoss and ConnectionFactoryManagedImpl make it better. > > What should me expectations be for db connections when the database > has > been > restarted? (Bigger issue here is our SQL Server cluster -- all the > connections become invalid when the server fails over to a different > server). > > -Andrew > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
