>But I would not be surprised if I get network issues after a certain number of connections. But I am >worried that the glassfish server can not recover from it (or the jdbc driver). Is this expected >behaviour after network errors occuring?
Connection Validation will remove the bad connections that are in the pool. I guess, your issue is, connections that are being used by the application are also reset and hence these failures. But when such a connection is returned to pool, they will be cleaned and new connections will be created.
Lets see the results of different database vendor / standalone app.
[Message sent by forum member 'jr158900' (jr158900)]
http://forums.java.net/jive/thread.jspa?messageID=227310